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Release 3b. See "doc/SoftFloat-history.html".

This commit is contained in:
John Hauser 2016-07-22 18:03:04 -07:00
parent 45fdcf1c65
commit cb5087cd74
416 changed files with 7535 additions and 1670 deletions
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10
COPYING.txt
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@ -1,14 +1,14 @@
License for Berkeley SoftFloat Release 3a
License for Berkeley SoftFloat Release 3b
John R. Hauser
2015 October 23
2016 July 22
The following applies to the whole of SoftFloat Release 3a as well as to
The following applies to the whole of SoftFloat Release 3b as well as to
each source file individually.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

10
README.html
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@ -7,11 +7,11 @@
<BODY>
<H1>Package Overview for Berkeley SoftFloat Release 3a</H1>
<H1>Package Overview for Berkeley SoftFloat Release 3b</H1>
<P>
John R. Hauser<BR>
2015 October 23<BR>
2016 July 22<BR>
</P>
<P>
@ -29,15 +29,15 @@ The SoftFloat package is documented in the following files in the
<BLOCKQUOTE>
<TABLE>
<TR>
<TD><A HREF="doc/SoftFloat.html"><CODE>SoftFloat.html</CODE></A></TD>
<TD><A HREF="doc/SoftFloat.html"><NOBR><CODE>SoftFloat.html</CODE></NOBR></A></TD>
<TD>Documentation for using the SoftFloat functions.</TD>
</TR>
<TR>
<TD><A HREF="doc/SoftFloat-source.html"><CODE>SoftFloat-source.html</CODE></A></TD>
<TD><A HREF="doc/SoftFloat-source.html"><NOBR><CODE>SoftFloat-source.html</CODE></NOBR></A></TD>
<TD>Documentation for building SoftFloat.</TD>
</TR>
<TR>
<TD><A HREF="doc/SoftFloat-history.html"><CODE>SoftFloat-history.html</CODE></A><CODE>&nbsp;&nbsp;&nbsp;</CODE></TD>
<TD><A HREF="doc/SoftFloat-history.html"><NOBR><CODE>SoftFloat-history.html</CODE></A><CODE>&nbsp;&nbsp;&nbsp;</CODE></NOBR></TD>
<TD>History of the major changes to SoftFloat.</TD>
</TR>
</TABLE>

14
README.md
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@ -1,14 +1,14 @@
Package Overview for Berkeley SoftFloat Release 3a
Package Overview for Berkeley SoftFloat Release 3b
==================================================
John R. Hauser<br>
2015 October 23
2016 July 22
Berkeley SoftFloat is a software implementation of binary floating-point
that conforms to the IEEE Standard for Floating-Point Arithmetic. SoftFloat
is distributed in the form of C source code. Building the SoftFloat sources
that conforms to the IEEE Standard for Floating-Point Arithmetic. SoftFloat
is distributed in the form of C source code. Building the SoftFloat sources
generates a library file (typically `softfloat.a` or `libsoftfloat.a`)
containing the floating-point subroutines.
@ -16,9 +16,9 @@ containing the floating-point subroutines.
The SoftFloat package is documented in the following files in the `doc`
subdirectory:
* [SoftFloat.html](http://www.jhauser.us/arithmetic/SoftFloat-3a/doc/SoftFloat.html) Documentation for using the SoftFloat functions.
* [SoftFloat-source.html](http://www.jhauser.us/arithmetic/SoftFloat-3a/doc/SoftFloat-source.html) Documentation for building SoftFloat.
* [SoftFloat-history.html](http://www.jhauser.us/arithmetic/SoftFloat-3a/doc/SoftFloat-history.html) History of the major changes to SoftFloat.
* [SoftFloat.html](http://www.jhauser.us/arithmetic/SoftFloat-3b/doc/SoftFloat.html) Documentation for using the SoftFloat functions.
* [SoftFloat-source.html](http://www.jhauser.us/arithmetic/SoftFloat-3b/doc/SoftFloat-source.html) Documentation for building SoftFloat.
* [SoftFloat-history.html](http://www.jhauser.us/arithmetic/SoftFloat-3b/doc/SoftFloat-history.html) History of the major changes to SoftFloat.
Other files in the package comprise the source code for SoftFloat.

4
README.txt
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@ -1,8 +1,8 @@
Package Overview for Berkeley SoftFloat Release 3a
Package Overview for Berkeley SoftFloat Release 3b
John R. Hauser
2015 October 23
2016 July 22
Berkeley SoftFloat is a software implementation of binary floating-point
that conforms to the IEEE Standard for Floating-Point Arithmetic. SoftFloat

60
build/Linux-386-GCC/Makefile
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@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile is part of the SoftFloat IEEE Floating-Point Arithmetic
# Package, Release 3a, by John R. Hauser.
# Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -34,10 +34,11 @@
#
#=============================================================================
SOURCE_DIR = ../../source
SPECIALIZE_TYPE = 8086
SOURCE_DIR ?= ../../source
SPECIALIZE_TYPE ?= 8086
SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
SOFTFLOAT_OPTS ?= \
-DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
DELETE = rm -f
C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -66,6 +67,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJamM$(OBJ) \
s_shiftRightM$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_addM$(OBJ) \
@ -76,12 +78,17 @@ OBJS_PRIMITIVES = \
s_subM$(OBJ) \
s_mul64To128M$(OBJ) \
s_mul128MTo256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
s_remStepMBy32$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -102,6 +109,12 @@ OBJS_OTHERS = \
s_roundPackMToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackMToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -130,22 +143,53 @@ OBJS_OTHERS = \
s_addF128M$(OBJ) \
s_mulAddF128M$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -154,6 +198,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80M$(OBJ) \
f32_to_f128M$(OBJ) \
@ -180,6 +225,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80M$(OBJ) \
f64_to_f128M$(OBJ) \
@ -206,6 +252,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -230,6 +277,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_f64$(OBJ) \
f128M_to_extF80M$(OBJ) \

10
build/Linux-386-GCC/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -40,5 +40,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
#ifdef __GNUC_STDC_INLINE__
#define INLINE inline
#else
#define INLINE extern inline
#endif

60
build/Linux-386-SSE2-GCC/Makefile
View File

@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile is part of the SoftFloat IEEE Floating-Point Arithmetic
# Package, Release 3a, by John R. Hauser.
# Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -34,10 +34,11 @@
#
#=============================================================================
SOURCE_DIR = ../../source
SPECIALIZE_TYPE = 8086-SSE
SOURCE_DIR ?= ../../source
SPECIALIZE_TYPE ?= 8086-SSE
SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
SOFTFLOAT_OPTS ?= \
-DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
DELETE = rm -f
C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -66,6 +67,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJamM$(OBJ) \
s_shiftRightM$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_addM$(OBJ) \
@ -76,12 +78,17 @@ OBJS_PRIMITIVES = \
s_subM$(OBJ) \
s_mul64To128M$(OBJ) \
s_mul128MTo256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
s_remStepMBy32$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -102,6 +109,12 @@ OBJS_OTHERS = \
s_roundPackMToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackMToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -130,22 +143,53 @@ OBJS_OTHERS = \
s_addF128M$(OBJ) \
s_mulAddF128M$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -154,6 +198,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80M$(OBJ) \
f32_to_f128M$(OBJ) \
@ -180,6 +225,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80M$(OBJ) \
f64_to_f128M$(OBJ) \
@ -206,6 +252,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -230,6 +277,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_f64$(OBJ) \
f128M_to_extF80M$(OBJ) \

10
build/Linux-386-SSE2-GCC/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -40,5 +40,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
#ifdef __GNUC_STDC_INLINE__
#define INLINE inline
#else
#define INLINE extern inline
#endif

64
build/Linux-x86_64-GCC/Makefile
View File

@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile is part of the SoftFloat IEEE Floating-Point Arithmetic
# Package, Release 3a, by John R. Hauser.
# Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -34,10 +34,11 @@
#
#=============================================================================
SOURCE_DIR = ../../source
SPECIALIZE_TYPE = 8086-SSE
SOURCE_DIR ?= ../../source
SPECIALIZE_TYPE ?= 8086-SSE
SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
SOFTFLOAT_OPTS ?= \
-DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
DELETE = rm -f
C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -69,6 +70,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJam128Extra$(OBJ) \
s_shiftRightJam256M$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_add128$(OBJ) \
@ -79,11 +81,16 @@ OBJS_PRIMITIVES = \
s_mul64To128$(OBJ) \
s_mul128By32$(OBJ) \
s_mul128To256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -104,6 +111,12 @@ OBJS_OTHERS = \
s_roundPackToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -128,30 +141,63 @@ OBJS_OTHERS = \
s_subMagsF128$(OBJ) \
s_mulAddF128$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -160,6 +206,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80$(OBJ) \
f32_to_extF80M$(OBJ) \
@ -188,6 +235,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80$(OBJ) \
f64_to_extF80M$(OBJ) \
@ -216,6 +264,7 @@ OBJS_OTHERS = \
extF80_to_ui64_r_minMag$(OBJ) \
extF80_to_i32_r_minMag$(OBJ) \
extF80_to_i64_r_minMag$(OBJ) \
extF80_to_f16$(OBJ) \
extF80_to_f32$(OBJ) \
extF80_to_f64$(OBJ) \
extF80_to_f128$(OBJ) \
@ -241,6 +290,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -265,6 +315,7 @@ OBJS_OTHERS = \
f128_to_ui64_r_minMag$(OBJ) \
f128_to_i32_r_minMag$(OBJ) \
f128_to_i64_r_minMag$(OBJ) \
f128_to_f16$(OBJ) \
f128_to_f32$(OBJ) \
f128_to_extF80$(OBJ) \
f128_to_f64$(OBJ) \
@ -291,6 +342,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_extF80M$(OBJ) \
f128M_to_f64$(OBJ) \

10
build/Linux-x86_64-GCC/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -40,5 +40,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
#ifdef __GNUC_STDC_INLINE__
#define INLINE inline
#else
#define INLINE extern inline
#endif

60
build/Win32-MinGW/Makefile
View File

@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile is part of the SoftFloat IEEE Floating-Point Arithmetic
# Package, Release 3a, by John R. Hauser.
# Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -34,10 +34,11 @@
#
#=============================================================================
SOURCE_DIR = ../../source
SPECIALIZE_TYPE = 8086
SOURCE_DIR ?= ../../source
SPECIALIZE_TYPE ?= 8086
SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
SOFTFLOAT_OPTS ?= \
-DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
DELETE = rm -f
C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -66,6 +67,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJamM$(OBJ) \
s_shiftRightM$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_addM$(OBJ) \
@ -76,12 +78,17 @@ OBJS_PRIMITIVES = \
s_subM$(OBJ) \
s_mul64To128M$(OBJ) \
s_mul128MTo256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
s_remStepMBy32$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -102,6 +109,12 @@ OBJS_OTHERS = \
s_roundPackMToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackMToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -130,22 +143,53 @@ OBJS_OTHERS = \
s_addF128M$(OBJ) \
s_mulAddF128M$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -154,6 +198,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80M$(OBJ) \
f32_to_f128M$(OBJ) \
@ -180,6 +225,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80M$(OBJ) \
f64_to_f128M$(OBJ) \
@ -206,6 +252,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -230,6 +277,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_f64$(OBJ) \
f128M_to_extF80M$(OBJ) \

10
build/Win32-MinGW/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -40,5 +40,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
#ifdef __GNUC_STDC_INLINE__
#define INLINE inline
#else
#define INLINE extern inline
#endif

60
build/Win32-SSE2-MinGW/Makefile
View File

@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile is part of the SoftFloat IEEE Floating-Point Arithmetic
# Package, Release 3a, by John R. Hauser.
# Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -34,10 +34,11 @@
#
#=============================================================================
SOURCE_DIR = ../../source
SPECIALIZE_TYPE = 8086-SSE
SOURCE_DIR ?= ../../source
SPECIALIZE_TYPE ?= 8086-SSE
SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
SOFTFLOAT_OPTS ?= \
-DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
DELETE = rm -f
C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -66,6 +67,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJamM$(OBJ) \
s_shiftRightM$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_addM$(OBJ) \
@ -76,12 +78,17 @@ OBJS_PRIMITIVES = \
s_subM$(OBJ) \
s_mul64To128M$(OBJ) \
s_mul128MTo256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
s_remStepMBy32$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -102,6 +109,12 @@ OBJS_OTHERS = \
s_roundPackMToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackMToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -130,22 +143,53 @@ OBJS_OTHERS = \
s_addF128M$(OBJ) \
s_mulAddF128M$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -154,6 +198,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80M$(OBJ) \
f32_to_f128M$(OBJ) \
@ -180,6 +225,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80M$(OBJ) \
f64_to_f128M$(OBJ) \
@ -206,6 +252,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -230,6 +277,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_f64$(OBJ) \
f128M_to_extF80M$(OBJ) \

10
build/Win32-SSE2-MinGW/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -40,5 +40,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
#ifdef __GNUC_STDC_INLINE__
#define INLINE inline
#else
#define INLINE extern inline
#endif

64
build/Win64-MinGW-w64/Makefile
View File

@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile is part of the SoftFloat IEEE Floating-Point Arithmetic
# Package, Release 3a, by John R. Hauser.
# Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -34,10 +34,11 @@
#
#=============================================================================
SOURCE_DIR = ../../source
SPECIALIZE_TYPE = 8086-SSE
SOURCE_DIR ?= ../../source
SPECIALIZE_TYPE ?= 8086-SSE
SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
SOFTFLOAT_OPTS ?= \
-DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
DELETE = rm -f
C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -69,6 +70,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJam128Extra$(OBJ) \
s_shiftRightJam256M$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_add128$(OBJ) \
@ -79,11 +81,16 @@ OBJS_PRIMITIVES = \
s_mul64To128$(OBJ) \
s_mul128By32$(OBJ) \
s_mul128To256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -104,6 +111,12 @@ OBJS_OTHERS = \
s_roundPackToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -128,30 +141,63 @@ OBJS_OTHERS = \
s_subMagsF128$(OBJ) \
s_mulAddF128$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -160,6 +206,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80$(OBJ) \
f32_to_extF80M$(OBJ) \
@ -188,6 +235,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80$(OBJ) \
f64_to_extF80M$(OBJ) \
@ -216,6 +264,7 @@ OBJS_OTHERS = \
extF80_to_ui64_r_minMag$(OBJ) \
extF80_to_i32_r_minMag$(OBJ) \
extF80_to_i64_r_minMag$(OBJ) \
extF80_to_f16$(OBJ) \
extF80_to_f32$(OBJ) \
extF80_to_f64$(OBJ) \
extF80_to_f128$(OBJ) \
@ -241,6 +290,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -265,6 +315,7 @@ OBJS_OTHERS = \
f128_to_ui64_r_minMag$(OBJ) \
f128_to_i32_r_minMag$(OBJ) \
f128_to_i64_r_minMag$(OBJ) \
f128_to_f16$(OBJ) \
f128_to_f32$(OBJ) \
f128_to_extF80$(OBJ) \
f128_to_f64$(OBJ) \
@ -291,6 +342,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_extF80M$(OBJ) \
f128M_to_f64$(OBJ) \

10
build/Win64-MinGW-w64/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -40,5 +40,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
#ifdef __GNUC_STDC_INLINE__
#define INLINE inline
#else
#define INLINE extern inline
#endif

64
build/template-FAST_INT64/Makefile
View File

@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile template is part of the SoftFloat IEEE Floating-Point
# Arithmetic Package, Release 3a, by John R. Hauser.
# Arithmetic Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -36,10 +36,11 @@
# Edit lines marked with `==>'. See "SoftFloat-source.html".
==> SOURCE_DIR = ../../source
==> SPECIALIZE_TYPE = 8086
==> SOURCE_DIR ?= ../../source
==> SPECIALIZE_TYPE ?= 8086
==> SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
==> SOFTFLOAT_OPTS ?= \
==> -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
==> DELETE = rm -f
==> C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -70,6 +71,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJam128Extra$(OBJ) \
s_shiftRightJam256M$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_add128$(OBJ) \
@ -80,11 +82,16 @@ OBJS_PRIMITIVES = \
s_mul64To128$(OBJ) \
s_mul128By32$(OBJ) \
s_mul128To256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -105,6 +112,12 @@ OBJS_OTHERS = \
s_roundPackToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -129,30 +142,63 @@ OBJS_OTHERS = \
s_subMagsF128$(OBJ) \
s_mulAddF128$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -161,6 +207,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80$(OBJ) \
f32_to_extF80M$(OBJ) \
@ -189,6 +236,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80$(OBJ) \
f64_to_extF80M$(OBJ) \
@ -217,6 +265,7 @@ OBJS_OTHERS = \
extF80_to_ui64_r_minMag$(OBJ) \
extF80_to_i32_r_minMag$(OBJ) \
extF80_to_i64_r_minMag$(OBJ) \
extF80_to_f16$(OBJ) \
extF80_to_f32$(OBJ) \
extF80_to_f64$(OBJ) \
extF80_to_f128$(OBJ) \
@ -242,6 +291,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -266,6 +316,7 @@ OBJS_OTHERS = \
f128_to_ui64_r_minMag$(OBJ) \
f128_to_i32_r_minMag$(OBJ) \
f128_to_i64_r_minMag$(OBJ) \
f128_to_f16$(OBJ) \
f128_to_f32$(OBJ) \
f128_to_extF80$(OBJ) \
f128_to_f64$(OBJ) \
@ -292,6 +343,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_extF80M$(OBJ) \
f128M_to_f64$(OBJ) \

10
build/template-FAST_INT64/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header template is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -44,3 +44,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*----------------------------------------------------------------------------*/
==> #define INLINE inline
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
==> #define THREAD_LOCAL _Thread_local

60
build/template-not-FAST_INT64/Makefile
View File

@ -2,10 +2,10 @@
#=============================================================================
#
# This Makefile template is part of the SoftFloat IEEE Floating-Point
# Arithmetic Package, Release 3a, by John R. Hauser.
# Arithmetic Package, Release 3b, by John R. Hauser.
#
# Copyright 2011, 2012, 2013, 2014 The Regents of the University of
# California. All rights reserved.
# Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University
# of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -36,10 +36,11 @@
# Edit lines marked with `==>'. See "SoftFloat-source.html".
==> SOURCE_DIR = ../../source
==> SPECIALIZE_TYPE = 8086
==> SOURCE_DIR ?= ../../source
==> SPECIALIZE_TYPE ?= 8086
==> SOFTFLOAT_OPTS = -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV64TO32
==> SOFTFLOAT_OPTS ?= \
==> -DINLINE_LEVEL=5 -DSOFTFLOAT_FAST_DIV32TO16 -DSOFTFLOAT_FAST_DIV64TO32
==> DELETE = rm -f
==> C_INCLUDES = -I. -I$(SOURCE_DIR)/$(SPECIALIZE_TYPE) -I$(SOURCE_DIR)/include
@ -66,6 +67,7 @@ OBJS_PRIMITIVES = \
s_shiftRightJamM$(OBJ) \
s_shiftRightM$(OBJ) \
s_countLeadingZeros8$(OBJ) \
s_countLeadingZeros16$(OBJ) \
s_countLeadingZeros32$(OBJ) \
s_countLeadingZeros64$(OBJ) \
s_addM$(OBJ) \
@ -76,12 +78,17 @@ OBJS_PRIMITIVES = \
s_subM$(OBJ) \
s_mul64To128M$(OBJ) \
s_mul128MTo256M$(OBJ) \
s_approxRecip_1Ks$(OBJ) \
s_approxRecip32_1$(OBJ) \
s_approxRecipSqrt_1Ks$(OBJ) \
s_approxRecipSqrt32_1$(OBJ) \
s_remStepMBy32$(OBJ) \
OBJS_SPECIALIZE = \
softfloat_raiseFlags$(OBJ) \
s_f16UIToCommonNaN$(OBJ) \
s_commonNaNToF16UI$(OBJ) \
s_propagateNaNF16UI$(OBJ) \
s_f32UIToCommonNaN$(OBJ) \
s_commonNaNToF32UI$(OBJ) \
s_propagateNaNF32UI$(OBJ) \
@ -102,6 +109,12 @@ OBJS_OTHERS = \
s_roundPackMToUI64$(OBJ) \
s_roundPackToI32$(OBJ) \
s_roundPackMToI64$(OBJ) \
s_normSubnormalF16Sig$(OBJ) \
s_roundPackToF16$(OBJ) \
s_normRoundPackToF16$(OBJ) \
s_addMagsF16$(OBJ) \
s_subMagsF16$(OBJ) \
s_mulAddF16$(OBJ) \
s_normSubnormalF32Sig$(OBJ) \
s_roundPackToF32$(OBJ) \
s_normRoundPackToF32$(OBJ) \
@ -130,22 +143,53 @@ OBJS_OTHERS = \
s_addF128M$(OBJ) \
s_mulAddF128M$(OBJ) \
softfloat_state$(OBJ) \
ui32_to_f16$(OBJ) \
ui32_to_f32$(OBJ) \
ui32_to_f64$(OBJ) \
ui32_to_extF80M$(OBJ) \
ui32_to_f128M$(OBJ) \
ui64_to_f16$(OBJ) \
ui64_to_f32$(OBJ) \
ui64_to_f64$(OBJ) \
ui64_to_extF80M$(OBJ) \
ui64_to_f128M$(OBJ) \
i32_to_f16$(OBJ) \
i32_to_f32$(OBJ) \
i32_to_f64$(OBJ) \
i32_to_extF80M$(OBJ) \
i32_to_f128M$(OBJ) \
i64_to_f16$(OBJ) \
i64_to_f32$(OBJ) \
i64_to_f64$(OBJ) \
i64_to_extF80M$(OBJ) \
i64_to_f128M$(OBJ) \
f16_to_ui32$(OBJ) \
f16_to_ui64$(OBJ) \
f16_to_i32$(OBJ) \
f16_to_i64$(OBJ) \
f16_to_ui32_r_minMag$(OBJ) \
f16_to_ui64_r_minMag$(OBJ) \
f16_to_i32_r_minMag$(OBJ) \
f16_to_i64_r_minMag$(OBJ) \
f16_to_f32$(OBJ) \
f16_to_f64$(OBJ) \
f16_to_extF80M$(OBJ) \
f16_to_f128M$(OBJ) \
f16_roundToInt$(OBJ) \
f16_add$(OBJ) \
f16_sub$(OBJ) \
f16_mul$(OBJ) \
f16_mulAdd$(OBJ) \
f16_div$(OBJ) \
f16_rem$(OBJ) \
f16_sqrt$(OBJ) \
f16_eq$(OBJ) \
f16_le$(OBJ) \
f16_lt$(OBJ) \
f16_eq_signaling$(OBJ) \
f16_le_quiet$(OBJ) \
f16_lt_quiet$(OBJ) \
f16_isSignalingNaN$(OBJ) \
f32_to_ui32$(OBJ) \
f32_to_ui64$(OBJ) \
f32_to_i32$(OBJ) \
@ -154,6 +198,7 @@ OBJS_OTHERS = \
f32_to_ui64_r_minMag$(OBJ) \
f32_to_i32_r_minMag$(OBJ) \
f32_to_i64_r_minMag$(OBJ) \
f32_to_f16$(OBJ) \
f32_to_f64$(OBJ) \
f32_to_extF80M$(OBJ) \
f32_to_f128M$(OBJ) \
@ -180,6 +225,7 @@ OBJS_OTHERS = \
f64_to_ui64_r_minMag$(OBJ) \
f64_to_i32_r_minMag$(OBJ) \
f64_to_i64_r_minMag$(OBJ) \
f64_to_f16$(OBJ) \
f64_to_f32$(OBJ) \
f64_to_extF80M$(OBJ) \
f64_to_f128M$(OBJ) \
@ -206,6 +252,7 @@ OBJS_OTHERS = \
extF80M_to_ui64_r_minMag$(OBJ) \
extF80M_to_i32_r_minMag$(OBJ) \
extF80M_to_i64_r_minMag$(OBJ) \
extF80M_to_f16$(OBJ) \
extF80M_to_f32$(OBJ) \
extF80M_to_f64$(OBJ) \
extF80M_to_f128M$(OBJ) \
@ -230,6 +277,7 @@ OBJS_OTHERS = \
f128M_to_ui64_r_minMag$(OBJ) \
f128M_to_i32_r_minMag$(OBJ) \
f128M_to_i64_r_minMag$(OBJ) \
f128M_to_f16$(OBJ) \
f128M_to_f32$(OBJ) \
f128M_to_f64$(OBJ) \
f128M_to_extF80M$(OBJ) \

10
build/template-not-FAST_INT64/platform.h
View File

@ -2,10 +2,10 @@
/*============================================================================
This C header template is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -44,3 +44,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*----------------------------------------------------------------------------*/
==> #define INLINE inline
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
==> #define THREAD_LOCAL _Thread_local

31
doc/SoftFloat-history.html
View File

@ -7,14 +7,41 @@
<BODY>
<H1>History of Berkeley SoftFloat, to Release 3a</H1>
<H1>History of Berkeley SoftFloat, to Release 3b</H1>
<P>
John R. Hauser<BR>
2015 October 23<BR>
2016 July 22<BR>
</P>
<H3>Release 3b (2016 July)</H3>
<UL>
<LI>
Implemented the common <NOBR>16-bit</NOBR> &ldquo;half-precision&rdquo;
floating-point format (<CODE>float16_t</CODE>).
<LI>
Made the integer values returned on invalid conversions to integer formats
be determined by the port-specific specialization instead of being the same for
all ports.
<LI>
Added preprocessor macro <CODE>THREAD_LOCAL</CODE> to allow the floating-point
state (modes and exception flags) to be made per-thread.
<LI>
Modified the provided Makefiles to allow some options to be overridden from the
<CODE>make</CODE> command.
<LI>
Made other minor improvements.
</UL>
<H3>Release 3a (2015 October)</H3>
<UL>

99
doc/SoftFloat-source.html
View File

@ -7,11 +7,11 @@
<BODY>
<H1>Berkeley SoftFloat Release 3a: Source Documentation</H1>
<H1>Berkeley SoftFloat Release 3b: Source Documentation</H1>
<P>
John R. Hauser<BR>
2015 October 23<BR>
2016 July 22<BR>
</P>
@ -53,7 +53,7 @@ This document gives information needed for compiling and/or porting Berkeley
SoftFloat, a library of C functions implementing binary floating-point
conforming to the IEEE Standard for Floating-Point Arithmetic.
For basic documentation about SoftFloat refer to
<A HREF="SoftFloat.html"><CODE>SoftFloat.html</CODE></A>.
<A HREF="SoftFloat.html"><NOBR><CODE>SoftFloat.html</CODE></NOBR></A>.
</P>
<P>
@ -68,8 +68,8 @@ SoftFloat has been successfully compiled with the GNU C Compiler
<NOBR>Release 3</NOBR> of SoftFloat was a complete rewrite relative to
<NOBR>Release 2</NOBR> or earlier.
Changes to the interface of SoftFloat functions are documented in
<A HREF="SoftFloat.html"><CODE>SoftFloat.html</CODE></A>.
The current version of SoftFloat is <NOBR>Release 3a</NOBR>.
<A HREF="SoftFloat.html"><NOBR><CODE>SoftFloat.html</CODE></NOBR></A>.
The current version of SoftFloat is <NOBR>Release 3b</NOBR>.
</P>
@ -114,10 +114,10 @@ SoftFloat&rsquo;s dependence on these headers is detailed later in
The SoftFloat package was written by me, <NOBR>John R.</NOBR> Hauser.
<NOBR>Release 3</NOBR> of SoftFloat was a completely new implementation
supplanting earlier releases.
The project to create <NOBR>Release 3</NOBR> (and <NOBR>now 3a</NOBR>) was done
in the employ of the University of California, Berkeley, within the Department
of Electrical Engineering and Computer Sciences, first for the Parallel
Computing Laboratory (Par Lab) and then for the ASPIRE Lab.
The project to create <NOBR>Release 3</NOBR> (now <NOBR>through 3b</NOBR>) was
done in the employ of the University of California, Berkeley, within the
Department of Electrical Engineering and Computer Sciences, first for the
Parallel Computing Laboratory (Par Lab) and then for the ASPIRE Lab.
The work was officially overseen by Prof. Krste Asanovic, with funding provided
by these sources:
<BLOCKQUOTE>
@ -148,12 +148,12 @@ Oracle, and Samsung.
</P>
<P>
The following applies to the whole of SoftFloat <NOBR>Release 3a</NOBR> as well
The following applies to the whole of SoftFloat <NOBR>Release 3b</NOBR> as well
as to each source file individually.
</P>
<P>
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California.
All rights reserved.
</P>
@ -236,9 +236,9 @@ processors.
The files in directory <CODE>8086</CODE> give floating-point behavior
consistent solely with Intel&rsquo;s older, 8087-derived floating-point, while
those in <NOBR><CODE>8086-SSE</CODE></NOBR> update the behavior of the
non-extended formats (<CODE>float32_t</CODE>, <CODE>float64_t</CODE>, and
<CODE>float128_t</CODE>) to mirror Intel&rsquo;s more recent Streaming SIMD
Extensions (SSE) and other compatible extensions.
non-extended formats (<CODE>float16_t</CODE>, <CODE>float32_t</CODE>,
<CODE>float64_t</CODE>, and <CODE>float128_t</CODE>) to mirror Intel&rsquo;s
more recent Streaming SIMD Extensions (SSE) and other compatible extensions.
If other specializations are attempted, these would be expected to be other
subdirectories of <CODE>source</CODE> alongside <CODE>8086</CODE> and
<NOBR><CODE>8086-SSE</CODE></NOBR>.
@ -370,9 +370,12 @@ what (if anything) special happens when exceptions are raised;
<LI>
how signaling NaNs are distinguished from quiet NaNs;
<LI>
the default generated quiet NaNs; and
the default generated quiet NaNs;
<LI>
how NaNs are propagated from function inputs to output.
how NaNs are propagated from function inputs to output; and
<LI>
the integer results returned when conversions to integer type raise the
<I>invalid</I> exception.
</UL>
</P>
@ -418,6 +421,13 @@ For very small microprocessors whose buses and registers are <NOBR>8-bit</NOBR>
or <NOBR>16-bit</NOBR> in size, this macro should usually not be defined.
Whether this macro should be defined for a <NOBR>32-bit</NOBR> processor may
depend on the target machine and the applications that will use SoftFloat.
<DT><CODE>SOFTFLOAT_FAST_DIV32TO16</CODE>
<DD>
Can be defined to indicate that the target&rsquo;s division operator
<NOBR>in C</NOBR> (written as <CODE>/</CODE>) is reasonably efficient for
dividing a <NOBR>32-bit</NOBR> unsigned integer by a <NOBR>16-bit</NOBR>
unsigned integer.
Setting this macro may affect the performance of function <CODE>f16_div</CODE>.
<DT><CODE>SOFTFLOAT_FAST_DIV64TO32</CODE>
<DD>
Can be defined to indicate that the target&rsquo;s division operator
@ -425,7 +435,7 @@ Can be defined to indicate that the target&rsquo;s division operator
dividing a <NOBR>64-bit</NOBR> unsigned integer by a <NOBR>32-bit</NOBR>
unsigned integer.
Setting this macro may affect the performance of division, remainder, and
square root operations.
square root operations other than <CODE>f16_div</CODE>.
<DT><CODE>INLINE_LEVEL</CODE>
<DD>
Can be defined to an integer to determine the degree of inlining requested of
@ -443,26 +453,41 @@ inlined.
If macro <CODE>INLINE_LEVEL</CODE> is defined with a value of 1 or higher, this
macro must be defined; otherwise, this macro is ignored and need not be
defined.
For some compilers, this macro can be defined as the single keyword
For compilers that conform to the C Standard&rsquo;s rules for inline
functions, this macro can be defined as the single keyword <CODE>inline</CODE>.
For other compilers that follow a convention pre-dating the standardization of
<CODE>inline</CODE>, this macro may need to be defined to <CODE>extern</CODE>
<CODE>inline</CODE>.
Historically, the <CODE>gcc</CODE> compiler has required that this macro be
defined to <CODE>extern</CODE> <CODE>inline</CODE>.
<DT><CODE>THREAD_LOCAL</CODE>
<DD>
Can be defined to a sequence of tokens that, when appearing at the start of a
variable declaration, indicates to the C compiler that the variable is
<I>per-thread</I>, meaning that each execution thread gets its own separate
instance of the variable.
This macro is used in header <CODE>softfloat.h</CODE> in the declarations of
variables <CODE>softfloat_roundingMode</CODE>,
<CODE>softfloat_detectTininess</CODE>, <CODE>extF80_roundingPrecision</CODE>,
and <CODE>softfloat_exceptionFlags</CODE>.
If macro <CODE>THREAD_LOCAL</CODE> is left undefined, these variables will
default to being ordinary global variables.
Depending on the compiler, possible valid definitions of this macro include
<CODE>_Thread_local</CODE> and <CODE>__thread</CODE>.
</DL>
</BLOCKQUOTE>
</P>
<P>
Following the usual custom <NOBR>for C</NOBR>, for the first three macros (all
except <CODE>INLINE_LEVEL</CODE> and <CODE>INLINE</CODE>), the content of any
definition is irrelevant;
Following the usual custom <NOBR>for C</NOBR>, for the first four macros (all
except <CODE>INLINE_LEVEL</CODE>, <CODE>INLINE</CODE>, and
<CODE>THREAD_LOCAL</CODE>), the content of any definition is irrelevant;
what matters is a macro&rsquo;s effect on <CODE>#ifdef</CODE> directives.
</P>
<P>
It is recommended that any definitions of macros <CODE>LITTLEENDIAN</CODE> and
<CODE>INLINE</CODE> be made in a build target&rsquo;s <CODE>platform.h</CODE>
header file, because these macros are expected to be determined inflexibly by
the target machine and compiler.
It is recommended that any definitions of macros <CODE>LITTLEENDIAN</CODE>,
<CODE>INLINE</CODE>, and <CODE>THREAD_LOCAL</CODE> be made in a build
target&rsquo;s <CODE>platform.h</CODE> header file, because these macros are
expected to be determined inflexibly by the target machine and compiler.
The other three macros control optimization and might be better located in the
target&rsquo;s Makefile (or its equivalent).
</P>
@ -496,7 +521,7 @@ underlying arithmetic operations upon which many of SoftFloat&rsquo;s
floating-point functions are ultimately built.
The SoftFloat sources include implementations of all of these functions/macros,
written as standard C code, so a complete and correct SoftFloat library can be
built using only the supplied code for all functions.
created using only the supplied code for all functions.
However, for many targets, SoftFloat&rsquo;s performance can be improved by
substituting target-specific implementations of some of the functions/macros
declared in <CODE>primitives.h</CODE>.
@ -505,8 +530,8 @@ declared in <CODE>primitives.h</CODE>.
<P>
For example, <CODE>primitives.h</CODE> declares a function called
<CODE>softfloat_countLeadingZeros32</CODE> that takes an unsigned
<NOBR>32-bit</NOBR> integer as an argument and returns the maximal number of
the integer&rsquo;s most-significant bits that are all zeros.
<NOBR>32-bit</NOBR> integer as an argument and returns the number of the
integer&rsquo;s most-significant bits that are zeros.
While the SoftFloat sources include an implementation of this function written
in <NOBR>standard C</NOBR>, many processors can perform this same function
directly in only one or two machine instructions.
@ -534,7 +559,7 @@ where <NOBR><CODE>&lt;function-name&gt;</CODE></NOBR> is the name of the
function.
This technically defines <NOBR><CODE>&lt;function-name&gt;</CODE></NOBR> as a
macro, but one that resolves to the same name, which may then be a function.
(A preprocessor conforming to the C Standard must limit recursive macro
(A preprocessor that conforms to the C Standard must limit recursive macro
expansion from being applied more than once.)
</P>
@ -546,7 +571,7 @@ SoftFloat can be tested using the <CODE>testsoftfloat</CODE> program by the
same author.
This program is part of the Berkeley TestFloat package available at the Web
page
<A HREF="http://www.jhauser.us/arithmetic/TestFloat.html"><CODE>http://www.jhauser.us/arithmetic/TestFloat.html</CODE></A>.
<A HREF="http://www.jhauser.us/arithmetic/TestFloat.html"><NOBR><CODE>http://www.jhauser.us/arithmetic/TestFloat.html</CODE></NOBR></A>.
The TestFloat package also has a program called <CODE>timesoftfloat</CODE> that
measures the speed of SoftFloat&rsquo;s floating-point functions.
</P>
@ -566,10 +591,10 @@ As supplied, <CODE>softfloat.h</CODE> depends on another header,
<CODE>softfloat_types.h</CODE>, that is not intended for public use but which
must also be visible to the programmer&rsquo;s compiler.
<LI>
More troubling, at the time <CODE>softfloat.h</CODE> is included in a C
source file, macro <CODE>SOFTFLOAT_FAST_INT64</CODE> must be defined, or not
defined, consistent with whether this macro was defined when the SoftFloat
library was built.
More troubling, at the time <CODE>softfloat.h</CODE> is included in a C source
file, macros <CODE>SOFTFLOAT_FAST_INT64</CODE> and <CODE>THREAD_LOCAL</CODE>
must be defined, or not defined, consistent with how these macro were defined
when the SoftFloat library was built.
</UL>
In the situation that new programs may regularly <CODE>#include</CODE> header
file <CODE>softfloat.h</CODE>, it is recommended that a custom, self-contained
@ -582,7 +607,7 @@ version of this header file be created that eliminates these issues.
<P>
At the time of this writing, the most up-to-date information about SoftFloat
and the latest release can be found at the Web page
<A HREF="http://www.jhauser.us/arithmetic/SoftFloat.html"><CODE>http://www.jhauser.us/arithmetic/SoftFloat.html</CODE></A>.
<A HREF="http://www.jhauser.us/arithmetic/SoftFloat.html"><NOBR><CODE>http://www.jhauser.us/arithmetic/SoftFloat.html</CODE></NOBR></A>.
</P>

145
doc/SoftFloat.html
View File

@ -7,11 +7,11 @@
<BODY>
<H1>Berkeley SoftFloat Release 3a: Library Interface</H1>
<H1>Berkeley SoftFloat Release 3b: Library Interface</H1>
<P>
John R. Hauser<BR>
2015 October 23<BR>
2016 July 22<BR>
</P>
@ -71,9 +71,10 @@ John R. Hauser<BR>
<P>
Berkeley SoftFloat is a software implementation of binary floating-point that
conforms to the IEEE Standard for Floating-Point Arithmetic.
The current release supports four binary formats: <NOBR>32-bit</NOBR>
single-precision, <NOBR>64-bit</NOBR> double-precision, <NOBR>80-bit</NOBR>
double-extended-precision, and <NOBR>128-bit</NOBR> quadruple-precision.
The current release supports five binary formats: <NOBR>16-bit</NOBR>
half-precision, <NOBR>32-bit</NOBR> single-precision, <NOBR>64-bit</NOBR>
double-precision, <NOBR>80-bit</NOBR> double-extended-precision, and
<NOBR>128-bit</NOBR> quadruple-precision.
The following functions are supported for each format:
<UL>
<LI>
@ -105,15 +106,19 @@ Information about the standard is available elsewhere.
</P>
<P>
The current version of SoftFloat is <NOBR>Release 3a</NOBR>.
The only difference between this version and the previous
<NOBR>Release 3</NOBR> is the replacement of the license text supplied by the
University of California.
The current version of SoftFloat is <NOBR>Release 3b</NOBR>.
This release differs from the previous <NOBR>Release 3a</NOBR> mainly in the
addition of support for the <NOBR>16-bit</NOBR> half-precision format.
Depending on the specific port of SoftFloat, this release may also change the
result obtained when conversion of a floating-point number to an integer format
overflows or is otherwise invalid.
For more about the evolution of SoftFloat releases, see
<A HREF="SoftFloat-history.html"><NOBR><CODE>SoftFloat-history.html</CODE></NOBR></A>.
</P>
<P>
The functional interface of SoftFloat <NOBR>Release 3</NOBR> and afterward
differs in many details from that of earlier releases.
The functional interface of SoftFloat <NOBR>Release 3</NOBR> and later differs
in many details from that of earlier releases.
For specifics of these differences, see <NOBR>section 9</NOBR> below,
<I>Changes from SoftFloat <NOBR>Release 2</NOBR></I>.
</P>
@ -145,7 +150,7 @@ strictly required.
<P>
Most operations not required by the original 1985 version of the IEEE
Floating-Point Standard but added in the 2008 version are not yet supported in
SoftFloat <NOBR>Release 3a</NOBR>.
SoftFloat <NOBR>Release 3b</NOBR>.
</P>
@ -155,10 +160,10 @@ SoftFloat <NOBR>Release 3a</NOBR>.
The SoftFloat package was written by me, <NOBR>John R.</NOBR> Hauser.
<NOBR>Release 3</NOBR> of SoftFloat was a completely new implementation
supplanting earlier releases.
The project to create <NOBR>Release 3</NOBR> (and <NOBR>now 3a</NOBR>) was done
in the employ of the University of California, Berkeley, within the Department
of Electrical Engineering and Computer Sciences, first for the Parallel
Computing Laboratory (Par Lab) and then for the ASPIRE Lab.
The project to create <NOBR>Release 3</NOBR> (now <NOBR>through 3b</NOBR>) was
done in the employ of the University of California, Berkeley, within the
Department of Electrical Engineering and Computer Sciences, first for the
Parallel Computing Laboratory (Par Lab) and then for the ASPIRE Lab.
The work was officially overseen by Prof. Krste Asanovic, with funding provided
by these sources:
<BLOCKQUOTE>
@ -189,12 +194,12 @@ Oracle, and Samsung.
</P>
<P>
The following applies to the whole of SoftFloat <NOBR>Release 3a</NOBR> as well
The following applies to the whole of SoftFloat <NOBR>Release 3b</NOBR> as well
as to each source file individually.
</P>
<P>
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California.
All rights reserved.
</P>
@ -257,7 +262,7 @@ Header file <CODE>softfloat.h</CODE> depends on standard headers
<CODE>bool</CODE> and several integer types.
These standard headers have been part of the ISO C Standard Library since 1999.
With any recent compiler, they are likely to be supported, even if the compiler
does not claim complete conformance to the ISO C Standard.
does not claim complete conformance to the latest ISO C Standard.
For older or nonstandard compilers, a port of SoftFloat may have substitutes
for these headers.
Header <CODE>softfloat.h</CODE> depends only on the name <CODE>bool</CODE> from
@ -273,6 +278,8 @@ int64_t
uint_fast8_t
uint_fast32_t
uint_fast64_t
int_fast32_t
int_fast64_t
</PRE>
</BLOCKQUOTE>
</P>
@ -281,10 +288,14 @@ uint_fast64_t
<H3>4.2. Floating-Point Types</H3>
<P>
The <CODE>softfloat.h</CODE> header defines four floating-point types:
The <CODE>softfloat.h</CODE> header defines five floating-point types:
<BLOCKQUOTE>
<TABLE CELLSPACING=0 CELLPADDING=0>
<TR>
<TD><CODE>float16_t</CODE></TD>
<TD><NOBR>16-bit</NOBR> half-precision binary format</TD>
</TR>
<TR>
<TD><CODE>float32_t</CODE></TD>
<TD><NOBR>32-bit</NOBR> single-precision binary format</TD>
</TR>
@ -304,8 +315,9 @@ Motorola format)</TD>
</TABLE>
</BLOCKQUOTE>
The non-extended types are each exactly the size specified:
<NOBR>32 bits</NOBR> for <CODE>float32_t</CODE>, <NOBR>64 bits</NOBR> for
<CODE>float64_t</CODE>, and <NOBR>128 bits</NOBR> for <CODE>float128_t</CODE>.
<NOBR>16 bits</NOBR> for <CODE>float16_t</CODE>, <NOBR>32 bits</NOBR> for
<CODE>float32_t</CODE>, <NOBR>64 bits</NOBR> for <CODE>float64_t</CODE>, and
<NOBR>128 bits</NOBR> for <CODE>float128_t</CODE>.
Aside from these size requirements, the definitions of all these types may
differ for different ports of SoftFloat to specific systems.
A given port of SoftFloat may or may not define some of the floating-point
@ -364,7 +376,7 @@ comparisons between two values in the same floating-point format.
<P>
The following operations required by the 2008 IEEE Floating-Point Standard are
not supported in SoftFloat <NOBR>Release 3a</NOBR>:
not supported in SoftFloat <NOBR>Release 3b</NOBR>:
<UL>
<LI>
<B>nextUp</B>, <B>nextDown</B>, <B>minNum</B>, <B>maxNum</B>, <B>minNumMag</B>,
@ -492,14 +504,17 @@ prefix, and should reference only such names as are documented.
<H2>6. Mode Variables</H2>
<P>
The following variables control rounding mode, underflow detection, and the
<NOBR>80-bit</NOBR> extended format&rsquo;s rounding precision:
The following global variables control rounding mode, underflow detection, and
the <NOBR>80-bit</NOBR> extended format&rsquo;s rounding precision:
<BLOCKQUOTE>
<CODE>softfloat_roundingMode</CODE><BR>
<CODE>softfloat_detectTininess</CODE><BR>
<CODE>extF80_roundingPrecision</CODE>
</BLOCKQUOTE>
These mode variables are covered in the next several subsections.
For some SoftFloat ports, these variables may be <I>per-thread</I> (declared
<CODE>thread_local</CODE>), meaning that different execution threads have their
own separate copies of the variables.
</P>
<H3>6.1. Rounding Mode</H3>
@ -615,31 +630,37 @@ Variable <CODE>softfloat_exceptionFlags</CODE> is initialized to all zeros,
meaning no exceptions.
</P>
<P>
For some SoftFloat ports, <CODE>softfloat_exceptionFlags</CODE> may be
<I>per-thread</I> (declared <CODE>thread_local</CODE>), meaning that different
execution threads have their own separate instances of it.
</P>
<P>
An individual exception flag can be cleared with the statement
<BLOCKQUOTE>
<CODE>softfloat_exceptionFlags &= ~softfloat_flag_&lt;<I>exception</I>&gt;;</CODE>
</BLOCKQUOTE>
where <CODE>&lt;<I>exception</I>&gt;</CODE> is the appropriate name.
To raise a floating-point exception, function <CODE>softfloat_raise</CODE>
To raise a floating-point exception, function <CODE>softfloat_raiseFlags</CODE>
should normally be used.
</P>
<P>
When SoftFloat detects an exception other than <I>inexact</I>, it calls
<CODE>softfloat_raise</CODE>.
<CODE>softfloat_raiseFlags</CODE>.
The default version of this function simply raises the corresponding exception
flags.
Particular ports of SoftFloat may support alternate behavior, such as exception
traps, by modifying the default <CODE>softfloat_raise</CODE>.
A program may also supply its own <CODE>softfloat_raise</CODE> function to
traps, by modifying the default <CODE>softfloat_raiseFlags</CODE>.
A program may also supply its own <CODE>softfloat_raiseFlags</CODE> function to
override the one from the SoftFloat library.
</P>
<P>
Because inexact results occur frequently under most circumstances (and thus are
hardly exceptional), SoftFloat does not ordinarily call
<CODE>softfloat_raise</CODE> for <I>inexact</I> exceptions.
<CODE>softfloat_raiseFlags</CODE> for <I>inexact</I> exceptions.
It does always raise the <I>inexact</I> exception flag as required.
</P>
@ -652,6 +673,10 @@ a substitute for one of these abbreviations:
<BLOCKQUOTE>
<TABLE CELLSPACING=0 CELLPADDING=0>
<TR>
<TD><CODE>f16</CODE></TD>
<TD>indicates <CODE>float16_t</CODE>, passed by value</TD>
</TR>
<TR>
<TD><CODE>f32</CODE></TD>
<TD>indicates <CODE>float32_t</CODE>, passed by value</TD>
</TR>
@ -752,24 +777,14 @@ otherwise, it will not be, even if the conversion is inexact.
</P>
<P>
Conversions from floating-point to integer raise the <I>invalid</I> exception
if the source value cannot be rounded to a representable integer of the desired
size (32 or 64 bits).
In such a circumstance, if the floating-point input is a NaN or if the
conversion is to an unsigned integer type, the largest positive integer is
returned;
otherwise, the largest integer with the same sign as the input is returned.
The functions that convert to integer types never raise the <I>overflow</I>
exception.
</P>
<P>
Note that, when converting to an unsigned integer type, if the <I>invalid</I>
exception is raised because the input floating-point value would round to a
negative integer, the value returned is the <EM>maximum positive unsigned
integer</EM>.
Zero is not returned when the <I>invalid</I> exception is raised, even when
zero is the closest integer to the original floating-point value.
A conversion from floating-point to integer format raises the <I>invalid</I>
exception if the source value cannot be rounded to a representable integer of
the desired size (32 or 64 bits).
In such circumstances, the integer result returned is determined by the
particular port of SoftFloat, although typically this value will be either the
maximum or minimum value of the integer format.
The functions that convert to integer types never raise the floating-point
<I>overflow</I> exception.
</P>
<P>
@ -884,11 +899,9 @@ SoftFloat implements fused multiply-add with functions
<BLOCKQUOTE>
<CODE>&lt;<I>float</I>&gt;_mulAdd</CODE>
</BLOCKQUOTE>
Unlike other operations, fused multiple-add is supported only for the
non-extended formats, <CODE>float32_t</CODE>, <CODE>float64_t</CODE>, and
<CODE>float128_t</CODE>.
No fused multiple-add function is currently provided for the
<NOBR>80-bit</NOBR> double-extended-precision type, <CODE>extFloat80_t</CODE>.
Unlike other operations, fused multiple-add is not supported for the
<NOBR>80-bit</NOBR> double-extended-precision format,
<CODE>extFloat80_t</CODE>.
</P>
<P>
@ -971,8 +984,8 @@ no rounding.
Depending on the relative magnitudes of the operands, the remainder
functions can take considerably longer to execute than the other SoftFloat
functions.
This is inherent in the remainder operation itself and is not a flaw in the
SoftFloat implementation.
This is an inherent characteristic of the remainder operation itself and is not
a flaw in the SoftFloat implementation.
</P>
<H3>8.7. Round-to-Integer Functions</H3>
@ -1103,14 +1116,14 @@ bool f128M_isSignalingNaN( const float128_t *<I>aPtr</I> );
SoftFloat provides a single function for raising floating-point exceptions:
<BLOCKQUOTE>
<PRE>
void softfloat_raise( uint_fast8_t <I>exceptions</I> );
void softfloat_raiseFlags( uint_fast8_t <I>exceptions</I> );
</PRE>
</BLOCKQUOTE>
The <CODE><I>exceptions</I></CODE> argument is a mask indicating the set of
exceptions to raise.
(See earlier section 7, <I>Exceptions and Exception Flags</I>.)
In addition to setting the specified exception flags in variable
<CODE>softfloat_exceptionFlags</CODE>, the <CODE>softfloat_raise</CODE>
<CODE>softfloat_exceptionFlags</CODE>, the <CODE>softfloat_raiseFlags</CODE>
function may cause a trap or abort appropriate for the current system.
</P>
@ -1216,7 +1229,7 @@ have been renamed as follows:
</TR>
<TR>
<TD><CODE>float_raise</CODE></TD>
<TD><CODE>softfloat_raise</CODE></TD>
<TD><CODE>softfloat_raiseFlags</CODE></TD>
</TR>
</TABLE>
</BLOCKQUOTE>
@ -1367,8 +1380,15 @@ all cases involving rounding.
<P>
<LI>
Fused multiply-add functions have been added for the non-extended formats,
<CODE>float32_t</CODE>, <CODE>float64_t</CODE>, and <CODE>float128_t</CODE>.
Fused multiply-add functions have been added for all floating-point formats
except <NOBR>80-bit</NOBR> double-extended-precision,
<CODE>extFloat80_t</CODE>.
</P>
<P>
<LI>
As of <NOBR>Release 3b</NOBR>, <NOBR>16-bit</NOBR> half-precision,
<CODE>float16_t</CODE>, is supported.
</P>
</UL>
@ -1427,9 +1447,6 @@ Some loss of speed has been observed due to this change.
The following improvements are anticipated for future releases of SoftFloat:
<UL>
<LI>
support for the common <NOBR>16-bit</NOBR> &ldquo;half-precision&rdquo;
floating-point format;
<LI>
more functions from the 2008 version of the IEEE Floating-Point Standard;
<LI>
consistent, defined behavior for non-canonical representations of extended
@ -1445,7 +1462,7 @@ format <CODE>extFloat80_t</CODE> (discussed in <NOBR>section 4.4</NOBR>,
<P>
At the time of this writing, the most up-to-date information about SoftFloat
and the latest release can be found at the Web page
<A HREF="http://www.jhauser.us/arithmetic/SoftFloat.html"><CODE>http://www.jhauser.us/arithmetic/SoftFloat.html</CODE></A>.
<A HREF="http://www.jhauser.us/arithmetic/SoftFloat.html"><NOBR><CODE>http://www.jhauser.us/arithmetic/SoftFloat.html</CODE></NOBR></A>.
</P>

2
source/8086-SSE/extF80M_isSignalingNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/f128M_isSignalingNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_commonNaNToExtF80M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_commonNaNToExtF80UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_commonNaNToF128M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_commonNaNToF128UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

51
source/8086-SSE/s_commonNaNToF16UI.c Normal file
View File

@ -0,0 +1,51 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#include <stdint.h>
#include "platform.h"
#include "specialize.h"
/*----------------------------------------------------------------------------
| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point
| NaN, and returns the bit pattern of this value as an unsigned integer.
*----------------------------------------------------------------------------*/
uint_fast16_t softfloat_commonNaNToF16UI( const struct commonNaN *aPtr )
{
return (uint_fast16_t) aPtr->sign<<15 | 0x7E00 | aPtr->v64>>54;
}

2
source/8086-SSE/s_commonNaNToF32UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_commonNaNToF64UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_extF80MToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_extF80UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_f128MToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_f128UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

59
source/8086-SSE/s_f16UIToCommonNaN.c Normal file
View File

@ -0,0 +1,59 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#include <stdint.h>
#include "platform.h"
#include "specialize.h"
#include "softfloat.h"
/*----------------------------------------------------------------------------
| Assuming `uiA' has the bit pattern of a 16-bit floating-point NaN, converts
| this NaN to the common NaN form, and stores the resulting common NaN at the
| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
| exception is raised.
*----------------------------------------------------------------------------*/
void softfloat_f16UIToCommonNaN( uint_fast16_t uiA, struct commonNaN *zPtr )
{
if ( softfloat_isSigNaNF16UI( uiA ) ) {
softfloat_raiseFlags( softfloat_flag_invalid );
}
zPtr->sign = uiA>>15;
zPtr->v64 = (uint_fast64_t) uiA<<54;
zPtr->v0 = 0;
}

2
source/8086-SSE/s_f32UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_f64UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_propagateNaNExtF80M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_propagateNaNExtF80UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_propagateNaNF128M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_propagateNaNF128UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

63
source/8086-SSE/s_propagateNaNF16UI.c Normal file
View File

@ -0,0 +1,63 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "internals.h"
#include "specialize.h"
#include "softfloat.h"
/*----------------------------------------------------------------------------
| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
| point values, at least one of which is a NaN, returns the bit pattern of
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
uint_fast16_t
softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB )
{
bool isSigNaNA;
isSigNaNA = softfloat_isSigNaNF16UI( uiA );
if ( isSigNaNA || softfloat_isSigNaNF16UI( uiB ) ) {
softfloat_raiseFlags( softfloat_flag_invalid );
if ( isSigNaNA ) return uiA | 0x0200;
}
return (isNaNF16UI( uiA ) ? uiA : uiB) | 0x0200;
}

2
source/8086-SSE/s_propagateNaNF32UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/s_propagateNaNF64UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086-SSE/softfloat_raiseFlags.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

41
source/8086-SSE/specialize.h
View File

@ -2,7 +2,7 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a+, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
@ -47,7 +47,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define init_detectTininess softfloat_tininess_afterRounding
/*----------------------------------------------------------------------------
| The values to return on conversions to 32-bit integer format that raise an
| The values to return on conversions to 32-bit integer formats that raise an
| invalid exception.
*----------------------------------------------------------------------------*/
#define ui32_fromPosOverflow 0xFFFFFFFF
@ -58,7 +58,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define i32_fromNaN 0x7FFFFFFF
/*----------------------------------------------------------------------------
| The values to return on conversions to 64-bit integer format that raise an
| The values to return on conversions to 64-bit integer formats that raise an
| invalid exception.
*----------------------------------------------------------------------------*/
#define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
@ -81,6 +81,41 @@ struct commonNaN {
#endif
};
/*----------------------------------------------------------------------------
| The bit pattern for a default generated 16-bit floating-point NaN.
*----------------------------------------------------------------------------*/
#define defaultNaNF16UI 0xFE00
/*----------------------------------------------------------------------------
| Returns true when 16-bit unsigned integer `uiA' has the bit pattern of a
| 16-bit floating-point signaling NaN.
| Note: This macro evaluates its argument more than once.
*----------------------------------------------------------------------------*/
#define softfloat_isSigNaNF16UI( uiA ) ((((uiA) & 0x7E00) == 0x7C00) && ((uiA) & 0x01FF))
/*----------------------------------------------------------------------------
| Assuming `uiA' has the bit pattern of a 16-bit floating-point NaN, converts
| this NaN to the common NaN form, and stores the resulting common NaN at the
| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
| exception is raised.
*----------------------------------------------------------------------------*/
void softfloat_f16UIToCommonNaN( uint_fast16_t uiA, struct commonNaN *zPtr );
/*----------------------------------------------------------------------------
| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point
| NaN, and returns the bit pattern of this value as an unsigned integer.
*----------------------------------------------------------------------------*/
uint_fast16_t softfloat_commonNaNToF16UI( const struct commonNaN *aPtr );
/*----------------------------------------------------------------------------
| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
| point values, at least one of which is a NaN, returns the bit pattern of
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
uint_fast16_t
softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB );
/*----------------------------------------------------------------------------
| The bit pattern for a default generated 32-bit floating-point NaN.
*----------------------------------------------------------------------------*/

2
source/8086/extF80M_isSignalingNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/f128M_isSignalingNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_commonNaNToExtF80M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_commonNaNToExtF80UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_commonNaNToF128M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_commonNaNToF128UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

51
source/8086/s_commonNaNToF16UI.c Normal file
View File

@ -0,0 +1,51 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#include <stdint.h>
#include "platform.h"
#include "specialize.h"
/*----------------------------------------------------------------------------
| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point
| NaN, and returns the bit pattern of this value as an unsigned integer.
*----------------------------------------------------------------------------*/
uint_fast16_t softfloat_commonNaNToF16UI( const struct commonNaN *aPtr )
{
return (uint_fast16_t) aPtr->sign<<15 | 0x7E00 | aPtr->v64>>54;
}

2
source/8086/s_commonNaNToF32UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_commonNaNToF64UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_extF80MToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_extF80UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_f128MToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_f128UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

59
source/8086/s_f16UIToCommonNaN.c Normal file
View File

@ -0,0 +1,59 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#include <stdint.h>
#include "platform.h"
#include "specialize.h"
#include "softfloat.h"
/*----------------------------------------------------------------------------
| Assuming `uiA' has the bit pattern of a 16-bit floating-point NaN, converts
| this NaN to the common NaN form, and stores the resulting common NaN at the
| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
| exception is raised.
*----------------------------------------------------------------------------*/
void softfloat_f16UIToCommonNaN( uint_fast16_t uiA, struct commonNaN *zPtr )
{
if ( softfloat_isSigNaNF16UI( uiA ) ) {
softfloat_raiseFlags( softfloat_flag_invalid );
}
zPtr->sign = uiA>>15;
zPtr->v64 = (uint_fast64_t) uiA<<54;
zPtr->v0 = 0;
}

2
source/8086/s_f32UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_f64UIToCommonNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_propagateNaNExtF80M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_propagateNaNExtF80UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_propagateNaNF128M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_propagateNaNF128UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

84
source/8086/s_propagateNaNF16UI.c Normal file
View File

@ -0,0 +1,84 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "internals.h"
#include "specialize.h"
#include "softfloat.h"
/*----------------------------------------------------------------------------
| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
| point values, at least one of which is a NaN, returns the bit pattern of
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
uint_fast16_t
softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB )
{
bool isSigNaNA, isSigNaNB;
uint_fast16_t uiNonsigA, uiNonsigB, uiMagA, uiMagB;
/*------------------------------------------------------------------------
*------------------------------------------------------------------------*/
isSigNaNA = softfloat_isSigNaNF16UI( uiA );
isSigNaNB = softfloat_isSigNaNF16UI( uiB );
/*------------------------------------------------------------------------
| Make NaNs non-signaling.
*------------------------------------------------------------------------*/
uiNonsigA = uiA | 0x0200;
uiNonsigB = uiB | 0x0200;
/*------------------------------------------------------------------------
*------------------------------------------------------------------------*/
if ( isSigNaNA | isSigNaNB ) {
softfloat_raiseFlags( softfloat_flag_invalid );
if ( isSigNaNA ) {
if ( isSigNaNB ) goto returnLargerMag;
return isNaNF16UI( uiB ) ? uiNonsigB : uiNonsigA;
} else {
return isNaNF16UI( uiA ) ? uiNonsigA : uiNonsigB;
}
}
returnLargerMag:
uiMagA = uiNonsigA & 0x7FFF;
uiMagB = uiNonsigB & 0x7FFF;
if ( uiMagA < uiMagB ) return uiNonsigB;
if ( uiMagB < uiMagA ) return uiNonsigA;
return (uiNonsigA < uiNonsigB) ? uiNonsigA : uiNonsigB;
}

2
source/8086/s_propagateNaNF32UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/s_propagateNaNF64UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/8086/softfloat_raiseFlags.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

41
source/8086/specialize.h
View File

@ -2,7 +2,7 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a+, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
@ -47,7 +47,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define init_detectTininess softfloat_tininess_afterRounding
/*----------------------------------------------------------------------------
| The values to return on conversions to 32-bit integer format that raise an
| The values to return on conversions to 32-bit integer formats that raise an
| invalid exception.
*----------------------------------------------------------------------------*/
#define ui32_fromPosOverflow 0xFFFFFFFF
@ -58,7 +58,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define i32_fromNaN 0x7FFFFFFF
/*----------------------------------------------------------------------------
| The values to return on conversions to 64-bit integer format that raise an
| The values to return on conversions to 64-bit integer formats that raise an
| invalid exception.
*----------------------------------------------------------------------------*/
#define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
@ -81,6 +81,41 @@ struct commonNaN {
#endif
};
/*----------------------------------------------------------------------------
| The bit pattern for a default generated 16-bit floating-point NaN.
*----------------------------------------------------------------------------*/
#define defaultNaNF16UI 0xFE00
/*----------------------------------------------------------------------------
| Returns true when 16-bit unsigned integer `uiA' has the bit pattern of a
| 16-bit floating-point signaling NaN.
| Note: This macro evaluates its argument more than once.
*----------------------------------------------------------------------------*/
#define softfloat_isSigNaNF16UI( uiA ) ((((uiA) & 0x7E00) == 0x7C00) && ((uiA) & 0x01FF))
/*----------------------------------------------------------------------------
| Assuming `uiA' has the bit pattern of a 16-bit floating-point NaN, converts
| this NaN to the common NaN form, and stores the resulting common NaN at the
| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
| exception is raised.
*----------------------------------------------------------------------------*/
void softfloat_f16UIToCommonNaN( uint_fast16_t uiA, struct commonNaN *zPtr );
/*----------------------------------------------------------------------------
| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point
| NaN, and returns the bit pattern of this value as an unsigned integer.
*----------------------------------------------------------------------------*/
uint_fast16_t softfloat_commonNaNToF16UI( const struct commonNaN *aPtr );
/*----------------------------------------------------------------------------
| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
| point values, at least one of which is a NaN, returns the bit pattern of
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
uint_fast16_t
softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB );
/*----------------------------------------------------------------------------
| The bit pattern for a default generated 32-bit floating-point NaN.
*----------------------------------------------------------------------------*/

2
source/RISCV/extF80M_isSignalingNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/RISCV/f128M_isSignalingNaN.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/RISCV/s_commonNaNToExtF80M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/s_commonNaNToExtF80UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/s_commonNaNToF128M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/s_commonNaNToF128UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

1
source/RISCV/s_commonNaNToF16UI.c Normal file
View File

@ -0,0 +1 @@

1
source/RISCV/s_f16UIToCommonNaN.c Normal file
View File

@ -0,0 +1 @@

2
source/RISCV/s_propagateNaNExtF80M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/s_propagateNaNExtF80UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/s_propagateNaNF128M.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/s_propagateNaNF128UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

58
source/RISCV/s_propagateNaNF16UI.c Normal file
View File

@ -0,0 +1,58 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#include <stdint.h>
#include "platform.h"
#include "specialize.h"
#include "softfloat.h"
/*----------------------------------------------------------------------------
| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
| point values, at least one of which is a NaN, returns the bit pattern of
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
uint_fast16_t
softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB )
{
if ( softfloat_isSigNaNF16UI( uiA ) || softfloat_isSigNaNF16UI( uiB ) ) {
softfloat_raiseFlags( softfloat_flag_invalid );
}
return defaultNaNF16UI;
}

2
source/RISCV/s_propagateNaNF32UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/s_propagateNaNF64UI.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
California. All rights reserved.

2
source/RISCV/softfloat_raiseFlags.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

63
source/RISCV/specialize.h
View File

@ -2,7 +2,7 @@
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a+, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
@ -48,7 +48,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define init_detectTininess softfloat_tininess_afterRounding
/*----------------------------------------------------------------------------
| The values to return on conversions to 32-bit integer format that raise an
| The values to return on conversions to 32-bit integer formats that raise an
| invalid exception.
*----------------------------------------------------------------------------*/
#define ui32_fromPosOverflow 0xFFFFFFFF
@ -59,7 +59,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define i32_fromNaN 0x7FFFFFFF
/*----------------------------------------------------------------------------
| The values to return on conversions to 64-bit integer format that raise an
| The values to return on conversions to 64-bit integer formats that raise an
| invalid exception.
*----------------------------------------------------------------------------*/
#define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
@ -75,6 +75,41 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*----------------------------------------------------------------------------*/
struct commonNaN { char _unused; };
/*----------------------------------------------------------------------------
| The bit pattern for a default generated 16-bit floating-point NaN.
*----------------------------------------------------------------------------*/
#define defaultNaNF16UI 0x7E00
/*----------------------------------------------------------------------------
| Returns true when 16-bit unsigned integer `uiA' has the bit pattern of a
| 16-bit floating-point signaling NaN.
| Note: This macro evaluates its argument more than once.
*----------------------------------------------------------------------------*/
#define softfloat_isSigNaNF16UI( uiA ) ((((uiA) & 0x7E00) == 0x7C00) && ((uiA) & 0x01FF))
/*----------------------------------------------------------------------------
| Assuming `uiA' has the bit pattern of a 16-bit floating-point NaN, converts
| this NaN to the common NaN form, and stores the resulting common NaN at the
| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
| exception is raised.
*----------------------------------------------------------------------------*/
#define softfloat_f16UIToCommonNaN( uiA, zPtr ) if ( ! ((uiA) & 0x0200) ) softfloat_raiseFlags( softfloat_flag_invalid )
/*----------------------------------------------------------------------------
| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point
| NaN, and returns the bit pattern of this value as an unsigned integer.
*----------------------------------------------------------------------------*/
#define softfloat_commonNaNToF16UI( aPtr ) ((uint_fast16_t) defaultNaNF16UI)
/*----------------------------------------------------------------------------
| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating-
| point values, at least one of which is a NaN, returns the bit pattern of
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
uint_fast16_t
softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB );
/*----------------------------------------------------------------------------
| The bit pattern for a default generated 32-bit floating-point NaN.
*----------------------------------------------------------------------------*/
@ -182,7 +217,7 @@ uint_fast64_t
*----------------------------------------------------------------------------*/
#if defined INLINE && ! defined softfloat_commonNaNToExtF80UI
INLINE
struct uint128 softfloat_commonNaNToExtF80UI( const struct commonNaN *aPtr )
struct uint128 softfloat_commonNaNToExtF80UI( const struct commonNaN *aPtr )
{
struct uint128 uiZ;
uiZ.v64 = defaultNaNExtF80UI64;
@ -239,7 +274,7 @@ struct uint128
*----------------------------------------------------------------------------*/
#if defined INLINE && ! defined softfloat_commonNaNToF128UI
INLINE
struct uint128 softfloat_commonNaNToF128UI( const struct commonNaN *aPtr )
struct uint128 softfloat_commonNaNToF128UI( const struct commonNaN *aPtr )
{
struct uint128 uiZ;
uiZ.v64 = defaultNaNF128UI64;
@ -289,9 +324,9 @@ struct uint128
*----------------------------------------------------------------------------*/
#if defined INLINE && ! defined softfloat_commonNaNToExtF80M
INLINE
void
softfloat_commonNaNToExtF80M(
const struct commonNaN *aPtr, struct extFloat80M *zSPtr )
void
softfloat_commonNaNToExtF80M(
const struct commonNaN *aPtr, struct extFloat80M *zSPtr )
{
zSPtr->signExp = defaultNaNExtF80UI64;
zSPtr->signif = defaultNaNExtF80UI0;
@ -318,10 +353,10 @@ void
/*----------------------------------------------------------------------------
| The bit pattern for a default generated 128-bit floating-point NaN.
*----------------------------------------------------------------------------*/
#define defaultNaNF128UI96 0xFFFFFFFF
#define defaultNaNF128UI64 0xFFFFFFFF
#define defaultNaNF128UI32 0xFFFFFFFF
#define defaultNaNF128UI0 0xFFFFFFFF
#define defaultNaNF128UI96 0x7FFF8000
#define defaultNaNF128UI64 0
#define defaultNaNF128UI32 0
#define defaultNaNF128UI0 0
/*----------------------------------------------------------------------------
| Assuming the 128-bit floating-point value pointed to by `aWPtr' is a NaN,
@ -341,8 +376,8 @@ void
*----------------------------------------------------------------------------*/
#if defined INLINE && ! defined softfloat_commonNaNToF128M
INLINE
void
softfloat_commonNaNToF128M( const struct commonNaN *aPtr, uint32_t *zWPtr )
void
softfloat_commonNaNToF128M( const struct commonNaN *aPtr, uint32_t *zWPtr )
{
zWPtr[indexWord( 4, 3 )] = defaultNaNF128UI96;
zWPtr[indexWord( 4, 2 )] = defaultNaNF128UI64;

2
source/extF80M_add.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

14
source/extF80M_div.c
View File

@ -2,10 +2,10 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -67,7 +67,7 @@ void
bool signZ;
uint64_t sigA, x64;
int32_t expZ;
int shiftCount;
int shiftDist;
uint32_t y[3], recip32, sigB[3];
int ix;
uint32_t q, qs[2];
@ -117,12 +117,12 @@ void
/*------------------------------------------------------------------------
*------------------------------------------------------------------------*/
expZ = expA - expB + 0x3FFF;
shiftCount = 29;
shiftDist = 29;
if ( sigA < x64 ) {
--expZ;
shiftCount = 30;
shiftDist = 30;
}
softfloat_shortShiftLeft64To96M( sigA, shiftCount, y );
softfloat_shortShiftLeft64To96M( sigA, shiftDist, y );
recip32 = softfloat_approxRecip32_1( x64>>32 );
sigB[indexWord( 3, 0 )] = (uint32_t) x64<<30;
x64 >>= 2;

2
source/extF80M_eq.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/extF80M_eq_signaling.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/extF80M_le.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/extF80M_le_quiet.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/extF80M_lt.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/extF80M_lt_quiet.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/extF80M_mul.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

2
source/extF80M_rem.c
View File

@ -2,7 +2,7 @@
/*============================================================================
This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3a, by John R. Hauser.
Package, Release 3b, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.

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