intel/llvm
1
0
Fork 0
mirror of https://github.com/intel/llvm.git synced 2026-01-27 06:06:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

Implement aeabi_{f,d}cmp*.

Browse Source 
Special thanks to Anton for the review.

llvm-svn: 174596
This commit is contained in:
Zonr Chang
2013-02-07 08:29:47 +00:00
parent 7b0b9b3b65
commit 2d5d8168ff
4 changed files with 82 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
compiler-rt/lib/arm/aeabi_dcmp.S Normal file
View File

@@ -0,0 +1,39 @@
//===-- aeabi_dcmp.S - EABI dcmp* implementation ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "../assembly.h"
// int __aeabi_dcmp{eq,lt,le,ge,gt}(double a, double b) {
// int result = __{eq,lt,le,ge,gt}df2(a, b);
// if (result {==,<,<=,>=,>} 0) {
// return 1;
// } else {
// return 0;
// }
// }
#define DEFINE_AEABI_DCMP(cond) \
.syntax unified SEPARATOR \
.align 2 SEPARATOR \
DEFINE_COMPILERRT_FUNCTION(__aeabi_dcmp ## cond) \
push { r4, lr } SEPARATOR \
bl SYMBOL_NAME(__ ## cond ## df2) SEPARATOR \
cmp r0, #0 SEPARATOR \
b ## cond 1f SEPARATOR \
mov r0, #0 SEPARATOR \
pop { r4, pc } SEPARATOR \
1: SEPARATOR \
mov r0, #1 SEPARATOR \
pop { r4, pc }
DEFINE_AEABI_DCMP(eq)
DEFINE_AEABI_DCMP(lt)
DEFINE_AEABI_DCMP(le)
DEFINE_AEABI_DCMP(ge)
DEFINE_AEABI_DCMP(gt)

39
compiler-rt/lib/arm/aeabi_fcmp.S Normal file
View File

@@ -0,0 +1,39 @@
//===-- aeabi_fcmp.S - EABI fcmp* implementation ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "../assembly.h"
// int __aeabi_fcmp{eq,lt,le,ge,gt}(float a, float b) {
// int result = __{eq,lt,le,ge,gt}sf2(a, b);
// if (result {==,<,<=,>=,>} 0) {
// return 1;
// } else {
// return 0;
// }
// }
#define DEFINE_AEABI_FCMP(cond) \
.syntax unified SEPARATOR \
.align 2 SEPARATOR \
DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) \
push { r4, lr } SEPARATOR \
bl SYMBOL_NAME(__ ## cond ## sf2) SEPARATOR \
cmp r0, #0 SEPARATOR \
b ## cond 1f SEPARATOR \
mov r0, #0 SEPARATOR \
pop { r4, pc } SEPARATOR \
1: SEPARATOR \
mov r0, #1 SEPARATOR \
pop { r4, pc }
DEFINE_AEABI_FCMP(eq)
DEFINE_AEABI_FCMP(lt)
DEFINE_AEABI_FCMP(le)
DEFINE_AEABI_FCMP(ge)
DEFINE_AEABI_FCMP(gt)

2
compiler-rt/lib/comparedf2.c
View File

@@ -106,6 +106,8 @@ enum GE_RESULT __gedf2(fp_t a, fp_t b) {
}
}
ARM_EABI_FNALIAS(dcmpun, unorddf2)
int __unorddf2(fp_t a, fp_t b) {
const rep_t aAbs = toRep(a) & absMask;
const rep_t bAbs = toRep(b) & absMask;

2
compiler-rt/lib/comparesf2.c
View File

@@ -106,6 +106,8 @@ enum GE_RESULT __gesf2(fp_t a, fp_t b) {
}
}
ARM_EABI_FNALIAS(fcmpun, unordsf2)
int __unordsf2(fp_t a, fp_t b) {
const rep_t aAbs = toRep(a) & absMask;
const rep_t bAbs = toRep(b) & absMask;