[RISCV] Add sifive-p450 CPU. (#75760)

This is an out of order core with no vector unit. More information:
https://www.sifive.com/cores/performance-p450-470

Scheduler model and other tuning will come in separate patches.
This commit is contained in:
Craig Topper
2023-12-20 09:52:02 -08:00
committed by GitHub
parent 7a87ff64e1
commit b03f0c596a
3 changed files with 42 additions and 2 deletions

View File

@@ -222,6 +222,27 @@
// MCPU-SIFIVE-X280-SAME: "-target-feature" "+zvl512b" "-target-feature" "+zvl64b"
// MCPU-SIFIVE-X280-SAME: "-target-abi" "lp64d"
// RUN: %clang -target riscv64 -### -c %s 2>&1 -mcpu=sifive-p450 | FileCheck -check-prefix=MCPU-SIFIVE-P450 %s
// MCPU-SIFIVE-P450: "-nostdsysteminc" "-target-cpu" "sifive-p450"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+m"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+a"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+f"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+d"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+c"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zicbom"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zicbop"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zicboz"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zicsr"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zifencei"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zihintntl"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zihintpause"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zihpm"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zfhmin"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zba"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zbb"
// MCPU-SIFIVE-P450-SAME: "-target-feature" "+zbs"
// MCPU-SIFIVE-P450-SAME: "-target-abi" "lp64d"
//
// Check failed cases
// RUN: not %clang --target=riscv32 -### -c %s 2>&1 -mcpu=generic-rv321 | FileCheck -check-prefix=FAIL-MCPU-NAME %s

View File

@@ -85,7 +85,7 @@
// RUN: not %clang_cc1 -triple riscv64 -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix RISCV64
// RISCV64: error: unknown target CPU 'not-a-cpu'
// RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1, xiangshan-nanhu{{$}}
// RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-p450, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1, xiangshan-nanhu{{$}}
// RUN: not %clang_cc1 -triple riscv32 -tune-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix TUNE-RISCV32
// TUNE-RISCV32: error: unknown target CPU 'not-a-cpu'
@@ -93,4 +93,4 @@
// RUN: not %clang_cc1 -triple riscv64 -tune-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix TUNE-RISCV64
// TUNE-RISCV64: error: unknown target CPU 'not-a-cpu'
// TUNE-RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1, xiangshan-nanhu, generic, rocket, sifive-7-series{{$}}
// TUNE-RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-p450, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1, xiangshan-nanhu, generic, rocket, sifive-7-series{{$}}

View File

@@ -216,6 +216,25 @@ def SIFIVE_X280 : RISCVProcessorModel<"sifive-x280", SiFive7Model,
[TuneSiFive7,
TuneDLenFactor2]>;
def SIFIVE_P450 : RISCVProcessorModel<"sifive-p450", NoSchedModel,
[Feature64Bit,
FeatureStdExtZifencei,
FeatureStdExtM,
FeatureStdExtA,
FeatureStdExtF,
FeatureStdExtD,
FeatureStdExtC,
FeatureStdExtZicbop,
FeatureStdExtZicbom,
FeatureStdExtZicboz,
FeatureStdExtZihintntl,
FeatureStdExtZihintpause,
FeatureStdExtZihpm,
FeatureStdExtZba,
FeatureStdExtZbb,
FeatureStdExtZbs,
FeatureStdExtZfhmin]>;
def SYNTACORE_SCR1_BASE : RISCVProcessorModel<"syntacore-scr1-base",
SyntacoreSCR1Model,
[Feature32Bit,