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[AArch64] Add RAS extensions support in AArch64TargetParser. 

RAS extensions are part of ARMv8.2,now supported in Clang.
Add RAS extensions support in AArch64TargetParser.

llvm-svn: 272533
This commit is contained in:
Zijiao Ma 2016-06-13 05:27:58 +00:00
parent fc07498e4a
commit 5ee4982931
3 changed files with 7 additions and 2 deletions
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4
llvm/include/llvm/Support/AArch64TargetParser.def
View File

@ -27,7 +27,8 @@ AARCH64_ARCH("armv8.1-a", AK_ARMV8_1A, "8.1-A", "v8.1a",
AARCH64_ARCH("armv8.2-a", AK_ARMV8_2A, "8.2-A", "v8.2a",
ARMBuildAttrs::CPUArch::v8_A, FK_CRYPTO_NEON_FP_ARMV8,
(AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
AArch64::AEK_SIMD | AArch64::AEK_FP16 | AArch64::AEK_PROFILE))
AArch64::AEK_SIMD | AArch64::AEK_FP16 | AArch64::AEK_PROFILE |
AArch64::AEK_RAS))
#undef AARCH64_ARCH
#ifndef AARCH64_ARCH_EXT_NAME
@ -42,6 +43,7 @@ AARCH64_ARCH_EXT_NAME("fp", AArch64::AEK_FP, "+fp-armv8", "-fp-armv
AARCH64_ARCH_EXT_NAME("simd", AArch64::AEK_SIMD, "+neon", "-neon")
AARCH64_ARCH_EXT_NAME("fp16", AArch64::AEK_FP16, "+fullfp16", "-fullfp16")
AARCH64_ARCH_EXT_NAME("profile", AArch64::AEK_PROFILE, "+spe", "-spe")
AARCH64_ARCH_EXT_NAME("ras", AArch64::AEK_RAS, "+ras", "-ras")
#undef AARCH64_ARCH_EXT_NAME
#ifndef AARCH64_CPU_NAME

3
llvm/include/llvm/Support/TargetParser.h
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@ -154,7 +154,8 @@ enum ArchExtKind : unsigned {
AEK_FP = 0x8,
AEK_SIMD = 0x10,
AEK_FP16 = 0x20,
AEK_PROFILE = 0x40
AEK_PROFILE = 0x40,
AEK_RAS = 0x80
};
StringRef getCanonicalArchName(StringRef Arch);

2
llvm/lib/Support/TargetParser.cpp
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@ -439,6 +439,8 @@ bool llvm::AArch64::getExtensionFeatures(unsigned Extensions,
Features.push_back("+fullfp16");
if (Extensions & AArch64::AEK_PROFILE)
Features.push_back("+spe");
if (Extensions & AArch64::AEK_RAS)
Features.push_back("+ras");
return true;
}