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[AArch64, ARM] Add v8.1a architecture and generic cpu

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New architecture and cpu added, following http://community.arm.com/groups/processors/blog/2014/12/02/the-armv8-a-architecture-and-its-ongoing-development

Reviewers: t.p.northover

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8505


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233290 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vladimir Sukharev
2015-03-26 17:05:54 +00:00
parent 5de4af6195
commit 27d12f3e6e
16 changed files with 92 additions and 7 deletions
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2
lib/Target/ARM/MCTargetDesc/ARMArchName.def
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@@ -44,6 +44,8 @@ ARM_ARCH_NAME("armv7-m", ARMV7M, "7-M", v7)
ARM_ARCH_ALIAS("armv7m", ARMV7M)
ARM_ARCH_NAME("armv8-a", ARMV8A, "8-A", v8)
ARM_ARCH_ALIAS("armv8a", ARMV8A)
ARM_ARCH_NAME("armv8.1-a", ARMV8_1A, "8.1-A", v8)
ARM_ARCH_ALIAS("armv8.1a", ARMV8_1A)
ARM_ARCH_NAME("iwmmxt", IWMMXT, "iwmmxt", v5TE)
ARM_ARCH_NAME("iwmmxt2", IWMMXT2, "iwmmxt2", v5TE)

6
lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
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@@ -817,6 +817,7 @@ void ARMTargetELFStreamer::emitArchDefaultAttributes() {
break;
case ARM::ARMV8A:
case ARM::ARMV8_1A:
setAttributeItem(CPU_arch_profile, ApplicationProfile, false);
setAttributeItem(ARM_ISA_use, Allowed, false);
setAttributeItem(THUMB_ISA_use, AllowThumb32, false);
@@ -914,9 +915,8 @@ void ARMTargetELFStreamer::emitFPUDefaultAttributes() {
setAttributeItem(ARMBuildAttrs::FP_arch,
ARMBuildAttrs::AllowFPARMv8A,
/* OverwriteExisting= */ false);
setAttributeItem(ARMBuildAttrs::Advanced_SIMD_arch,
ARMBuildAttrs::AllowNeonARMv8,
/* OverwriteExisting= */ false);
// 'Advanced_SIMD_arch' must be emitted not here, but within
// ARMAsmPrinter::emitAttributes(), depending on hasV8Ops() and hasV8_1a()
break;
case ARM::SOFTVFP:

11
lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
View File

@@ -153,6 +153,17 @@ std::string ARM_MC::ParseARMTriple(StringRef TT, StringRef CPU) {
// Use CPU to figure out the exact features
ARMArchFeature = "+v8";
break;
case Triple::ARMSubArch_v8_1a:
if (NoCPU)
// v8.1a: FeatureDB, FeatureFPARMv8, FeatureNEON, FeatureDSPThumb2,
// FeatureMP, FeatureHWDiv, FeatureHWDivARM, FeatureTrustZone,
// FeatureT2XtPk, FeatureCrypto, FeatureCRC, FeatureV8_1a
ARMArchFeature = "+v8.1a,+db,+fp-armv8,+neon,+t2dsp,+mp,+hwdiv,+hwdiv-arm,"
"+trustzone,+t2xtpk,+crypto,+crc";
else
// Use CPU to figure out the exact features
ARMArchFeature = "+v8.1a";
break;
case Triple::ARMSubArch_v7m:
isThumb = true;
if (NoCPU)