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[ARM] add target arch definitions for 8.1-M and MVE

Browse Source 
This adds:
- LLVM subtarget features to make all the new instructions conditional on,
- CPU and FPU names for use on clang's command line, with default FPUs set
  so that "armv8.1-m.main+fp" and "armv8.1-m.main+fp.dp" will select the right
  FPU features,
- architecture extension names "mve" and "mve.fp",
- ABI build attribute support for v8.1-M (a new value for Tag_CPU_arch) and MVE
  (a new actual tag).

Patch mostly by Simon Tatham.

Differential Revision: https://reviews.llvm.org/D60698

llvm-svn: 362090
This commit is contained in:
Sjoerd Meijer 2019-05-30 12:57:04 +00:00
parent 0460106c08
commit aa77024491
17 changed files with 154 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/llvm/ADT/Triple.h
View File

@ -109,6 +109,7 @@ public:
ARMSubArch_v8r,
ARMSubArch_v8m_baseline,
ARMSubArch_v8m_mainline,
ARMSubArch_v8_1m_mainline,
ARMSubArch_v7,
ARMSubArch_v7em,
ARMSubArch_v7m,

2
include/llvm/Support/ARMAttributeParser.h
View File

@ -53,6 +53,8 @@ class ARMAttributeParser {
uint32_t &Offset);
void Advanced_SIMD_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void MVE_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void PCS_config(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_PCS_R9_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,

6
include/llvm/Support/ARMBuildAttributes.h
View File

@ -67,6 +67,7 @@ enum AttrType {
MPextension_use = 42, // recoded from 70 (ABI r2.08)
DIV_use = 44,
DSP_extension = 46,
MVE_arch = 48,
also_compatible_with = 65,
conformance = 67,
Virtualization_use = 68,
@ -110,6 +111,7 @@ enum CPUArch {
v8_R = 15, // e.g. Cortex R52
v8_M_Base= 16, // v8_M_Base AArch32
v8_M_Main= 17, // v8_M_Main AArch32
v8_1_M_Main=21, // v8_1_M_Main AArch32
};
enum CPUArchProfile { // (=7), uleb128
@ -151,6 +153,10 @@ enum {
AllowNeonARMv8 = 3, // ARM v8-A SIMD was permitted
AllowNeonARMv8_1a = 4,// ARM v8.1-A SIMD was permitted (RDMA)
// Tag_MVE_arch, (=48), uleb128
AllowMVEInteger = 1, // integer-only MVE was permitted
AllowMVEIntegerAndFloat = 2, // both integer and floating point MVE were permitted
// Tag_ABI_PCS_R9_use, (=14), uleb128
R9IsGPR = 0, // R9 used as v6 (just another callee-saved register)
R9IsSB = 1, // R9 used as a global static base rgister

6
include/llvm/Support/ARMTargetParser.def
View File

@ -31,6 +31,8 @@ ARM_FPU("fpv4-sp-d16", FK_FPV4_SP_D16, FPUVersion::VFPV4, NeonSupportLevel::None
ARM_FPU("fpv5-d16", FK_FPV5_D16, FPUVersion::VFPV5, NeonSupportLevel::None, FPURestriction::D16)
ARM_FPU("fpv5-sp-d16", FK_FPV5_SP_D16, FPUVersion::VFPV5, NeonSupportLevel::None, FPURestriction::SP_D16)
ARM_FPU("fp-armv8", FK_FP_ARMV8, FPUVersion::VFPV5, NeonSupportLevel::None, FPURestriction::None)
ARM_FPU("fp-armv8-fullfp16-d16", FK_FP_ARMV8_FULLFP16_D16, FPUVersion::VFPV5_FULLFP16, NeonSupportLevel::None, FPURestriction::D16)
ARM_FPU("fp-armv8-fullfp16-sp-d16", FK_FP_ARMV8_FULLFP16_SP_D16, FPUVersion::VFPV5_FULLFP16, NeonSupportLevel::None, FPURestriction::SP_D16)
ARM_FPU("neon", FK_NEON, FPUVersion::VFPV3, NeonSupportLevel::Neon, FPURestriction::None)
ARM_FPU("neon-fp16", FK_NEON_FP16, FPUVersion::VFPV3_FP16, NeonSupportLevel::Neon, FPURestriction::None)
ARM_FPU("neon-vfpv4", FK_NEON_VFPV4, FPUVersion::VFPV4, NeonSupportLevel::Neon, FPURestriction::None)
@ -118,6 +120,8 @@ ARM_ARCH("armv8-m.base", ARMV8MBaseline, "8-M.Baseline", "v8m.base",
ARMBuildAttrs::CPUArch::v8_M_Base, FK_NONE, ARM::AEK_HWDIVTHUMB)
ARM_ARCH("armv8-m.main", ARMV8MMainline, "8-M.Mainline", "v8m.main",
ARMBuildAttrs::CPUArch::v8_M_Main, FK_FPV5_D16, ARM::AEK_HWDIVTHUMB)
ARM_ARCH("armv8.1-m.main", ARMV8_1MMainline, "8.1-M.Mainline", "v8.1m.main",
ARMBuildAttrs::CPUArch::v8_1_M_Main, FK_FP_ARMV8_FULLFP16_SP_D16, ARM::AEK_HWDIVTHUMB | ARM::AEK_RAS)
// Non-standard Arch names.
ARM_ARCH("iwmmxt", IWMMXT, "iwmmxt", "", ARMBuildAttrs::CPUArch::v5TE,
FK_NONE, ARM::AEK_NONE)
@ -144,6 +148,8 @@ ARM_ARCH_EXT_NAME("aes", ARM::AEK_AES, "+aes", "-aes")
ARM_ARCH_EXT_NAME("dotprod", ARM::AEK_DOTPROD, "+dotprod","-dotprod")
ARM_ARCH_EXT_NAME("dsp", ARM::AEK_DSP, "+dsp", "-dsp")
ARM_ARCH_EXT_NAME("fp", ARM::AEK_FP, nullptr, nullptr)
ARM_ARCH_EXT_NAME("mve", ARM::AEK_SIMD, "+mve", "-mve")
ARM_ARCH_EXT_NAME("mve.fp", (ARM::AEK_SIMD | ARM::AEK_FP), "+mve.fp", "-mve.fp")
ARM_ARCH_EXT_NAME("idiv", (ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB), nullptr, nullptr)
ARM_ARCH_EXT_NAME("mp", ARM::AEK_MP, nullptr, nullptr)
ARM_ARCH_EXT_NAME("simd", ARM::AEK_SIMD, nullptr, nullptr)

4
include/llvm/Support/ARMTargetParser.h
View File

@ -50,6 +50,7 @@ enum ArchExtKind : unsigned {
AEK_SVE2SM4 = 1 << 21,
AEK_SVE2SHA3 = 1 << 22,
AEK_BITPERM = 1 << 23,
AEK_FP_DP = 1 << 24,
// Unsupported extensions.
AEK_OS = 0x8000000,
AEK_IWMMXT = 0x10000000,
@ -131,7 +132,8 @@ enum class FPUVersion {
VFPV3,
VFPV3_FP16,
VFPV4,
VFPV5
VFPV5,
VFPV5_FULLFP16,
};
// An FPU name restricts the FPU in one of three ways:

18
lib/Object/ELFObjectFile.cpp
View File

@ -230,6 +230,24 @@ SubtargetFeatures ELFObjectFileBase::getARMFeatures() const {
}
}
if (Attributes.hasAttribute(ARMBuildAttrs::MVE_arch)) {
switch(Attributes.getAttributeValue(ARMBuildAttrs::MVE_arch)) {
default:
break;
case ARMBuildAttrs::Not_Allowed:
Features.AddFeature("mve", false);
Features.AddFeature("mve.fp", false);
break;
case ARMBuildAttrs::AllowMVEInteger:
Features.AddFeature("mve.fp", false);
Features.AddFeature("mve");
break;
case ARMBuildAttrs::AllowMVEIntegerAndFloat:
Features.AddFeature("mve.fp");
break;
}
}
if (Attributes.hasAttribute(ARMBuildAttrs::DIV_use)) {
switch(Attributes.getAttributeValue(ARMBuildAttrs::DIV_use)) {
default:

17
lib/Support/ARMAttributeParser.cpp
View File

@ -37,6 +37,7 @@ ARMAttributeParser::DisplayRoutines[] = {
ATTRIBUTE_HANDLER(FP_arch),
ATTRIBUTE_HANDLER(WMMX_arch),
ATTRIBUTE_HANDLER(Advanced_SIMD_arch),
ATTRIBUTE_HANDLER(MVE_arch),
ATTRIBUTE_HANDLER(PCS_config),
ATTRIBUTE_HANDLER(ABI_PCS_R9_use),
ATTRIBUTE_HANDLER(ABI_PCS_RW_data),
@ -132,7 +133,9 @@ void ARMAttributeParser::CPU_arch(AttrType Tag, const uint8_t *Data,
static const char *const Strings[] = {
"Pre-v4", "ARM v4", "ARM v4T", "ARM v5T", "ARM v5TE", "ARM v5TEJ", "ARM v6",
"ARM v6KZ", "ARM v6T2", "ARM v6K", "ARM v7", "ARM v6-M", "ARM v6S-M",
"ARM v7E-M", "ARM v8"
"ARM v7E-M", "ARM v8", nullptr,
"ARM v8-M Baseline", "ARM v8-M Mainline", nullptr, nullptr, nullptr,
"ARM v8.1-M Mainline"
};
uint64_t Value = ParseInteger(Data, Offset);
@ -213,6 +216,18 @@ void ARMAttributeParser::Advanced_SIMD_arch(AttrType Tag, const uint8_t *Data,
PrintAttribute(Tag, Value, ValueDesc);
}
void ARMAttributeParser::MVE_arch(AttrType Tag, const uint8_t *Data,
uint32_t &Offset) {
static const char *const Strings[] = {
"Not Permitted", "MVE integer", "MVE integer and float"
};
uint64_t Value = ParseInteger(Data, Offset);
StringRef ValueDesc =
(Value < array_lengthof(Strings)) ? Strings[Value] : nullptr;
PrintAttribute(Tag, Value, ValueDesc);
}
void ARMAttributeParser::PCS_config(AttrType Tag, const uint8_t *Data,
uint32_t &Offset) {
static const char *const Strings[] = {

1
lib/Support/ARMBuildAttrs.cpp
View File

@ -28,6 +28,7 @@ const struct {
{ ARMBuildAttrs::FP_arch, "Tag_FP_arch" },
{ ARMBuildAttrs::WMMX_arch, "Tag_WMMX_arch" },
{ ARMBuildAttrs::Advanced_SIMD_arch, "Tag_Advanced_SIMD_arch" },
{ ARMBuildAttrs::MVE_arch, "Tag_MVE_arch" },
{ ARMBuildAttrs::PCS_config, "Tag_PCS_config" },
{ ARMBuildAttrs::ABI_PCS_R9_use, "Tag_ABI_PCS_R9_use" },
{ ARMBuildAttrs::ABI_PCS_RW_data, "Tag_ABI_PCS_RW_data" },

7
lib/Support/ARMTargetParser.cpp
View File

@ -77,6 +77,7 @@ unsigned ARM::parseArchVersion(StringRef Arch) {
case ArchKind::ARMV8R:
case ArchKind::ARMV8MBaseline:
case ArchKind::ARMV8MMainline:
case ArchKind::ARMV8_1MMainline:
return 8;
case ArchKind::INVALID:
return 0;
@ -93,6 +94,7 @@ ARM::ProfileKind ARM::parseArchProfile(StringRef Arch) {
case ArchKind::ARMV7EM:
case ArchKind::ARMV8MMainline:
case ArchKind::ARMV8MBaseline:
case ArchKind::ARMV8_1MMainline:
return ProfileKind::M;
case ArchKind::ARMV7R:
case ArchKind::ARMV8R:
@ -151,6 +153,7 @@ StringRef ARM::getArchSynonym(StringRef Arch) {
.Case("v8r", "v8-r")
.Case("v8m.base", "v8-m.base")
.Case("v8m.main", "v8-m.main")
.Case("v8.1m.main", "v8.1-m.main")
.Default(Arch);
}
@ -164,6 +167,10 @@ bool ARM::getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features) {
// higher. We also have to make sure to disable fp16 when vfp4 is disabled,
// as +vfp4 implies +fp16 but -vfp4 does not imply -fp16.
switch (FPUNames[FPUKind].FPUVer) {
case FPUVersion::VFPV5_FULLFP16:
Features.push_back("+fp-armv8");
Features.push_back("+fullfp16");
break;
case FPUVersion::VFPV5:
Features.push_back("+fp-armv8");
break;

2
lib/Support/Triple.cpp
View File

@ -625,6 +625,8 @@ static Triple::SubArchType parseSubArch(StringRef SubArchName) {
return Triple::ARMSubArch_v8m_baseline;
case ARM::ArchKind::ARMV8MMainline:
return Triple::ARMSubArch_v8m_mainline;
case ARM::ArchKind::ARMV8_1MMainline:
return Triple::ARMSubArch_v8_1m_mainline;
default:
return Triple::NoSubArch;
}

24
lib/Target/ARM/ARM.td
View File

@ -498,6 +498,19 @@ def HasV8_5aOps : SubtargetFeature<"v8.5a", "HasV8_5aOps", "true",
"Support ARM v8.5a instructions",
[HasV8_4aOps, FeatureSB]>;
def HasV8_1MMainlineOps : SubtargetFeature<
"v8.1m.main", "HasV8_1MMainlineOps", "true",
"Support ARM v8-1M Mainline instructions",
[HasV8MMainlineOps]>;
def HasMVEIntegerOps : SubtargetFeature<
"mve", "HasMVEIntegerOps", "true",
"Support M-Class Vector Extension with integer ops",
[HasV8_1MMainlineOps, FeatureDSP, FeatureFPRegs16, FeatureFPRegs64]>;
def HasMVEFloatOps : SubtargetFeature<
"mve.fp", "HasMVEFloatOps", "true",
"Support M-Class Vector Extension with integer and floating ops",
[HasMVEIntegerOps, FeatureFPARMv8_D16_SP, FeatureFullFP16]>;
//===----------------------------------------------------------------------===//
// ARM Processor subtarget features.
//
@ -783,6 +796,17 @@ def ARMv8mMainline : Architecture<"armv8-m.main", "ARMv8mMainline",
FeatureAcquireRelease,
FeatureMClass]>;
def ARMv81mMainline : Architecture<"armv8.1-m.main", "ARMv81mMainline",
[HasV8_1MMainlineOps,
FeatureNoARM,
ModeThumb,
FeatureDB,
FeatureHWDivThumb,
Feature8MSecExt,
FeatureAcquireRelease,
FeatureMClass,
FeatureRAS]>;
// Aliases
def IWMMXT : Architecture<"iwmmxt", "ARMv5te", [ARMv5te]>;
def IWMMXT2 : Architecture<"iwmmxt2", "ARMv5te", [ARMv5te]>;

12
lib/Target/ARM/ARMPredicates.td
View File

@ -26,6 +26,15 @@ def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">,
def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">,
AssemblerPredicate<"HasV8MMainlineOps",
"armv8m.main">;
def HasV8_1MMainline : Predicate<"Subtarget->hasV8_1MMainlineOps()">,
AssemblerPredicate<"HasV8_1MMainlineOps",
"armv8.1m.main">;
def HasMVEInt : Predicate<"Subtarget->hasMVEIntegerOps()">,
AssemblerPredicate<"HasMVEIntegerOps",
"mve">;
def HasMVEFloat : Predicate<"Subtarget->hasMVEFloatOps()">,
AssemblerPredicate<"HasMVEFloatOps",
"mve.fp">;
def HasFPRegs : Predicate<"Subtarget->hasFPRegs()">,
AssemblerPredicate<"FeatureFPRegs",
"fp registers">;
@ -35,6 +44,9 @@ def HasFPRegs16 : Predicate<"Subtarget->hasFPRegs16()">,
def HasFPRegs64 : Predicate<"Subtarget->hasFPRegs64()">,
AssemblerPredicate<"FeatureFPRegs64",
"64-bit fp registers">;
def HasFPRegsV8_1M : Predicate<"Subtarget->hasFPRegs() && Subtarget->hasV8_1MMainlineOps()">,
AssemblerPredicate<"FeatureFPRegs,HasV8_1MMainlineOps",
"armv8.1m.main with FP or MVE">;
def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;

9
lib/Target/ARM/ARMSubtarget.h
View File

@ -110,7 +110,8 @@ protected:
ARMv8a,
ARMv8mBaseline,
ARMv8mMainline,
ARMv8r
ARMv8r,
ARMv81mMainline,
};
public:
@ -157,6 +158,9 @@ protected:
bool HasV8_5aOps = false;
bool HasV8MBaselineOps = false;
bool HasV8MMainlineOps = false;
bool HasV8_1MMainlineOps = false;
bool HasMVEIntegerOps = false;
bool HasMVEFloatOps = false;
/// HasVFPv2, HasVFPv3, HasVFPv4, HasFPARMv8, HasNEON - Specify what
/// floating point ISAs are supported.
@ -569,6 +573,9 @@ public:
bool hasV8_5aOps() const { return HasV8_5aOps; }
bool hasV8MBaselineOps() const { return HasV8MBaselineOps; }
bool hasV8MMainlineOps() const { return HasV8MMainlineOps; }
bool hasV8_1MMainlineOps() const { return HasV8_1MMainlineOps; }
bool hasMVEIntegerOps() const { return HasMVEIntegerOps; }
bool hasMVEFloatOps() const { return HasMVEFloatOps; }
bool hasFPRegs() const { return HasFPRegs; }
bool hasFPRegs16() const { return HasFPRegs16; }
bool hasFPRegs64() const { return HasFPRegs64; }

9
lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp
View File

@ -124,7 +124,9 @@ static ARMBuildAttrs::CPUArch getArchForCPU(const MCSubtargetInfo &STI) {
if (STI.hasFeature(ARM::FeatureRClass))
return ARMBuildAttrs::v8_R;
return ARMBuildAttrs::v8_A;
} else if (STI.hasFeature(ARM::HasV8MMainlineOps))
} else if (STI.hasFeature(ARM::HasV8_1MMainlineOps))
return ARMBuildAttrs::v8_1_M_Main;
else if (STI.hasFeature(ARM::HasV8MMainlineOps))
return ARMBuildAttrs::v8_M_Main;
else if (STI.hasFeature(ARM::HasV7Ops)) {
if (STI.hasFeature(ARM::FeatureMClass) && STI.hasFeature(ARM::FeatureDSP))
@ -262,6 +264,11 @@ void ARMTargetStreamer::emitTargetAttributes(const MCSubtargetInfo &STI) {
if (STI.hasFeature(ARM::FeatureMP))
emitAttribute(ARMBuildAttrs::MPextension_use, ARMBuildAttrs::AllowMP);
if (STI.hasFeature(ARM::HasMVEFloatOps))
emitAttribute(ARMBuildAttrs::MVE_arch, ARMBuildAttrs::AllowMVEIntegerAndFloat);
else if (STI.hasFeature(ARM::HasMVEIntegerOps))
emitAttribute(ARMBuildAttrs::MVE_arch, ARMBuildAttrs::AllowMVEInteger);
// Hardware divide in ARM mode is part of base arch, starting from ARMv8.
// If only Thumb hwdiv is present, it must also be in base arch (ARMv7-R/M).
// It is not possible to produce DisallowDIV: if hwdiv is present in the base

9
test/CodeGen/ARM/build-attributes.ll
View File

@ -240,6 +240,9 @@
; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m33 -mattr=+strict-align | FileCheck %s --check-prefix=STRICT-ALIGN
; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m35p | FileCheck %s --check-prefix=NO-STRICT-ALIGN
; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m35p -mattr=+strict-align | FileCheck %s --check-prefix=STRICT-ALIGN
; RUN: llc < %s -mtriple=thumbv8.1m.main-none-none-eabi | FileCheck %s --check-prefix=ARMv81M-MAIN
; RUN: llc < %s -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve | FileCheck %s --check-prefix=ARMv81M-MAIN-MVEINT
; RUN: llc < %s -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp | FileCheck %s --check-prefix=ARMv81M-MAIN-MVEFP
; CPU-SUPPORTED-NOT: is not a recognized processor for this target
@ -1769,6 +1772,12 @@
; ARMv8R: .eabi_attribute 38, 1 @ Tag_ABI_FP_16bit_format
; ARMv8R: .eabi_attribute 14, 0 @ Tag_ABI_PCS_R9_use
; ARMv81M-MAIN: .eabi_attribute 6, 21 @ Tag_CPU_arch
; ARMv81M-MAIN-NOT: .eabi_attribute 48
; ARMv81M-MAIN-MVEINT: .eabi_attribute 6, 21 @ Tag_CPU_arch
; ARMv81M-MAIN-MVEINT: .eabi_attribute 48, 1 @ Tag_MVE_arch
; ARMv81M-MAIN-MVEFP: .eabi_attribute 6, 21 @ Tag_CPU_arch
; ARMv81M-MAIN-MVEFP: .eabi_attribute 48, 2 @ Tag_MVE_arch
define i32 @f(i64 %z) {
ret i32 0
}

20
unittests/Support/ARMAttributeParser.cpp
View File

@ -75,6 +75,16 @@ TEST(CPUArchBuildAttr, testBuildAttr) {
ARMBuildAttrs::v6S_M));
EXPECT_TRUE(testBuildAttr(6, 13, ARMBuildAttrs::CPU_arch,
ARMBuildAttrs::v7E_M));
EXPECT_TRUE(testBuildAttr(6, 14, ARMBuildAttrs::CPU_arch,
ARMBuildAttrs::v8_A));
EXPECT_TRUE(testBuildAttr(6, 15, ARMBuildAttrs::CPU_arch,
ARMBuildAttrs::v8_R));
EXPECT_TRUE(testBuildAttr(6, 16, ARMBuildAttrs::CPU_arch,
ARMBuildAttrs::v8_M_Base));
EXPECT_TRUE(testBuildAttr(6, 17, ARMBuildAttrs::CPU_arch,
ARMBuildAttrs::v8_M_Main));
EXPECT_TRUE(testBuildAttr(6, 21, ARMBuildAttrs::CPU_arch,
ARMBuildAttrs::v8_1_M_Main));
}
TEST(CPUArchProfileBuildAttr, testBuildAttr) {
@ -159,6 +169,16 @@ TEST(FPHPBuildAttr, testBuildAttr) {
ARMBuildAttrs::AllowHPFP));
}
TEST(MVEBuildAttr, testBuildAttr) {
EXPECT_TRUE(testTagString(48, "Tag_MVE_arch"));
EXPECT_TRUE(testBuildAttr(48, 0, ARMBuildAttrs::MVE_arch,
ARMBuildAttrs::Not_Allowed));
EXPECT_TRUE(testBuildAttr(48, 1, ARMBuildAttrs::MVE_arch,
ARMBuildAttrs::AllowMVEInteger));
EXPECT_TRUE(testBuildAttr(48, 2, ARMBuildAttrs::MVE_arch,
ARMBuildAttrs::AllowMVEIntegerAndFloat));
}
TEST(CPUAlignBuildAttr, testBuildAttr) {
EXPECT_TRUE(testTagString(34, "Tag_CPU_unaligned_access"));
EXPECT_TRUE(testBuildAttr(34, 0, ARMBuildAttrs::CPU_unaligned_access,

15
unittests/Support/TargetParserTest.cpp
View File

@ -27,7 +27,8 @@ const char *ARMArch[] = {
"armv8l", "armv8.1-a", "armv8.1a", "armv8.2-a", "armv8.2a",
"armv8.3-a", "armv8.3a", "armv8.4-a", "armv8.4a", "armv8.5-a",
"armv8.5a", "armv8-r", "armv8r", "armv8-m.base", "armv8m.base",
"armv8-m.main", "armv8m.main", "iwmmxt", "iwmmxt2", "xscale"
"armv8-m.main", "armv8m.main", "iwmmxt", "iwmmxt2", "xscale",
"armv8.1-m.main",
};
bool testARMCPU(StringRef CPUName, StringRef ExpectedArch,
@ -417,6 +418,9 @@ TEST(TargetParserTest, testARMArch) {
EXPECT_TRUE(
testARMArch("armv8-m.main", "generic", "v8m.main",
ARMBuildAttrs::CPUArch::v8_M_Main));
EXPECT_TRUE(
testARMArch("armv8.1-m.main", "generic", "v8.1m.main",
ARMBuildAttrs::CPUArch::v8_1_M_Main));
EXPECT_TRUE(
testARMArch("iwmmxt", "iwmmxt", "",
ARMBuildAttrs::CPUArch::v5TE));
@ -569,7 +573,7 @@ TEST(TargetParserTest, ARMExtensionFeatures) {
unsigned Extensions = ARM::AEK_CRC | ARM::AEK_CRYPTO | ARM::AEK_DSP |
ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB | ARM::AEK_MP |
ARM::AEK_SEC | ARM::AEK_VIRT | ARM::AEK_RAS | ARM::AEK_FP16 |
ARM::AEK_FP16FML;
ARM::AEK_FP16FML | ARM::AEK_FP_DP;
for (unsigned i = 0; i <= Extensions; i++)
EXPECT_TRUE(i == 0 ? !ARM::getExtensionFeatures(i, Features)
@ -605,7 +609,9 @@ TEST(TargetParserTest, ARMArchExtFeature) {
{"iwmmxt2", "noiwmmxt2", nullptr, nullptr},
{"maverick", "maverick", nullptr, nullptr},
{"xscale", "noxscale", nullptr, nullptr},
{"sb", "nosb", "+sb", "-sb"}};
{"sb", "nosb", "+sb", "-sb"},
{"mve", "nomve", "+mve", "-mve"},
{"mve.fp", "nomve.fp", "+mve.fp", "-mve.fp"}};
for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
EXPECT_EQ(StringRef(ArchExt[i][2]), ARM::getArchExtFeature(ArchExt[i][0]));
@ -628,7 +634,7 @@ TEST(TargetParserTest, ARMparseArchEndianAndISA) {
"v7", "v7a", "v7ve", "v7hl", "v7l", "v7-r", "v7r", "v7-m",
"v7m", "v7k", "v7s", "v7e-m", "v7em", "v8-a", "v8", "v8a",
"v8l", "v8.1-a", "v8.1a", "v8.2-a", "v8.2a", "v8.3-a", "v8.3a", "v8.4-a",
"v8.4a", "v8.5-a","v8.5a", "v8-r"
"v8.4a", "v8.5-a","v8.5a", "v8-r", "v8m.base", "v8m.main", "v8.1m.main"
};
for (unsigned i = 0; i < array_lengthof(Arch); i++) {
@ -677,6 +683,7 @@ TEST(TargetParserTest, ARMparseArchProfile) {
case ARM::ArchKind::ARMV7EM:
case ARM::ArchKind::ARMV8MMainline:
case ARM::ArchKind::ARMV8MBaseline:
case ARM::ArchKind::ARMV8_1MMainline:
EXPECT_EQ(ARM::ProfileKind::M, ARM::parseArchProfile(ARMArch[i]));
break;
case ARM::ArchKind::ARMV7R: