From: Caroline Concatto Date: Thu, 6 Oct 2022 11:38:42 +0000 (+0100) Subject: [AArch64] Add SME 2 target feature for Armv8-A and Armv9-A 2022 Architecture Extension X-Git-Tag: upstream/17.0.6~30707 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3ee96a26d59d57867a270ee82f16c3a36947a4fb;p=platform%2Fupstream%2Fllvm.git [AArch64] Add SME 2 target feature for Armv8-A and Armv9-A 2022 Architecture Extension First patch in a series adding MC layer support for Scalable Matrix Extension 2 (SME2). This patch adds the following feature: sme2 The 2022 Architecture Extension release adds other feature flags(eg.:sme2.1), that will be in follow-up patches. The reference can be found here: https://developer.arm.com/documentation/ddi0602/2022-09 Differential Revision: https://reviews.llvm.org/D135448 --- diff --git a/llvm/include/llvm/Support/AArch64TargetParser.def b/llvm/include/llvm/Support/AArch64TargetParser.def index 3dae2ac..b0745c3 100644 --- a/llvm/include/llvm/Support/AArch64TargetParser.def +++ b/llvm/include/llvm/Support/AArch64TargetParser.def @@ -146,6 +146,7 @@ AARCH64_ARCH_EXT_NAME("flagm", AArch64::AEK_FLAGM, "+flagm", AARCH64_ARCH_EXT_NAME("sme", AArch64::AEK_SME, "+sme", "-sme") AARCH64_ARCH_EXT_NAME("sme-f64", AArch64::AEK_SMEF64, "+sme-f64", "-sme-f64") AARCH64_ARCH_EXT_NAME("sme-i64", AArch64::AEK_SMEI64, "+sme-i64", "-sme-i64") +AARCH64_ARCH_EXT_NAME("sme2", AArch64::AEK_SME2, "+sme2", "-sme2") AARCH64_ARCH_EXT_NAME("hbc", AArch64::AEK_HBC, "+hbc", "-hbc") AARCH64_ARCH_EXT_NAME("mops", AArch64::AEK_MOPS, "+mops", "-mops") AARCH64_ARCH_EXT_NAME("pmuv3", AArch64::AEK_PERFMON, "+perfmon", "-perfmon") diff --git a/llvm/include/llvm/Support/AArch64TargetParser.h b/llvm/include/llvm/Support/AArch64TargetParser.h index 1065b85..acc3234 100644 --- a/llvm/include/llvm/Support/AArch64TargetParser.h +++ b/llvm/include/llvm/Support/AArch64TargetParser.h @@ -72,6 +72,7 @@ enum ArchExtKind : uint64_t { AEK_HBC = 1ULL << 40, // FEAT_HBC AEK_MOPS = 1ULL << 41, // FEAT_MOPS AEK_PERFMON = 1ULL << 42, // FEAT_PMUv3 + AEK_SME2 = 1ULL << 43, // FEAT_SME2 }; enum class ArchKind { diff --git a/llvm/lib/Target/AArch64/AArch64.td b/llvm/lib/Target/AArch64/AArch64.td index 51a8f95..efe0f9b 100644 --- a/llvm/lib/Target/AArch64/AArch64.td +++ b/llvm/lib/Target/AArch64/AArch64.td @@ -473,6 +473,9 @@ def FeatureSMEF64 : SubtargetFeature<"sme-f64", "HasSMEF64", "true", def FeatureSMEI64 : SubtargetFeature<"sme-i64", "HasSMEI64", "true", "Enable Scalable Matrix Extension (SME) I16I64 instructions (FEAT_SME_I16I64)", [FeatureSME]>; +def FeatureSME2 : SubtargetFeature<"sme2", "HasSME2", "true", + "Enable Scalable Matrix Extension 2 (SME2) instructions", [FeatureSME]>; + def FeatureAppleA7SysReg : SubtargetFeature<"apple-a7-sysreg", "HasAppleA7SysReg", "true", "Apple A7 (the CPU formerly known as Cyclone)">; @@ -642,7 +645,7 @@ def PAUnsupported : AArch64Unsupported { } def SMEUnsupported : AArch64Unsupported { - let F = [HasSME, HasSMEF64, HasSMEI64]; + let F = [HasSME, HasSMEF64, HasSMEI64, HasSME2]; } include "AArch64SchedA53.td" diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.td b/llvm/lib/Target/AArch64/AArch64InstrInfo.td index e7da823..fab471a 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.td +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.td @@ -142,6 +142,8 @@ def HasSMEF64 : Predicate<"Subtarget->hasSMEF64()">, AssemblerPredicateWithAll<(all_of FeatureSMEF64), "sme-f64">; def HasSMEI64 : Predicate<"Subtarget->hasSMEI64()">, AssemblerPredicateWithAll<(all_of FeatureSMEI64), "sme-i64">; +def HasSME2 : Predicate<"Subtarget->hasSME2()">, + AssemblerPredicate<(all_of FeatureSME2), "sme2">; // A subset of SVE(2) instructions are legal in Streaming SVE execution mode, // they should be enabled if either has been specified. def HasSVEorSME diff --git a/llvm/lib/Target/AArch64/AArch64SchedA64FX.td b/llvm/lib/Target/AArch64/AArch64SchedA64FX.td index 8b0b844..dec56e7 100644 --- a/llvm/lib/Target/AArch64/AArch64SchedA64FX.td +++ b/llvm/lib/Target/AArch64/AArch64SchedA64FX.td @@ -22,7 +22,7 @@ def A64FXModel : SchedMachineModel { list UnsupportedFeatures = [HasSVE2, HasSVE2AES, HasSVE2SM4, HasSVE2SHA3, HasSVE2BitPerm, HasPAuth, - HasSVE2orSME, HasMTE, HasMatMulInt8, HasBF16]; + HasSVE2orSME, HasMTE, HasMatMulInt8, HasBF16, HasSME2]; let FullInstRWOverlapCheck = 0; } diff --git a/llvm/lib/Target/AArch64/AArch64SchedThunderX3T110.td b/llvm/lib/Target/AArch64/AArch64SchedThunderX3T110.td index 5b1e9b5..b7d337d 100644 --- a/llvm/lib/Target/AArch64/AArch64SchedThunderX3T110.td +++ b/llvm/lib/Target/AArch64/AArch64SchedThunderX3T110.td @@ -26,6 +26,7 @@ def ThunderX3T110Model : SchedMachineModel { list UnsupportedFeatures = !listconcat(SVEUnsupported.F, PAUnsupported.F, + SMEUnsupported.F, [HasMTE]); // FIXME: Remove when all errors have been fixed. let FullInstRWOverlapCheck = 0; diff --git a/llvm/test/MC/AArch64/SME2/feature-sme2-implies-sme.s b/llvm/test/MC/AArch64/SME2/feature-sme2-implies-sme.s new file mode 100644 index 0000000..290da41 --- /dev/null +++ b/llvm/test/MC/AArch64/SME2/feature-sme2-implies-sme.s @@ -0,0 +1,8 @@ +// This test verifies SME2 implies SME. + +// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sme2 2>&1 < %s \ +// RUN: | FileCheck %s + +addha za0.s, p0/m, p0/m, z0.s +// CHECK-NOT: instruction requires: sme +// CHECK: addha za0.s, p0/m, p0/m, z0.s diff --git a/llvm/unittests/Support/TargetParserTest.cpp b/llvm/unittests/Support/TargetParserTest.cpp index 06008ee..4308d25 100644 --- a/llvm/unittests/Support/TargetParserTest.cpp +++ b/llvm/unittests/Support/TargetParserTest.cpp @@ -1504,7 +1504,8 @@ TEST(TargetParserTest, AArch64ExtensionFeatures) { AArch64::AEK_F64MM, AArch64::AEK_TME, AArch64::AEK_LS64, AArch64::AEK_BRBE, AArch64::AEK_PAUTH, AArch64::AEK_FLAGM, AArch64::AEK_SME, AArch64::AEK_SMEF64, AArch64::AEK_SMEI64, - AArch64::AEK_HBC, AArch64::AEK_MOPS, AArch64::AEK_PERFMON}; + AArch64::AEK_SME2, AArch64::AEK_HBC, AArch64::AEK_MOPS, + AArch64::AEK_PERFMON}; std::vector Features; @@ -1561,6 +1562,7 @@ TEST(TargetParserTest, AArch64ExtensionFeatures) { EXPECT_TRUE(llvm::is_contained(Features, "+sme")); EXPECT_TRUE(llvm::is_contained(Features, "+sme-f64")); EXPECT_TRUE(llvm::is_contained(Features, "+sme-i64")); + EXPECT_TRUE(llvm::is_contained(Features, "+sme2")); EXPECT_TRUE(llvm::is_contained(Features, "+hbc")); EXPECT_TRUE(llvm::is_contained(Features, "+mops")); EXPECT_TRUE(llvm::is_contained(Features, "+perfmon")); @@ -1639,6 +1641,7 @@ TEST(TargetParserTest, AArch64ArchExtFeature) { {"sme", "nosme", "+sme", "-sme"}, {"sme-f64", "nosme-f64", "+sme-f64", "-sme-f64"}, {"sme-i64", "nosme-i64", "+sme-i64", "-sme-i64"}, + {"sme2", "nosme2", "+sme2", "-sme2"}, {"hbc", "nohbc", "+hbc", "-hbc"}, {"mops", "nomops", "+mops", "-mops"}, {"pmuv3", "nopmuv3", "+perfmon", "-perfmon"},