[clang] [llvm] [TargetParser] Define AEK_FCMA and AEK_JSCVT for tsv110 (PR #75516)

Qi Hu via llvm-commits llvm-commits at lists.llvm.org
Thu Dec 14 11:11:54 PST 2023


https://github.com/Qi-Hu created https://github.com/llvm/llvm-project/pull/75516

We define AEK_JSCVT and AEK_FCMA for CPU features FEAT_JSCVT and FEAT_FCMA respectively, and add them to the CpuInfo of tsv110.

>From 6a1ac6f738459658690e7436820292fc28397ee4 Mon Sep 17 00:00:00 2001
From: Qi Hu <qi.hu at huawei.com>
Date: Thu, 14 Dec 2023 13:35:52 -0500
Subject: [PATCH] [TargetParser] Define AEK_FCMA and AEK_JSCVT for tsv110

We define AEK_JSCVT and AEK_FCMA for CPU features FEAT_JSCVT and FEAT_FCMA
respectively, and add them to the CpuInfo of tsv110.
---
 clang/lib/Driver/ToolChains/Arch/AArch64.cpp         |  9 +++++++++
 clang/test/Driver/aarch64-complxnum.c                | 11 +++++++++++
 clang/test/Driver/aarch64-jsconv.c                   | 11 +++++++++++
 llvm/include/llvm/TargetParser/AArch64TargetParser.h |  9 ++++++---
 llvm/unittests/TargetParser/TargetParserTest.cpp     |  3 +++
 5 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 clang/test/Driver/aarch64-complxnum.c
 create mode 100644 clang/test/Driver/aarch64-jsconv.c

diff --git a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
index 912df79417ae21..2c26a12994ee1e 100644
--- a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
@@ -81,6 +81,15 @@ static bool DecodeAArch64Features(const Driver &D, StringRef text,
     else
       return false;
 
+    // +jsconv and +complxnum implies +neon and +fp-armv8
+    if (Feature == "jscvt" || Feature == "fcma") {
+      Features.push_back("+neon");
+      Features.push_back("+fp-armv8");
+    } else if (Feature == "nosimd" || Feature == "nofp") {
+      Features.push_back("-jsconv");
+      Features.push_back("-complxnum");
+    }
+
     // +sme implies +bf16.
     // +sme-f64f64 and +sme-i16i64 both imply +sme.
     if (Feature == "sme") {
diff --git a/clang/test/Driver/aarch64-complxnum.c b/clang/test/Driver/aarch64-complxnum.c
new file mode 100644
index 00000000000000..484e26ca8494ec
--- /dev/null
+++ b/clang/test/Driver/aarch64-complxnum.c
@@ -0,0 +1,11 @@
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.3-a+fcma -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-COMPLXNUM %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=generic+fcma -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-COMPLXNUM %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=tsv110 -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-COMPLXNUM %s
+// CHECK-COMPLXNUM: "-target-feature" "+complxnum"
+
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.3-a+nofcma -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOCOMPLXNUM %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=generic+nofcma -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOCOMPLXNUM %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=tsv110+nofcma -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOCOMPLXNUM %s
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.2-a+fcma+nofp -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOCOMPLXNUM %s
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.2-a+fcma+nosimd -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOCOMPLXNUM %s
+// CHECK-NOCOMPLXNUM: "-target-feature" "-complxnum"
diff --git a/clang/test/Driver/aarch64-jsconv.c b/clang/test/Driver/aarch64-jsconv.c
new file mode 100644
index 00000000000000..71cc7c9f4aee93
--- /dev/null
+++ b/clang/test/Driver/aarch64-jsconv.c
@@ -0,0 +1,11 @@
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.3-a+jscvt -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-JSCONV %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=generic+jscvt -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-JSCONV %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=tsv110 -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-JSCONV %s
+// CHECK-JSCONV: "-target-feature" "+jsconv"
+
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.3-a+nojscvt -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOJSCONV %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=generic+nojscvt -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOJSCONV %s
+// RUN: %clang -target aarch64-none-none-eabi -mcpu=tsv110+nojscvt -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOJSCONV %s
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.2-a+jscvt+nofp -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOJSCONV %s
+// RUN: %clang -target aarch64-none-none-eabi -march=armv8.2-a+jscvt+nosimd -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NOJSCONV %s
+// CHECK-NOJSCONV: "-target-feature" "-jsconv"
diff --git a/llvm/include/llvm/TargetParser/AArch64TargetParser.h b/llvm/include/llvm/TargetParser/AArch64TargetParser.h
index 56c32fae712cef..276bdf10751118 100644
--- a/llvm/include/llvm/TargetParser/AArch64TargetParser.h
+++ b/llvm/include/llvm/TargetParser/AArch64TargetParser.h
@@ -173,6 +173,8 @@ enum ArchExtKind : unsigned {
   AEK_SMEF8F16 =      69, // FEAT_SME_F8F16
   AEK_SMEF8F32 =      70, // FEAT_SME_F8F32
   AEK_SMEFA64 =       71, // FEAT_SME_FA64
+  AEK_JSCVT =         72, // FEAT_JSCVT
+  AEK_FCMA =          73, // FEAT_FCMA
   AEK_NUM_EXTENSIONS
 };
 using ExtensionBitset = Bitset<AEK_NUM_EXTENSIONS>;
@@ -218,7 +220,7 @@ inline constexpr ExtensionInfo Extensions[] = {
     {"ebf16", AArch64::AEK_NONE, {}, {}, FEAT_EBF16, "+bf16", 290},
     {"f32mm", AArch64::AEK_F32MM, "+f32mm", "-f32mm", FEAT_SVE_F32MM, "+sve,+f32mm,+fullfp16,+fp-armv8,+neon", 350},
     {"f64mm", AArch64::AEK_F64MM, "+f64mm", "-f64mm", FEAT_SVE_F64MM, "+sve,+f64mm,+fullfp16,+fp-armv8,+neon", 360},
-    {"fcma", AArch64::AEK_NONE, {}, {}, FEAT_FCMA, "+fp-armv8,+neon,+complxnum", 220},
+    {"fcma", AArch64::AEK_FCMA, "+complxnum", "-complxnum", FEAT_FCMA, "+fp-armv8,+neon,+complxnum", 220},
     {"flagm", AArch64::AEK_FLAGM, "+flagm", "-flagm", FEAT_FLAGM, "+flagm", 20},
     {"flagm2", AArch64::AEK_NONE, {}, {}, FEAT_FLAGM2, "+flagm,+altnzcv", 30},
     {"fp", AArch64::AEK_FP, "+fp-armv8", "-fp-armv8", FEAT_FP, "+fp-armv8,+neon", 90},
@@ -228,7 +230,7 @@ inline constexpr ExtensionInfo Extensions[] = {
     {"hbc", AArch64::AEK_HBC, "+hbc", "-hbc", FEAT_INIT, "", 0},
     {"i8mm", AArch64::AEK_I8MM, "+i8mm", "-i8mm", FEAT_I8MM, "+i8mm", 270},
     {"ite", AArch64::AEK_ITE, "+ite", "-ite", FEAT_INIT, "", 0},
-    {"jscvt", AArch64::AEK_NONE, {}, {}, FEAT_JSCVT, "+fp-armv8,+neon,+jsconv", 210},
+    {"jscvt", AArch64::AEK_JSCVT, "+jsconv", "-jsconv", FEAT_JSCVT, "+fp-armv8,+neon,+jsconv", 210},
     {"ls64_accdata", AArch64::AEK_NONE, {}, {}, FEAT_LS64_ACCDATA, "+ls64", 540},
     {"ls64_v", AArch64::AEK_NONE, {}, {}, FEAT_LS64_V, "", 530},
     {"ls64", AArch64::AEK_LS64, "+ls64", "-ls64", FEAT_LS64, "", 520},
@@ -666,7 +668,8 @@ inline constexpr CpuInfo CpuInfos[] = {
     {"tsv110", ARMV8_2A,
      (AArch64::ExtensionBitset(
          {AArch64::AEK_AES, AArch64::AEK_SHA2, AArch64::AEK_DOTPROD,
-          AArch64::AEK_FP16, AArch64::AEK_FP16FML, AArch64::AEK_PROFILE}))},
+          AArch64::AEK_FP16, AArch64::AEK_FP16FML, AArch64::AEK_PROFILE,
+          AArch64::AEK_JSCVT, AArch64::AEK_FCMA}))},
     {"a64fx", ARMV8_2A,
      (AArch64::ExtensionBitset({AArch64::AEK_AES, AArch64::AEK_SHA2,
                                            AArch64::AEK_FP16,
diff --git a/llvm/unittests/TargetParser/TargetParserTest.cpp b/llvm/unittests/TargetParser/TargetParserTest.cpp
index e2b9712b511eca..744299c2cc5009 100644
--- a/llvm/unittests/TargetParser/TargetParserTest.cpp
+++ b/llvm/unittests/TargetParser/TargetParserTest.cpp
@@ -1610,6 +1610,7 @@ INSTANTIATE_TEST_SUITE_P(
                 {AArch64::AEK_CRC, AArch64::AEK_AES, AArch64::AEK_SHA2,
                  AArch64::AEK_FP, AArch64::AEK_SIMD, AArch64::AEK_RAS,
                  AArch64::AEK_LSE, AArch64::AEK_RDM, AArch64::AEK_PROFILE,
+                 AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
                  AArch64::AEK_FP16, AArch64::AEK_FP16FML,
                  AArch64::AEK_DOTPROD})),
             "8.2-A"),
@@ -1757,6 +1758,8 @@ TEST(TargetParserTest, testAArch64Extension) {
   EXPECT_TRUE(testAArch64Extension("tsv110", "fp16"));
   EXPECT_TRUE(testAArch64Extension("tsv110", "fp16fml"));
   EXPECT_TRUE(testAArch64Extension("tsv110", "dotprod"));
+  EXPECT_TRUE(testAArch64Extension("tsv110", "jscvt"));
+  EXPECT_TRUE(testAArch64Extension("tsv110", "fcma"));
   EXPECT_TRUE(testAArch64Extension("a64fx", "fp16"));
   EXPECT_TRUE(testAArch64Extension("a64fx", "sve"));
   EXPECT_FALSE(testAArch64Extension("a64fx", "sve2"));



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