[PATCH] D117271: [AArch64] clang support for Armv8.8/9.3 MOPS

[Son Tuan Vu via Phabricator via cfe-commits]

tyb0807 created this revision.
Herald added subscribers: hiraditya, kristof.beyls.
tyb0807 requested review of this revision.
Herald added projects: clang, LLVM.
Herald added subscribers: llvm-commits, cfe-commits.

This introduces clang command line support for the new Armv8.8-A and
Armv9.3-A instructions for standardising memcpy, memset and memmove
operations, which was previously introduced into LLVM in
https://reviews.llvm.org/D116157.

Patch by Lucas Prates, Tomas Matheson and Son Tuan Vu.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D117271

Files:
  clang/lib/Basic/Targets/AArch64.cpp
  clang/lib/Basic/Targets/AArch64.h
  clang/test/Driver/aarch64-mops.c
  llvm/include/llvm/Support/AArch64TargetParser.def
  llvm/include/llvm/Support/AArch64TargetParser.h
  llvm/lib/Support/AArch64TargetParser.cpp
  llvm/unittests/Support/TargetParserTest.cpp


Index: llvm/unittests/Support/TargetParserTest.cpp
===================================================================
--- llvm/unittests/Support/TargetParserTest.cpp
+++ llvm/unittests/Support/TargetParserTest.cpp
@@ -1519,6 +1519,7 @@
       {"sme-f64", "nosme-f64", "+sme-f64", "-sme-f64"},
       {"sme-i64", "nosme-i64", "+sme-i64", "-sme-i64"},
       {"hbc", "nohbc", "+hbc", "-hbc"},
+      {"mops", "nomops", "+mops", "-mops"},
   };
 
   for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
Index: llvm/lib/Support/AArch64TargetParser.cpp
===================================================================
--- llvm/lib/Support/AArch64TargetParser.cpp
+++ llvm/lib/Support/AArch64TargetParser.cpp
@@ -116,6 +116,8 @@
     Features.push_back("+sme-i64");
   if (Extensions & AArch64::AEK_HBC)
     Features.push_back("+hbc");
+  if (Extensions & AArch64::AEK_MOPS)
+    Features.push_back("+mops");
 
   return true;
 }
Index: llvm/include/llvm/Support/AArch64TargetParser.h
===================================================================
--- llvm/include/llvm/Support/AArch64TargetParser.h
+++ llvm/include/llvm/Support/AArch64TargetParser.h
@@ -70,6 +70,7 @@
   AEK_SMEF64 =      1ULL << 38,
   AEK_SMEI64 =      1ULL << 39,
   AEK_HBC =         1ULL << 40,
+  AEK_MOPS =        1ULL << 41,
 };
 
 enum class ArchKind {
Index: llvm/include/llvm/Support/AArch64TargetParser.def
===================================================================
--- llvm/include/llvm/Support/AArch64TargetParser.def
+++ llvm/include/llvm/Support/AArch64TargetParser.def
@@ -145,6 +145,7 @@
 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("hbc",          AArch64::AEK_HBC,         "+hbc",          "-hbc")
+AARCH64_ARCH_EXT_NAME("mops",         AArch64::AEK_MOPS,        "+mops",         "-mops")
 #undef AARCH64_ARCH_EXT_NAME
 
 #ifndef AARCH64_CPU_NAME
Index: clang/test/Driver/aarch64-mops.c
===================================================================
--- /dev/null
+++ clang/test/Driver/aarch64-mops.c
@@ -0,0 +1,6 @@
+// Test that target feature mops is implemented and available correctly
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.8-a+mops %s 2>&1 | FileCheck %s
+// CHECK: "-target-feature" "+mops"
+
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.8-a+nomops %s 2>&1 | FileCheck %s --check-prefix=NO_MOPS
+// NO_MOPS: "-target-feature" "-mops"
Index: clang/lib/Basic/Targets/AArch64.h
===================================================================
--- clang/lib/Basic/Targets/AArch64.h
+++ clang/lib/Basic/Targets/AArch64.h
@@ -54,6 +54,7 @@
   bool HasLSE;
   bool HasFlagM;
   bool HasHBC;
+  bool HasMOPS;
 
   llvm::AArch64::ArchKind ArchKind;
 
Index: clang/lib/Basic/Targets/AArch64.cpp
===================================================================
--- clang/lib/Basic/Targets/AArch64.cpp
+++ clang/lib/Basic/Targets/AArch64.cpp
@@ -544,6 +544,7 @@
   HasMatmulFP32 = false;
   HasLSE = false;
   HasHBC = false;
+  HasMOPS = false;
 
   ArchKind = llvm::AArch64::ArchKind::INVALID;
 


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