[PATCH] D131573: [clang][AArch64][SVE] Change SVE_VECTOR_OPERATORS macro for VLA vectors

[David Truby via Phabricator via cfe-commits]

DavidTruby created this revision.
Herald added subscribers: ctetreau, psnobl, kristof.beyls, tschuett.
Herald added a reviewer: efriedma.
Herald added a project: All.
DavidTruby requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

The __ARM_FEATURE_SVE_VECTOR_OPERATORS macro should be changed to
indicate that this feature is now supported on VLA vectors as well as
VLS vectors. There is a complementary PR to the ACLE spec here
https://github.com/ARM-software/acle/pull/213


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D131573

Files:
  clang/lib/Basic/Targets/AArch64.cpp
  clang/test/Preprocessor/aarch64-target-features.c


Index: clang/test/Preprocessor/aarch64-target-features.c
===================================================================
--- clang/test/Preprocessor/aarch64-target-features.c
+++ clang/test/Preprocessor/aarch64-target-features.c
@@ -150,6 +150,7 @@
 
 // RUN: %clang -target aarch64-none-linux-gnu -march=armv8-a+sve -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE %s
 // CHECK-SVE: __ARM_FEATURE_SVE 1
+// CHECK-SVE: __ARM_FEATURE_SVE_VECTOR_OPERATORS 2
 
 // RUN: %clang -target aarch64-none-linux-gnu -march=armv8-a+sve+bf16 -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE-BF16 %s
 // CHECK-SVE-BF16: __ARM_FEATURE_BF16_SCALAR_ARITHMETIC 1
@@ -512,9 +513,7 @@
 // RUN: %clang -target aarch64-arm-none-eabi -march=armv8-a+sve -msve-vector-bits=2048 -x c -E -dM %s -o - 2>&1 | FileCheck -check-prefix=CHECK-SVE-VECTOR-BITS -D#VBITS=2048 %s
 // RUN: %clang -target aarch64-arm-none-eabi -march=armv8-a+sve -msve-vector-bits=512+ -x c -E -dM %s -o - 2>&1 | FileCheck -check-prefix=CHECK-NO-SVE-VECTOR-BITS %s
 // CHECK-SVE-VECTOR-BITS: __ARM_FEATURE_SVE_BITS [[#VBITS:]]
-// CHECK-SVE-VECTOR-BITS: __ARM_FEATURE_SVE_VECTOR_OPERATORS 1
 // CHECK-NO-SVE-VECTOR-BITS-NOT: __ARM_FEATURE_SVE_BITS
-// CHECK-NO-SVE-VECTOR-BITS-NOT: __ARM_FEATURE_SVE_VECTOR_OPERATORS
 
 // ================== Check Large System Extensions (LSE)
 // RUN: %clang -target aarch64-none-linux-gnu -march=armv8-a+lse -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-LSE %s
Index: clang/lib/Basic/Targets/AArch64.cpp
===================================================================
--- clang/lib/Basic/Targets/AArch64.cpp
+++ clang/lib/Basic/Targets/AArch64.cpp
@@ -489,9 +489,12 @@
   Builder.defineMacro("__FP_FAST_FMA", "1");
   Builder.defineMacro("__FP_FAST_FMAF", "1");
 
+  // C/C++ operators work on both VLS and VLA SVE types
+  if (FPU & SveMode)
+    Builder.defineMacro("__ARM_FEATURE_SVE_VECTOR_OPERATORS", "2");
+
   if (Opts.VScaleMin && Opts.VScaleMin == Opts.VScaleMax) {
     Builder.defineMacro("__ARM_FEATURE_SVE_BITS", Twine(Opts.VScaleMin * 128));
-    Builder.defineMacro("__ARM_FEATURE_SVE_VECTOR_OPERATORS");
   }
 }
 


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D131573.451465.patch
Type: text/x-patch
Size: 2142 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20220810/34e68c64/attachment.bin>