[clang] [X86][Clang] Allow SSE/AVX COMI/UCOMI/CMPS/CMPP fp comparison intrinsics to be used in constexpr (PR #160876)

via cfe-commits cfe-commits at lists.llvm.org
Sat Sep 27 03:28:13 PDT 2025


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,c,h -- clang/lib/AST/ByteCode/InterpBuiltin.cpp clang/lib/AST/ExprConstant.cpp clang/lib/Headers/avx512fp16intrin.h clang/lib/Headers/emmintrin.h clang/lib/Headers/xmmintrin.h clang/test/CodeGen/X86/avx512fp16-builtins.c
``````````

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``````````diff
diff --git a/clang/lib/Headers/avx512fp16intrin.h b/clang/lib/Headers/avx512fp16intrin.h
index f09338533..d7e54d3d8 100644
--- a/clang/lib/Headers/avx512fp16intrin.h
+++ b/clang/lib/Headers/avx512fp16intrin.h
@@ -298,8 +298,8 @@ _mm512_zextph256_ph512(__m256h __a) {
 #define _mm_comi_sh(A, B, pred)                                                \
   _mm_comi_round_sh((A), (B), (pred), _MM_FROUND_CUR_DIRECTION)
 
-static __inline__ int __DEFAULT_FN_ATTRS128_CONSTEXPR
-_mm_comieq_sh(__m128h __A, __m128h __B) {
+static __inline__ int
+    __DEFAULT_FN_ATTRS128_CONSTEXPR _mm_comieq_sh(__m128h __A, __m128h __B) {
   return __builtin_ia32_vcomish((__v8hf)__A, (__v8hf)__B, _CMP_EQ_OS,
                                 _MM_FROUND_CUR_DIRECTION);
 }

``````````

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https://github.com/llvm/llvm-project/pull/160876


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