[clang] [llvm] Clang: convert `__m64` intrinsics to unconditionally use SSE2 instead of MMX. (PR #96540)
James Y Knight via cfe-commits
cfe-commits at lists.llvm.org
Tue Jun 25 12:52:43 PDT 2024
================
@@ -1035,10 +1077,11 @@ _mm_srli_pi32(__m64 __m, int __count)
/// \param __count
/// A 64-bit integer vector interpreted as a single 64-bit integer.
/// \returns A 64-bit integer vector containing the right-shifted value.
-static __inline__ __m64 __DEFAULT_FN_ATTRS
+static __inline__ __m64 __DEFAULT_FN_ATTRS_SSE2
_mm_srl_si64(__m64 __m, __m64 __count)
{
- return (__m64)__builtin_ia32_psrlq((__v1di)__m, __count);
+ return __trunc64(__builtin_ia32_psrlq128((__v2di)__anyext128(__m),
+ __anyext128(__count)));
----------------
jyknight wrote:
Done.
https://github.com/llvm/llvm-project/pull/96540
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