Author: Simon Pilgrim Date: 2024-10-08T11:16:13+01:00 New Revision: e3e55173ed891da334990103c12206a4e4e8fc98
URL: https://github.com/llvm/llvm-project/commit/e3e55173ed891da334990103c12206a4e4e8fc98 DIFF: https://github.com/llvm/llvm-project/commit/e3e55173ed891da334990103c12206a4e4e8fc98.diff LOG: [clang][x86] Enable _mm_movehdup_ps, _mm_moveldup_ps and _mm_movedup_pd in constant expressions These just wrap generic shuffles Added: Modified: clang/lib/Headers/pmmintrin.h clang/test/CodeGen/X86/sse3-builtins.c Removed: ################################################################################ diff --git a/clang/lib/Headers/pmmintrin.h b/clang/lib/Headers/pmmintrin.h index 9ad76579668b35..cd605df7fb52d8 100644 --- a/clang/lib/Headers/pmmintrin.h +++ b/clang/lib/Headers/pmmintrin.h @@ -27,6 +27,12 @@ __min_vector_width__(128))) #endif +#if defined(__cplusplus) && (__cplusplus >= 201103L) +#define __DEFAULT_FN_ATTRS_CONSTEXPR __DEFAULT_FN_ATTRS constexpr +#else +#define __DEFAULT_FN_ATTRS_CONSTEXPR __DEFAULT_FN_ATTRS +#endif + /// Loads data from an unaligned memory location to elements in a 128-bit /// vector. /// @@ -128,7 +134,7 @@ _mm_hsub_ps(__m128 __a, __m128 __b) /// destination. /// \returns A 128-bit vector of [4 x float] containing the moved and duplicated /// values. -static __inline__ __m128 __DEFAULT_FN_ATTRS +static __inline__ __m128 __DEFAULT_FN_ATTRS_CONSTEXPR _mm_movehdup_ps(__m128 __a) { return __builtin_shufflevector((__v4sf)__a, (__v4sf)__a, 1, 1, 3, 3); @@ -149,7 +155,7 @@ _mm_movehdup_ps(__m128 __a) /// destination. /// \returns A 128-bit vector of [4 x float] containing the moved and duplicated /// values. -static __inline__ __m128 __DEFAULT_FN_ATTRS +static __inline__ __m128 __DEFAULT_FN_ATTRS_CONSTEXPR _mm_moveldup_ps(__m128 __a) { return __builtin_shufflevector((__v4sf)__a, (__v4sf)__a, 0, 0, 2, 2); @@ -250,7 +256,7 @@ _mm_hsub_pd(__m128d __a, __m128d __b) /// [127:64] and [63:0] of the destination. /// \returns A 128-bit vector of [2 x double] containing the moved and /// duplicated values. -static __inline__ __m128d __DEFAULT_FN_ATTRS +static __inline__ __m128d __DEFAULT_FN_ATTRS_CONSTEXPR _mm_movedup_pd(__m128d __a) { return __builtin_shufflevector((__v2df)__a, (__v2df)__a, 0, 0); @@ -303,5 +309,6 @@ _mm_mwait(unsigned __extensions, unsigned __hints) } #undef __DEFAULT_FN_ATTRS +#undef __DEFAULT_FN_ATTRS_CONSTEXPR #endif /* __PMMINTRIN_H */ diff --git a/clang/test/CodeGen/X86/sse3-builtins.c b/clang/test/CodeGen/X86/sse3-builtins.c index 57a18dadefaa89..18c062f4c14a7d 100644 --- a/clang/test/CodeGen/X86/sse3-builtins.c +++ b/clang/test/CodeGen/X86/sse3-builtins.c @@ -75,3 +75,22 @@ __m128 test_mm_moveldup_ps(__m128 A) { // CHECK: shufflevector <4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x i32> <i32 0, i32 0, i32 2, i32 2> return _mm_moveldup_ps(A); } + +// Test constexpr handling. +#if defined(__cplusplus) && (__cplusplus >= 201103L) + +void test_constexpr() { + constexpr __m128d kd1 {+7.0,-7.0}; + constexpr __m128 kf1 {+1.0f,-1.0f,+2.0f,+4.0f}; + + constexpr __m128d v_mm_movedup_pd = _mm_movedup_pd(kd1); + static_assert(v_mm_movedup_pd[0] == +7.0 && v_mm_movedup_pd[1] == +7.0); + + constexpr __m128 v_mm_movehdup_ps = _mm_movehdup_ps(kf1); + static_assert(v_mm_movehdup_ps[0] == -1.0f && v_mm_movehdup_ps[1] == -1.0f && v_mm_movehdup_ps[2] == +4.0f && v_mm_movehdup_ps[3] == +4.0f); + + constexpr __m128 v_mm_moveldup_ps = _mm_moveldup_ps(kf1); + static_assert(v_mm_moveldup_ps[0] == +1.0f && v_mm_moveldup_ps[1] == +1.0f && v_mm_moveldup_ps[2] == +2.0f && v_mm_moveldup_ps[3] == +2.0f); +} + +#endif _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
