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clang 21.1.1+: workaround regression in the _mm_mask{,z}_fixupimm{,_round}_{ss,sd} intrinsics #1381

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Merged
mr-c merged 1 commit into from
Feb 1, 2026
+18 −11
Merged

clang 21.1.1+: workaround regression in the _mm_mask{,z}_fixupimm{,_round}_{ss,sd} intrinsics #1381

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3 changes: 3 additions & 0 deletions simde/simde-common.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1159,6 +1159,9 @@ HEDLEY_DIAGNOSTIC_POP
# if HEDLEY_HAS_WARNING("-Wvector-conversion") && SIMDE_DETECT_CLANG_VERSION_NOT(11,0,0)
# define SIMDE_BUG_CLANG_44589
# endif
# if SIMDE_DETECT_CLANG_VERSION_CHECK(21,1,1)
# define SIMDE_BUG_CLANG_179057
# endif
# define SIMDE_BUG_CLANG_48673 // https://github.com/llvm/llvm-project/issues/48017
# endif
# define SIMDE_BUG_CLANG_45959 // https://github.com/llvm/llvm-project/issues/45304
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10 changes: 7 additions & 3 deletions simde/simde-detect-clang.h
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Expand Up @@ -65,7 +65,11 @@
# elif __has_builtin(__builtin_elementwise_fshl)
# define SIMDE_DETECT_CLANG_VERSION 220000
# elif __has_builtin(__builtin_structured_binding_size)
# define SIMDE_DETECT_CLANG_VERSION 210000
# if __clang_major__ == 21 && __clang_minor__ >= 1 && __clang_patchlevel__ >= 1
# define SIMDE_DETECT_CLANG_VERSION 210101 // for SIMDE_BUG_CLANG_179057
# else
# define SIMDE_DETECT_CLANG_VERSION 210000
# endif
# elif __has_warning("-Warray-compare-cxx26")
# define SIMDE_DETECT_CLANG_VERSION 200000
# elif __has_warning("-Wmissing-designated-field-initializers")
Expand Down Expand Up @@ -129,8 +133,8 @@
* such as pragmas to disable a specific warning. */

#if defined(SIMDE_DETECT_CLANG_VERSION)
# define SIMDE_DETECT_CLANG_VERSION_CHECK(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION >= ((major * 10000) + (minor * 1000) + (revision)))
# define SIMDE_DETECT_CLANG_VERSION_NOT(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION < ((major * 10000) + (minor * 1000) + (revision)))
# define SIMDE_DETECT_CLANG_VERSION_CHECK(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION >= ((major * 10000) + (minor * 100) + (revision)))
# define SIMDE_DETECT_CLANG_VERSION_NOT(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION < ((major * 10000) + (minor * 100) + (revision)))
#else
# define SIMDE_DETECT_CLANG_VERSION_CHECK(major, minor, revision) (0)
# define SIMDE_DETECT_CLANG_VERSION_NOT(major, minor, revision) (0)
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8 changes: 4 additions & 4 deletions simde/x86/avx512/fixupimm.h
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Expand Up @@ -430,7 +430,7 @@ simde_mm_fixupimm_ss (simde__m128 a, simde__m128 b, simde__m128i c, int imm8)
#define _mm_fixupimm_ss(a, b, c, imm8) simde_mm_fixupimm_ss(a, b, c, imm8)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_mask_fixupimm_ss(a, k, b, c, imm8) _mm_mask_fixupimm_ss(a, k, b, c, imm8)
#else
#define simde_mm_mask_fixupimm_ss(a, k, b, c, imm8) simde_mm_mask_mov_ps(a, ((k) | 14), simde_mm_fixupimm_ss(a, b, c, imm8))
Expand All @@ -440,7 +440,7 @@ simde_mm_fixupimm_ss (simde__m128 a, simde__m128 b, simde__m128i c, int imm8)
#define _mm_mask_fixupimm_ss(a, k, b, c, imm8) simde_mm_mask_fixupimm_ss(a, k, b, c, imm8)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_maskz_fixupimm_ss(k, a, b, c, imm8) _mm_maskz_fixupimm_ss(k, a, b, c, imm8)
#else
#define simde_mm_maskz_fixupimm_ss(k, a, b, c, imm8) simde_mm_maskz_mov_ps(((k) | 14), simde_mm_fixupimm_ss(a, b, c, imm8))
Expand Down Expand Up @@ -874,7 +874,7 @@ simde_mm_fixupimm_sd (simde__m128d a, simde__m128d b, simde__m128i c, int imm8)
#define _mm_fixupimm_sd(a, b, c, imm8) simde_mm_fixupimm_sd(a, b, c, imm8)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_mask_fixupimm_sd(a, k, b, c, imm8) _mm_mask_fixupimm_sd(a, k, b, c, imm8)
#else
#define simde_mm_mask_fixupimm_sd(a, k, b, c, imm8) simde_mm_mask_mov_pd(a, ((k) | 2), simde_mm_fixupimm_sd(a, b, c, imm8))
Expand All @@ -884,7 +884,7 @@ simde_mm_fixupimm_sd (simde__m128d a, simde__m128d b, simde__m128i c, int imm8)
#define _mm_mask_fixupimm_sd(a, k, b, c, imm8) simde_mm_mask_fixupimm_sd(a, k, b, c, imm8)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_maskz_fixupimm_sd(k, a, b, c, imm8) _mm_maskz_fixupimm_sd(k, a, b, c, imm8)
#else
#define simde_mm_maskz_fixupimm_sd(k, a, b, c, imm8) simde_mm_maskz_mov_pd(((k) | 2), simde_mm_fixupimm_sd(a, b, c, imm8))
Expand Down
8 changes: 4 additions & 4 deletions simde/x86/avx512/fixupimm_round.h
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Expand Up @@ -401,7 +401,7 @@ SIMDE_BEGIN_DECLS_
#define _mm_fixupimm_round_ss(a, b, c, imm8, sae) simde_mm_fixupimm_round_ss(a, b, c, imm8, sae)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae) _mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae)
#elif defined(SIMDE_FAST_EXCEPTIONS)
#define simde_mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_ss(a, k, b, c, imm8)
Expand Down Expand Up @@ -457,7 +457,7 @@ SIMDE_BEGIN_DECLS_
#define _mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_maskz_fixupimm_round_ss(k, a, b, c, imm8, sae) _mm_maskz_fixupimm_round_ss(k, a, b, c, imm8, sae)
#elif defined(SIMDE_FAST_EXCEPTIONS)
#define simde_mm_maskz_fixupimm_round_ss(k, a, b, c, imm8, sae) simde_mm_maskz_fixupimm_ss(k, a, b, c, imm8)
Expand Down Expand Up @@ -569,7 +569,7 @@ SIMDE_BEGIN_DECLS_
#define _mm_fixupimm_round_sd(a, b, c, imm8, sae) simde_mm_fixupimm_round_sd(a, b, c, imm8, sae)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae) _mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae)
#elif defined(SIMDE_FAST_EXCEPTIONS)
#define simde_mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_sd(a, k, b, c, imm8)
Expand Down Expand Up @@ -625,7 +625,7 @@ SIMDE_BEGIN_DECLS_
#define _mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae)
#endif

#if defined(SIMDE_X86_AVX512F_NATIVE)
#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
#define simde_mm_maskz_fixupimm_round_sd(k, a, b, c, imm8, sae) _mm_maskz_fixupimm_round_sd(k, a, b, c, imm8, sae)
#elif defined(SIMDE_FAST_EXCEPTIONS)
#define simde_mm_maskz_fixupimm_round_sd(k, a, b, c, imm8, sae) simde_mm_maskz_fixupimm_sd(k, a, b, c, imm8)
Expand Down
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