[clang] [llvm] [X86][AVX10] Remove EVEX512 and AVX10-256 implementations (PR #157034)

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Fri Sep 5 00:32:56 PDT 2025


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git-clang-format --diff origin/main HEAD --extensions cpp,h,c -- clang/lib/Basic/Targets/X86.cpp clang/lib/Basic/Targets/X86.h clang/lib/CodeGen/Targets/X86.cpp clang/lib/Driver/ToolChains/Arch/X86.cpp clang/lib/Headers/amxavx512intrin.h clang/lib/Headers/avx10_2_512bf16intrin.h clang/lib/Headers/avx10_2_512convertintrin.h clang/lib/Headers/avx10_2_512niintrin.h clang/lib/Headers/avx10_2_512satcvtdsintrin.h clang/lib/Headers/avx10_2bf16intrin.h clang/lib/Headers/avx10_2convertintrin.h clang/lib/Headers/avx10_2copyintrin.h clang/lib/Headers/avx10_2niintrin.h clang/lib/Headers/avx10_2satcvtdsintrin.h clang/lib/Headers/avx2intrin.h clang/lib/Headers/avx512bf16intrin.h clang/lib/Headers/avx512bitalgintrin.h clang/lib/Headers/avx512bwintrin.h clang/lib/Headers/avx512cdintrin.h clang/lib/Headers/avx512dqintrin.h clang/lib/Headers/avx512fintrin.h clang/lib/Headers/avx512fp16intrin.h clang/lib/Headers/avx512ifmaintrin.h clang/lib/Headers/avx512ifmavlintrin.h clang/lib/Headers/avx512vbmi2intrin.h clang/lib/Headers/avx512vbmiintrin.h clang/lib/Headers/avx512vbmivlintrin.h clang/lib/Headers/avx512vlbf16intrin.h clang/lib/Headers/avx512vlbitalgintrin.h clang/lib/Headers/avx512vlbwintrin.h clang/lib/Headers/avx512vlcdintrin.h clang/lib/Headers/avx512vldqintrin.h clang/lib/Headers/avx512vlfp16intrin.h clang/lib/Headers/avx512vlintrin.h clang/lib/Headers/avx512vlvbmi2intrin.h clang/lib/Headers/avx512vlvnniintrin.h clang/lib/Headers/avx512vlvp2intersectintrin.h clang/lib/Headers/avx512vnniintrin.h clang/lib/Headers/avx512vp2intersectintrin.h clang/lib/Headers/avx512vpopcntdqintrin.h clang/lib/Headers/avx512vpopcntdqvlintrin.h clang/lib/Headers/avxintrin.h clang/lib/Headers/emmintrin.h clang/lib/Headers/fmaintrin.h clang/lib/Headers/gfniintrin.h clang/lib/Headers/mmintrin.h clang/lib/Headers/movrs_avx10_2_512intrin.h clang/lib/Headers/movrs_avx10_2intrin.h clang/lib/Headers/pmmintrin.h clang/lib/Headers/sm4evexintrin.h clang/lib/Headers/smmintrin.h clang/lib/Headers/tmmintrin.h clang/lib/Headers/vaesintrin.h clang/lib/Headers/xmmintrin.h clang/test/CodeGen/X86/amx_avx512_api.c clang/test/CodeGen/X86/amxavx512-builtins.c clang/test/CodeGen/X86/avx10_2_512bf16-builtins.c clang/test/CodeGen/X86/avx10_2_512convert-builtins.c clang/test/CodeGen/X86/avx10_2_512minmax-builtins.c clang/test/CodeGen/X86/avx10_2_512minmax-error.c clang/test/CodeGen/X86/avx10_2_512ni-builtins.c clang/test/CodeGen/X86/avx10_2_512satcvt-builtins.c clang/test/CodeGen/X86/avx10_2_512satcvtds-builtins-errors.c clang/test/CodeGen/X86/avx10_2_512satcvtds-builtins-x64-error.c clang/test/CodeGen/X86/avx10_2_512satcvtds-builtins-x64.c clang/test/CodeGen/X86/avx10_2_512satcvtds-builtins.c clang/test/CodeGen/X86/avx10_2bf16-builtins.c clang/test/CodeGen/X86/avx10_2convert-builtins.c clang/test/CodeGen/X86/avx10_2minmax-builtins.c clang/test/CodeGen/X86/avx10_2ni-builtins.c clang/test/CodeGen/X86/avx10_2satcvt-builtins.c clang/test/CodeGen/X86/avx10_2satcvtds-builtins-x64.c clang/test/CodeGen/X86/avx10_2satcvtds-builtins.c clang/test/CodeGen/X86/avx512-error.c clang/test/CodeGen/X86/avx512copy-builtins.c clang/test/CodeGen/X86/avx512vlbw-builtins.c clang/test/CodeGen/X86/avxvnniint16-builtins.c clang/test/CodeGen/X86/avxvnniint8-builtins.c clang/test/CodeGen/X86/movrs-avx10.2-512-builtins-error-32.c clang/test/CodeGen/X86/movrs-avx10.2-512-builtins.c clang/test/CodeGen/X86/movrs-avx10.2-builtins-error-32.c clang/test/CodeGen/X86/movrs-avx10.2-builtins.c clang/test/CodeGen/X86/sm4-evex-builtins.c clang/test/CodeGen/attr-cpuspecific.c clang/test/CodeGen/attr-target-x86.c clang/test/CodeGen/regcall2.c clang/test/CodeGen/target-avx-abi-diag.c clang/test/CodeGen/target-builtin-noerror.c clang/test/Driver/x86-target-features.c clang/test/Preprocessor/predefined-arch-macros-x86.c clang/test/Preprocessor/predefined-arch-macros.c clang/test/Preprocessor/x86_target_features.c llvm/lib/IR/Verifier.cpp llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp llvm/lib/Target/X86/X86ISelLowering.cpp llvm/lib/Target/X86/X86ISelLoweringCall.cpp llvm/lib/Target/X86/X86Subtarget.cpp llvm/lib/Target/X86/X86Subtarget.h llvm/lib/Target/X86/X86TargetTransformInfo.cpp llvm/lib/TargetParser/Host.cpp llvm/lib/TargetParser/X86TargetParser.cpp
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``````````diff
diff --git a/llvm/lib/TargetParser/Host.cpp b/llvm/lib/TargetParser/Host.cpp
index 638481606..b83b80421 100644
--- a/llvm/lib/TargetParser/Host.cpp
+++ b/llvm/lib/TargetParser/Host.cpp
@@ -2061,7 +2061,7 @@ StringMap<bool> sys::getHostCPUFeatures() {
   Features["invpcid"]    = HasLeaf7 && ((EBX >> 10) & 1);
   Features["rtm"]        = HasLeaf7 && ((EBX >> 11) & 1);
   // AVX512 is only supported if the OS supports the context save for it.
-  Features["avx512f"]    = HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save;
+  Features["avx512f"] = HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save;
   Features["avx512dq"]   = HasLeaf7 && ((EBX >> 17) & 1) && HasAVX512Save;
   Features["rdseed"]     = HasLeaf7 && ((EBX >> 18) & 1);
   Features["adx"]        = HasLeaf7 && ((EBX >> 19) & 1);

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https://github.com/llvm/llvm-project/pull/157034


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