llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-backend-x86 Author: Phoebe Wang (phoebewang) <details> <summary>Changes</summary> We use ZMM registers in AMX-AVX512 instructions. Fixes: https://godbolt.org/z/GsY167Yzn --- Full diff: https://github.com/llvm/llvm-project/pull/173532.diff 2 Files Affected: - (modified) clang/include/clang/Basic/BuiltinsX86_64.td (+2-2) - (modified) clang/lib/Headers/amxavx512intrin.h (+1-1) ``````````diff diff --git a/clang/include/clang/Basic/BuiltinsX86_64.td b/clang/include/clang/Basic/BuiltinsX86_64.td index 062060e6afbbe..2e68a5a016ef0 100644 --- a/clang/include/clang/Basic/BuiltinsX86_64.td +++ b/clang/include/clang/Basic/BuiltinsX86_64.td @@ -239,7 +239,7 @@ let Features = "amx-complex", Attributes = [NoThrow] in { def tcmmrlfp16ps_internal : X86Builtin<"_Vector<256, int>(unsigned short, unsigned short, unsigned short, _Vector<256, int>, _Vector<256, int>, _Vector<256, int>)">; } -let Features = "amx-avx512,avx10.2", Attributes = [NoThrow] in { +let Features = "amx-avx512,avx10.2", Attributes = [NoThrow, RequiredVectorWidth<512>] in { def tcvtrowd2ps_internal : X86Builtin<"_Vector<16, float>(unsigned short, unsigned short, _Vector<256, int>, unsigned int)">; def tcvtrowps2bf16h_internal : X86Builtin<"_Vector<32, __bf16>(unsigned short, unsigned short, _Vector<256, int>, unsigned int)">; def tcvtrowps2bf16l_internal : X86Builtin<"_Vector<32, __bf16>(unsigned short, unsigned short, _Vector<256, int>, unsigned int)">; @@ -297,7 +297,7 @@ let Features = "amx-complex", Attributes = [NoThrow] in { def tcmmrlfp16ps : X86Builtin<"void(_Constant unsigned char, _Constant unsigned char, _Constant unsigned char)">; } -let Features = "amx-avx512,avx10.2", Attributes = [NoThrow] in { +let Features = "amx-avx512,avx10.2", Attributes = [NoThrow, RequiredVectorWidth<512>] in { def tcvtrowd2ps : X86Builtin<"_Vector<16, float>(_Constant unsigned char, unsigned int)">; def tcvtrowps2bf16h : X86Builtin<"_Vector<32, __bf16>(_Constant unsigned char, unsigned int)">; def tcvtrowps2bf16l : X86Builtin<"_Vector<32, __bf16>(_Constant unsigned char, unsigned int)">; diff --git a/clang/lib/Headers/amxavx512intrin.h b/clang/lib/Headers/amxavx512intrin.h index 373a54f46290f..5f21c25b05ad1 100644 --- a/clang/lib/Headers/amxavx512intrin.h +++ b/clang/lib/Headers/amxavx512intrin.h @@ -16,7 +16,7 @@ #define __DEFAULT_FN_ATTRS_AVX512 \ __attribute__((__always_inline__, __nodebug__, \ - __target__("amx-avx512,avx10.2"))) + __target__("amx-avx512,avx10.2"), __min_vector_width__(512))) /// Moves a row from a tile register to a zmm destination register, converting /// the int32 source elements to fp32. The row of the tile is selected by a `````````` </details> https://github.com/llvm/llvm-project/pull/173532 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
