[clang] [llvm] Reland "[X86][AMX] Support AMX-AVX512" (PR #115581)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff 5e02fd8d0b3c6638220c95e997c43fdc9d7ded3c 44501d8d8a7096decc236fc41f296ae014cec991 --extensions c,cpp,h -- clang/lib/Headers/amxavx512intrin.h clang/test/CodeGen/X86/amx_avx512_api.c clang/test/CodeGen/X86/amxavx512-builtins.c clang/lib/Basic/Targets/X86.cpp clang/lib/Basic/Targets/X86.h clang/lib/Headers/immintrin.h clang/lib/Sema/SemaX86.cpp clang/test/CodeGen/attr-target-x86.c clang/test/Driver/x86-target-features.c clang/test/Preprocessor/x86_target_features.c llvm/lib/Target/X86/X86ExpandPseudo.cpp llvm/lib/Target/X86/X86ISelLowering.cpp llvm/lib/Target/X86/X86LowerAMXType.cpp llvm/lib/Target/X86/X86PreTileConfig.cpp llvm/lib/TargetParser/Host.cpp llvm/lib/TargetParser/X86TargetParser.cpp
``````````

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<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Headers/amxavx512intrin.h b/clang/lib/Headers/amxavx512intrin.h
index e4d77e5030..14f3759192 100644
--- a/clang/lib/Headers/amxavx512intrin.h
+++ b/clang/lib/Headers/amxavx512intrin.h
@@ -37,7 +37,8 @@
 ///     IF i + row_chunk / 4 >= tsrc.colsb / 4
 ///         dst.dword[i] := 0
 ///     ELSE
-///         dst.f32[i] := CONVERT_INT32_TO_FP32(tsrc.row[row_index].dword[row_chunk/4+i], RNE)
+///         dst.f32[i] :=
+///         CONVERT_INT32_TO_FP32(tsrc.row[row_index].dword[row_chunk/4+i], RNE)
 ///     FI
 /// ENDFOR
 /// dst[MAX_VL-1:VL] := 0
@@ -73,7 +74,8 @@
 ///         dst.dword[i] := 0
 ///     ELSE
 ///         dst.word[2*i+0] := 0
-///         dst.bf16[2*i+1] := CONVERT_FP32_TO_BF16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
+///         dst.bf16[2*i+1] :=
+///         CONVERT_FP32_TO_BF16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
 ///     FI
 /// ENDFOR
 /// dst[MAX_VL-1:VL] := 0
@@ -110,7 +112,8 @@
 ///         dst.dword[i] := 0
 ///     ELSE
 ///         dst.word[2*i+1] := 0
-///         dst.bf16[2*i+0] := CONVERT_FP32_TO_BF16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
+///         dst.bf16[2*i+0] :=
+///         CONVERT_FP32_TO_BF16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
 ///     FI
 /// ENDFOR
 /// dst[MAX_VL-1:VL] := 0
@@ -147,7 +150,8 @@
 ///         dst.dword[i] := 0
 ///     ELSE
 ///         dst.word[2*i+0] := 0
-///         dst.fp16[2*i+1] := CONVERT_FP32_TO_FP16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
+///         dst.fp16[2*i+1] :=
+///         CONVERT_FP32_TO_FP16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
 ///     FI
 /// ENDFOR
 /// dst[MAX_VL-1:VL] := 0
@@ -183,7 +187,8 @@
 ///         dst.dword[i] := 0
 ///     ELSE
 ///         dst.word[2*i+1] := 0
-///         dst.fp16[2*i+0] := CONVERT_FP32_TO_FP16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
+///         dst.fp16[2*i+0] :=
+///         CONVERT_FP32_TO_FP16(tsrc.row[row_index].fp32[row_chunk/4+i], RNE)
 ///     FI
 /// ENDFOR
 /// dst[MAX_VL-1:VL] := 0

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https://github.com/llvm/llvm-project/pull/115581