Author: ctopper Date: Thu Oct 12 11:57:15 2017 New Revision: 315607 URL: http://llvm.org/viewvc/llvm-project?rev=315607&view=rev Log: [X86] Add CLWB intrinsic. clang part
Reviewers: RKSimon, zvi, igorb Reviewed By: RKSimon Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D38781 Added: cfe/trunk/lib/Headers/clwbintrin.h cfe/trunk/test/CodeGen/builtin-clwb.c Modified: cfe/trunk/include/clang/Basic/BuiltinsX86.def cfe/trunk/lib/Headers/CMakeLists.txt cfe/trunk/lib/Headers/immintrin.h Modified: cfe/trunk/include/clang/Basic/BuiltinsX86.def URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsX86.def?rev=315607&r1=315606&r2=315607&view=diff ============================================================================== --- cfe/trunk/include/clang/Basic/BuiltinsX86.def (original) +++ cfe/trunk/include/clang/Basic/BuiltinsX86.def Thu Oct 12 11:57:15 2017 @@ -641,6 +641,9 @@ TARGET_BUILTIN(__builtin_ia32_xsaves, "v //CLFLUSHOPT TARGET_BUILTIN(__builtin_ia32_clflushopt, "vvC*", "", "clflushopt") +//CLWB +TARGET_BUILTIN(__builtin_ia32_clwb, "vvC*", "", "clwb") + // ADX TARGET_BUILTIN(__builtin_ia32_addcarryx_u32, "UcUcUiUiUi*", "", "adx") TARGET_BUILTIN(__builtin_ia32_addcarry_u32, "UcUcUiUiUi*", "", "") Modified: cfe/trunk/lib/Headers/CMakeLists.txt URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/CMakeLists.txt?rev=315607&r1=315606&r2=315607&view=diff ============================================================================== --- cfe/trunk/lib/Headers/CMakeLists.txt (original) +++ cfe/trunk/lib/Headers/CMakeLists.txt Thu Oct 12 11:57:15 2017 @@ -33,6 +33,7 @@ set(files clzerointrin.h cpuid.h clflushoptintrin.h + clwbintrin.h emmintrin.h f16cintrin.h float.h Added: cfe/trunk/lib/Headers/clwbintrin.h URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/clwbintrin.h?rev=315607&view=auto ============================================================================== --- cfe/trunk/lib/Headers/clwbintrin.h (added) +++ cfe/trunk/lib/Headers/clwbintrin.h Thu Oct 12 11:57:15 2017 @@ -0,0 +1,52 @@ +/*===---- clwbintrin.h - CLWB intrinsic ------------------------------------=== + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + *===-----------------------------------------------------------------------=== + */ + +#ifndef __IMMINTRIN_H +#error "Never use <clwbintrin.h> directly; include <immintrin.h> instead." +#endif + +#ifndef __CLWBINTRIN_H +#define __CLWBINTRIN_H + +/* Define the default attributes for the functions in this file. */ +#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("clwb"))) + +/// \brief Writes back to memory the cache line (if modified) that contains the +/// linear address specified in \a __p from any level of the cache hierarchy in +/// the cache coherence domain +/// +/// \headerfile <immintrin.h> +/// +/// This intrinsic corresponds to the <c> CLWB </c> instruction. +/// +/// \param __p +/// A pointer to the memory location used to identify the cache line to be +/// written back. +static __inline__ void __DEFAULT_FN_ATTRS +_mm_clwb(void const *__p) { + __builtin_ia32_clwb(__p); +} + +#undef __DEFAULT_FN_ATTRS + +#endif Modified: cfe/trunk/lib/Headers/immintrin.h URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/immintrin.h?rev=315607&r1=315606&r2=315607&view=diff ============================================================================== --- cfe/trunk/lib/Headers/immintrin.h (original) +++ cfe/trunk/lib/Headers/immintrin.h Thu Oct 12 11:57:15 2017 @@ -58,6 +58,10 @@ #include <clflushoptintrin.h> #endif +#if !defined(_MSC_VER) || __has_feature(modules) || defined(__CLWB__) +#include <clwbintrin.h> +#endif + #if !defined(_MSC_VER) || __has_feature(modules) || defined(__AVX__) #include <avxintrin.h> #endif Added: cfe/trunk/test/CodeGen/builtin-clwb.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtin-clwb.c?rev=315607&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/builtin-clwb.c (added) +++ cfe/trunk/test/CodeGen/builtin-clwb.c Thu Oct 12 11:57:15 2017 @@ -0,0 +1,9 @@ +// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-apple-darwin -target-feature +clwb -emit-llvm -o - -Wall -Werror | FileCheck %s + +#include <x86intrin.h> + +void test_mm_clwb(const void *__m) { + //CHECK-LABEL: @test_mm_clwb + //CHECK: @llvm.x86.clwb + _mm_clwb(__m); +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
