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Reviewers: craig.topper, zvi Reviewed By: craig.topper Differential Revision: https://reviews.llvm.org/D45254 llvm-svn: 330463
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/*===----------------------- waitpkgintrin.h - WAITPKG --------------------=== | ||
* | ||
* 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 __X86INTRIN_H | ||
#error "Never use <waitpkgintrin.h> directly; include <x86intrin.h> instead." | ||
#endif | ||
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#ifndef _WAITPKGINTRIN_H | ||
#define _WAITPKGINTRIN_H | ||
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/* Define the default attributes for the functions in this file. */ | ||
#define __DEFAULT_FN_ATTRS \ | ||
__attribute__((__always_inline__, __nodebug__, __target__("waitpkg"))) | ||
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static __inline__ void __DEFAULT_FN_ATTRS | ||
_umonitor (void * __address) | ||
{ | ||
__builtin_ia32_umonitor (__address); | ||
} | ||
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static __inline__ unsigned char __DEFAULT_FN_ATTRS | ||
_umwait (unsigned int __control, unsigned long long __counter) | ||
{ | ||
return __builtin_ia32_umwait (__control, | ||
(unsigned int)(__counter >> 32), (unsigned int)__counter); | ||
} | ||
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static __inline__ unsigned char __DEFAULT_FN_ATTRS | ||
_tpause (unsigned int __control, unsigned long long __counter) | ||
{ | ||
return __builtin_ia32_tpause (__control, | ||
(unsigned int)(__counter >> 32), (unsigned int)__counter); | ||
} | ||
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#undef __DEFAULT_FN_ATTRS | ||
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#endif /* _WAITPKGINTRIN_H */ |
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// RUN: %clang_cc1 %s -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -target-feature +waitpkg -Wall -pedantic -o - | FileCheck %s | ||
// RUN: %clang_cc1 %s -ffreestanding -triple i386-unknown-unknown -emit-llvm -target-feature +waitpkg -Wall -pedantic -o - | FileCheck %s | ||
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#include <x86intrin.h> | ||
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#include <stddef.h> | ||
#include <stdint.h> | ||
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void test_umonitor(void *address) { | ||
//CHECK-LABEL: @test_umonitor | ||
//CHECK: call void @llvm.x86.umonitor(i8* %{{.*}}) | ||
return _umonitor(address); | ||
} | ||
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uint8_t test_umwait(uint32_t control, uint64_t counter) { | ||
//CHECK-LABEL: @test_umwait | ||
//CHECK: call i8 @llvm.x86.umwait(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}) | ||
return _umwait(control, counter); | ||
} | ||
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uint8_t test_tpause(uint32_t control, uint64_t counter) { | ||
//CHECK-LABEL: @test_tpause | ||
//CHECK: call i8 @llvm.x86.tpause(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}) | ||
return _tpause(control, counter); | ||
} |
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