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[X86] Introduce wbinvd intrinsic
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Authored by GBuella on Apr 5 2018, 2:01 AM.

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Reviewers

craig.topper
echristo

Commits

rGe708a09e2112: [X86] Introduce wbinvd intrinsic
rC329937: [X86] Introduce wbinvd intrinsic
rL329937: [X86] Introduce wbinvd intrinsic

Summary

A previously missing intrinsic for an old instruction.

Diff Detail

Repository: rL LLVM

Event Timeline

GBuella created this revision.Apr 5 2018, 2:01 AM

Herald added a subscriber: cfe-commits. · View Herald TranscriptApr 5 2018, 2:01 AM

Harbormaster completed remote builds in B16764: Diff 141115.Apr 5 2018, 2:02 AM

The reason is, the _wbinvd intrinsic, and builtin were just recently introduced in GCC.

LGTM

This revision is now accepted and ready to land.Apr 7 2018, 1:28 PM

GBuella updated this revision to Diff 142142.Apr 12 2018, 3:38 AM

GBuella retitled this revision from Introduce wbinvd intrinsic to [X86] Introduce wbinvd intrinsic.

Closed by commit rL329937: [X86] Introduce wbinvd intrinsic (authored by GBuella). · Explain WhyApr 12 2018, 11:45 AM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: llvm-commits. · View Herald TranscriptApr 12 2018, 11:45 AM

Revision Contents

Path

Size

cfe/

trunk/

include/

clang/

Basic/

BuiltinsX86.def

3 lines

lib/

Headers/

ia32intrin.h

5 lines

test/

CodeGen/

builtin-wbinvd.c

10 lines

Diff 142228

cfe/trunk/include/clang/Basic/BuiltinsX86.def

	Show First 20 Lines • Show All 673 Lines • ▼ Show 20 Lines
	TARGET_BUILTIN(__builtin_ia32_clrssbsy, "vv*", "", "shstk")			TARGET_BUILTIN(__builtin_ia32_clrssbsy, "vv*", "", "shstk")

	//CLFLUSHOPT			//CLFLUSHOPT
	TARGET_BUILTIN(__builtin_ia32_clflushopt, "vvC*", "", "clflushopt")			TARGET_BUILTIN(__builtin_ia32_clflushopt, "vvC*", "", "clflushopt")

	//CLWB			//CLWB
	TARGET_BUILTIN(__builtin_ia32_clwb, "vvC*", "", "clwb")			TARGET_BUILTIN(__builtin_ia32_clwb, "vvC*", "", "clwb")

	//WBNOINVD			//WB[NO]INVD
				TARGET_BUILTIN(__builtin_ia32_wbinvd, "v", "", "")
	TARGET_BUILTIN(__builtin_ia32_wbnoinvd, "v", "", "wbnoinvd")			TARGET_BUILTIN(__builtin_ia32_wbnoinvd, "v", "", "wbnoinvd")

	// ADX			// ADX
	TARGET_BUILTIN(__builtin_ia32_addcarryx_u32, "UcUcUiUiUi*", "", "adx")			TARGET_BUILTIN(__builtin_ia32_addcarryx_u32, "UcUcUiUiUi*", "", "adx")
	TARGET_BUILTIN(__builtin_ia32_addcarry_u32, "UcUcUiUiUi*", "", "")			TARGET_BUILTIN(__builtin_ia32_addcarry_u32, "UcUcUiUiUi*", "", "")
	TARGET_BUILTIN(__builtin_ia32_subborrow_u32, "UcUcUiUiUi*", "", "")			TARGET_BUILTIN(__builtin_ia32_subborrow_u32, "UcUcUiUiUi*", "", "")

	// RDSEED			// RDSEED
	▲ Show 20 Lines • Show All 1,224 Lines • Show Last 20 Lines

cfe/trunk/lib/Headers/ia32intrin.h

	Show First 20 Lines • Show All 64 Lines • ▼ Show 20 Lines
	__rdtscp(unsigned int *__A) {			__rdtscp(unsigned int *__A) {
	return __builtin_ia32_rdtscp(__A);			return __builtin_ia32_rdtscp(__A);
	}			}

	#define _rdtsc() __rdtsc()			#define _rdtsc() __rdtsc()

	#define _rdpmc(A) __rdpmc(A)			#define _rdpmc(A) __rdpmc(A)

				static __inline__ void __attribute__((__always_inline__, __nodebug__))
				_wbinvd(void) {
				return __builtin_ia32_wbinvd();
				}

	#endif /* __IA32INTRIN_H */			#endif /* __IA32INTRIN_H */

cfe/trunk/test/CodeGen/builtin-wbinvd.c

Property	Old Value	New Value
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svn:mime-type	null	text/plain \ No newline at end of property

				// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror \| FileCheck %s
				// RUN: %clang_cc1 %s -ffreestanding -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror \| FileCheck %s

				#include <x86intrin.h>

				void test_wbinvd(void) {
				//CHECK-LABEL: @test_wbinvd
				//CHECK: call void @llvm.x86.wbinvd()
				_wbinvd();
				}