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Add MS __nop intrinsic to intrin.h
ClosedPublic

Authored by agutowski on Sep 6 2016, 5:10 PM.

Reviewers

thakis
rnk

Commits

Summary

There was no definition for __nop function - added inline assembly.

agutowski retitled this revision from to Add MS __nop intrinsic to intrin.h.

agutowski updated this object.

agutowski added reviewers: rnk, thakis.

agutowski added a subscriber: cfe-commits.

Looks great, thanks!

This revision is now accepted and ready to land.Sep 7 2016, 8:05 AM

This revision was automatically updated to reflect the committed changes.

Path

Size

lib/

Headers/

	intrin.h
	intrin.h (revision 280762)

5 lines

test/

Headers/

	ms-intrin.cpp
	ms-intrin.cpp (revision 280762)

1 line

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	void __movsd(unsigned long , unsigned long const , size_t);	void __movsd(unsigned long , unsigned long const , size_t);
	static __inline__	static __inline__
	void __movsw(unsigned short , unsigned short const , size_t);	void __movsw(unsigned short , unsigned short const , size_t);
		static __inline__
	void __nop(void);	void __nop(void);
	void __nvreg_restore_fence(void);	void __nvreg_restore_fence(void);
	void __nvreg_save_fence(void);	void __nvreg_save_fence(void);
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	__halt(void) {	__halt(void) {
	__asm__ volatile ("hlt");	__asm__ volatile ("hlt");
	}	}
		static __inline__ void __DEFAULT_FN_ATTRS
		__nop(void) {
		__asm__ volatile ("nop");
		}
	#endif	#endif

	/----------------------------------------------------------------------------\	/----------------------------------------------------------------------------\
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	__cpuidex(info, 0, 0);	__cpuidex(info, 0, 0);
	_xgetbv(0);	_xgetbv(0);
	__halt();	__halt();
		__nop();
	__readmsr(0);	__readmsr(0);

	// FIXME: Call these in 64-bit too once the intrinsics have been fixed to	// FIXME: Call these in 64-bit too once the intrinsics have been fixed to
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