[PATCH, i386]: Backport PR target/38254 to 4.3 branch

Uros Bizjak ubizjak@gmail.com
Mon Dec 1 12:39:00 GMT 2008


Hello!

This patch backports PR target/38254 to 4.3 branch.

2008-12-01  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2008-11-25  Uros Bizjak  <ubizjak@gmail.com>

	PR target/38254
	* config/i386/sync.md (memory_barrier_nosse): New insn pattern.
	(memory_barrier): Generate memory_barrier_nosse insn for
	!(TARGET_64BIT || TARGET_SSE2).
	* config/i386/sse.md (*sse2_mfence): Also enable for TARGET_64BIT.

Patch was tested on i686-pc-linux-gnu, committed to 4.3 branch.

Uros.
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