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(parent: 7fe977d) | patch
x86-64, asm: If the assembler supports fxsave64, use it
authorH. Peter Anvin <hpa@linux.intel.com>
Wed, 13 Oct 2010 23:00:29 +0000 (16:00 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Wed, 13 Oct 2010 23:00:29 +0000 (16:00 -0700)
commitd7acb92fea932ad2e7846480aeacddc2c03c8485
tree21675108634aff8885cb881a476acf7146191b87tree | snapshot (tar.gz zip)
parent7fe977dab356fbd7e86aa10bf83891761107c57ccommit | diff
x86-64, asm: If the assembler supports fxsave64, use it

Kbuild allows for us to probe for the existence of specific constructs
in the assembler, use them to find out if we can use fxsave64 and
permit the compiler to generate better code.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
arch/x86/Makefile diff | blob | blame | history
arch/x86/include/asm/i387.h diff | blob | blame | history