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powerpc: Align thread->fpr to 16 bytes

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On newer CPUs we use VSX loads and stores to the thread->fpr array.
For best performance we need to ensure 16 byte alignment.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2013-06-05 13:02:26 +10:00 committed by Benjamin Herrenschmidt
parent 1b7e0cbe49
commit 475e68cfdd
1 changed files with 1 additions and 1 deletions
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arch/powerpc/include/asm/processor.h
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@ -200,7 +200,7 @@ struct thread_struct {
#endif
#endif
/* FP and VSX 0-31 register set */
double fpr[32][TS_FPRWIDTH];
double fpr[32][TS_FPRWIDTH] __attribute__((aligned(16)));
struct {
unsigned int pad;