* [PATCH] powerpc: Add alignment handler for new lfiwzx instruction
@ 2009-02-20 4:51 Michael Neuling
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From: Michael Neuling @ 2009-02-20 4:51 UTC (permalink / raw)
To: benh; +Cc: linuxppc-dev
lfiwzx is a new floating point load instruction in 2.06 that needs an
alignment handler for Linux.
Turns out to be the worlds easiest handler to add.
Signed-off-by: Michael Neuling <mikey@neuling.org>
---
Benh: this is for 2.6.30, but would be nice to be back in 2.6.27/28/29
too.
arch/powerpc/kernel/align.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6-ozlabs/arch/powerpc/kernel/align.c
===================================================================
--- linux-2.6-ozlabs.orig/arch/powerpc/kernel/align.c
+++ linux-2.6-ozlabs/arch/powerpc/kernel/align.c
@@ -187,7 +187,7 @@ static struct aligninfo aligninfo[128] =
{ 4, ST+F+S+U }, /* 11 1 1010: stfsux */
{ 8, ST+F+U }, /* 11 1 1011: stfdux */
INVALID, /* 11 1 1100 */
- INVALID, /* 11 1 1101 */
+ { 4, LD+F }, /* 11 1 1101: lfiwzx */
INVALID, /* 11 1 1110 */
INVALID, /* 11 1 1111 */
};
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2009-02-20 4:51 [PATCH] powerpc: Add alignment handler for new lfiwzx instruction Michael Neuling
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