Messages in this thread | | | Subject | Re: [PATCH] powerpc/32: Remove one insn in __bswapdi2 | From | Christophe Leroy <> | Date | Wed, 10 Aug 2016 12:18:15 +0200 |
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Le 10/08/2016 à 10:56, Gabriel Paubert a écrit : > On Fri, Aug 05, 2016 at 01:28:02PM +0200, Christophe Leroy wrote: >> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> >> --- >> arch/powerpc/kernel/misc_32.S | 3 +-- >> 1 file changed, 1 insertion(+), 2 deletions(-) >> >> diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S >> index e025230..e18055c 100644 >> --- a/arch/powerpc/kernel/misc_32.S >> +++ b/arch/powerpc/kernel/misc_32.S >> @@ -578,9 +578,8 @@ _GLOBAL(__bswapdi2) >> rlwimi r9,r4,24,0,7 >> rlwimi r10,r3,24,0,7 >> rlwimi r9,r4,24,16,23 >> - rlwimi r10,r3,24,16,23 >> + rlwimi r4,r3,24,16,23 >> mr r3,r9 >> - mr r4,r10 >> blr >> > > Hmmm, are you sure that it works? rlwimi is a bit special since the > first operand is both an input and an output of the instruction. > >
Oops, you are right ...
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