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powerpc/lib: Clarify that adde is an instruction and we mean plural

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Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Stewart Smith 2016-05-23 11:27:01 +10:00 committed by Michael Ellerman
parent fdb4f6e99f
commit ec5619fdba
1 changed files with 6 additions and 6 deletions
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12
arch/powerpc/lib/checksum_64.S
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@ -74,9 +74,9 @@ _GLOBAL(__csum_partial)
ld r11,24(r3)
/*
* On POWER6 and POWER7 back to back addes take 2 cycles because of
* the XER dependency. This means the fastest this loop can go is
* 16 cycles per iteration. The scheduling of the loop below has
* On POWER6 and POWER7 back to back adde instructions take 2 cycles
* because of the XER dependency. This means the fastest this loop can
* go is 16 cycles per iteration. The scheduling of the loop below has
* been shown to hit this on both POWER6 and POWER7.
*/
.align 5
@ -275,9 +275,9 @@ source; ld r10,16(r3)
source; ld r11,24(r3)
/*
* On POWER6 and POWER7 back to back addes take 2 cycles because of
* the XER dependency. This means the fastest this loop can go is
* 16 cycles per iteration. The scheduling of the loop below has
* On POWER6 and POWER7 back to back adde instructions take 2 cycles
* because of the XER dependency. This means the fastest this loop can
* go is 16 cycles per iteration. The scheduling of the loop below has
* been shown to hit this on both POWER6 and POWER7.
*/
.align 5