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crypto/sha256, crypto/sha512: fix argument size in assembly

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The function takes 32 bytes of arguments: 8 for the *block
and then 3*8 for the slice.

The 24 is not causing a bug (today at least) because the
final word is the cap of the slice, which the assembly
does not use.

Identified by 'go vet std'.

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/96360043
This commit is contained in:
Russ Cox 2014-05-15 15:34:25 -04:00
parent 435ba1295a
commit fbd0915008
2 changed files with 2 additions and 2 deletions
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2
src/pkg/crypto/sha256/sha256block_amd64.s
View File

@ -140,7 +140,7 @@
MSGSCHEDULE1(index); \
SHA256ROUND(index, const, a, b, c, d, e, f, g, h)
TEXT ·block(SB),0,$264-24
TEXT ·block(SB),0,$264-32
MOVQ p_base+8(FP), SI
MOVQ p_len+16(FP), DX
SHRQ $6, DX

2
src/pkg/crypto/sha512/sha512block_amd64.s
View File

@ -141,7 +141,7 @@
MSGSCHEDULE1(index); \
SHA512ROUND(index, const, a, b, c, d, e, f, g, h)
TEXT ·block(SB),0,$648-24
TEXT ·block(SB),0,$648-32
MOVQ p_base+8(FP), SI
MOVQ p_len+16(FP), DX
SHRQ $7, DX