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runtime: fix fallback logic for aeshash on 32/64 bit

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We were using the fallback hash unconditionally.  Oops.

Fixes #37212

Change-Id: Id37d4f5c08806fdda12a3148ba4dbc46676eeb54
Reviewed-on: https://go-review.googlesource.com/c/go/+/219337
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Keith Randall 2020-02-13 07:37:28 -08:00
parent 363bcd0068
commit e237df5b53
1 changed files with 0 additions and 2 deletions
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2
src/runtime/asm_amd64.s
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@ -1244,7 +1244,6 @@ aesloop:
TEXT runtime·memhash32(SB),NOSPLIT,$0-24
CMPB runtime·useAeshash(SB), $0
JEQ noaes
JMP runtime·memhash32Fallback(SB)
MOVQ p+0(FP), AX // ptr to data
MOVQ h+8(FP), X0 // seed
PINSRD $2, (AX), X0 // data
@ -1260,7 +1259,6 @@ noaes:
TEXT runtime·memhash64(SB),NOSPLIT,$0-24
CMPB runtime·useAeshash(SB), $0
JEQ noaes
JMP runtime·memhash64Fallback(SB)
MOVQ p+0(FP), AX // ptr to data
MOVQ h+8(FP), X0 // seed
PINSRQ $1, (AX), X0 // data