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Fix sha256 implementation to fit changes in Go assembly for avx2 dete… #3

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Fix sha256 implementation to fit changes in Go assembly for avx2 dete… #3

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7 changes: 7 additions & 0 deletions zsl-golang/zsl/sha256/sha256block_amd64.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
package sha256

import (
"golang.org/x/sys/cpu"
)

var useAVX2 = cpu.X86.HasAVX2 && cpu.X86.HasBMI2
4 changes: 3 additions & 1 deletion zsl-golang/zsl/sha256/sha256block_amd64.s
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Expand Up @@ -559,7 +559,9 @@
ADDL y3, h // h = t1 + S0 + MAJ // --

TEXT ·block(SB), 0, $536-32
CMPB runtime·support_avx2(SB), $1
// CMPB runtime·support_avx2(SB), $1
CMPB ·useAVX2(SB), $1

JE avx2

MOVQ p_base+8(FP), SI
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