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blake2b: fix build on non-amd64 platforms

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Change-Id: Ib9ebb1a2eff4b61f60453086be5c63ac7af1f7fc
Reviewed-on: https://go-review.googlesource.com/34672
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@golang.org>
This commit is contained in:
Mikio Hara
2016-12-21 23:57:47 +00:00
committed by Adam Langley
parent f5719d2458
commit f6b343c37c
6 changed files with 24 additions and 19 deletions
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blake2b/blake2b.go
+6
View File
@@ -23,6 +23,12 @@ const (
Size256 = 32
)
var (
useAVX2 bool
useAVX bool
useSSE4 bool
)
var errKeySize = errors.New("blake2b: invalid key size")
var iv = [8]uint64{
blake2b/blake2bAVX2_amd64.go
+8 -6
View File
@@ -6,18 +6,20 @@
package blake2b
var useAVX2 = supportAVX2()
var useAVX = supportAVX()
var useSSE4 = supportSSE4()
func init() {
useAVX2 = supportsAVX2()
useAVX = supportsAVX()
useSSE4 = supportsSSE4()
}
//go:noescape
func supportSSE4() bool
func supportsSSE4() bool
//go:noescape
func supportAVX() bool
func supportsAVX() bool
//go:noescape
func supportAVX2() bool
func supportsAVX2() bool
//go:noescape
func hashBlocksAVX2(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
blake2b/blake2bAVX2_amd64.s
+4 -4
View File
@@ -489,14 +489,14 @@ noinc:
MOVQ BP, SP
RET
// func supportAVX2() bool
TEXT ·supportAVX2(SB), 4, $0-1
// func supportsAVX2() bool
TEXT ·supportsAVX2(SB), 4, $0-1
MOVQ runtime·support_avx2(SB), AX
MOVB AX, ret+0(FP)
RET
// func supportAVX() bool
TEXT ·supportAVX(SB), 4, $0-1
// func supportsAVX() bool
TEXT ·supportsAVX(SB), 4, $0-1
MOVQ runtime·support_avx(SB), AX
MOVB AX, ret+0(FP)
RET
blake2b/blake2b_amd64.go
+4 -4
View File
@@ -6,12 +6,12 @@
package blake2b
var useAVX2 = false
var useAVX = false
var useSSE4 = supportSSE4()
func init() {
useSSE4 = supportsSSE4()
}
//go:noescape
func supportSSE4() bool
func supportsSSE4() bool
//go:noescape
func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
blake2b/blake2b_amd64.s
+2 -2
View File
@@ -280,8 +280,8 @@ noinc:
MOVQ BP, SP
RET
// func supportSSE4() bool
TEXT ·supportSSE4(SB), 4, $0-1
// func supportsSSE4() bool
TEXT ·supportsSSE4(SB), 4, $0-1
MOVL $1, AX
CPUID
SHRL $19, CX // Bit 19 indicates SSE4 support
blake2b/blake2b_ref.go
-3
View File
@@ -6,9 +6,6 @@
package blake2b
var useAVX2 = false
var useSSE4 = false
func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) {
hashBlocksGeneric(h, c, flag, blocks)
}