mirror/gmsm
1
0
Fork 0
mirror of https://github.com/emmansun/gmsm.git synced 2025-04-27 04:36:19 +08:00
Code Issues Packages Projects Releases Wiki Activity

sm3: ppc64x copyResultsBy4

Browse Source
This commit is contained in:
Sun Yimin 2024-09-05 17:33:12 +08:00 committed by GitHub
parent 25c20a974a
commit d2b1d1b0d6
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 66 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sm3/sm3blocks_ppc64x.go
View File

@ -8,3 +8,6 @@ package sm3
//go:noescape
func transposeMatrix(dig **[8]uint32)
//go:noescape
func copyResultsBy4(dig *uint32, p *byte)

40
sm3/sm3blocks_ppc64x.s
View File

@ -8,7 +8,7 @@
// For P9 instruction emulation
#define ESPERMW V21 // Endian swapping permute into BE
#define TMP2 V22 // Temporary for P8_STXVB16X/P8_STXVB16X
#define TMP2 V22 // Temporary for STOREWORDS
DATA ·mask+0x00(SB)/8, $0x0c0d0e0f08090a0b // Permute for vector doubleword endian swap
DATA ·mask+0x08(SB)/8, $0x0405060700010203
@ -100,3 +100,41 @@ TEXT ·transposeMatrix(SB),NOSPLIT,$0
STOREWORDS(V7, R4, R6)
RET
// func copyResultsBy4(dig *uint32, dst *byte)
TEXT ·copyResultsBy4(SB),NOSPLIT,$0
MOVD dig+0(FP), R3
MOVD dst+8(FP), R4
LXVD2X (R0)(R3), V0
STXVD2X V0, (R0)(R4)
MOVD $16, R5
LXVD2X (R5)(R3), V0
STXVD2X V0, (R5)(R4)
ADD $16, R5
LXVD2X (R5)(R3), V0
STXVD2X V0, (R5)(R4)
ADD $16, R5
LXVD2X (R5)(R3), V0
STXVD2X V0, (R5)(R4)
ADD $16, R5
LXVD2X (R5)(R3), V0
STXVD2X V0, (R5)(R4)
ADD $16, R5
LXVD2X (R5)(R3), V0
STXVD2X V0, (R5)(R4)
ADD $16, R5
LXVD2X (R5)(R3), V0
STXVD2X V0, (R5)(R4)
ADD $16, R5
LXVD2X (R5)(R3), V0
STXVD2X V0, (R5)(R4)
RET

24
sm3/sm3blocks_ppc64x_test.go
View File

@ -7,6 +7,7 @@
package sm3
import (
"encoding/binary"
"fmt"
"testing"
)
@ -33,3 +34,26 @@ func TestTransposeMatrix(t *testing.T) {
fmt.Println()
}
}
func TestCopyResultsBy4(t *testing.T) {
var m [4][8]uint32
var ret [128]byte
var k uint32 = 0
for i := 0; i < 4; i++ {
for j := 0; j < 8; j++ {
m[i][j] = k
k++
fmt.Printf("%08x ", m[i][j])
}
fmt.Println()
}
copyResultsBy4(&m[0][0], &ret[0])
fmt.Printf("got: %x\n", ret[:])
for i := 0; i < 4; i++ {
for j := 0; j < 8; j++ {
binary.BigEndian.PutUint32(ret[i*32+j*4:], m[i][j])
}
}
fmt.Printf("expected %x\n", ret[:])
}