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sm3: ppc64x transpose matrix #265

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Sun Yimin 2024-11-12 08:56:17 +08:00 committed by GitHub
parent 27ba0a040c
commit b22aeea329
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1 changed files with 9 additions and 33 deletions
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42
sm3/sm3blocks_ppc64x.s
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@ -15,10 +15,6 @@
#define g V5
#define d V6
#define h V7
#define M0 V8
#define M1 V9
#define M2 V10
#define M3 V11
#define TMP0 V12
#define TMP1 V13
#define TMP2 V14
@ -32,22 +28,11 @@
#define R_x08 R15
#define R_x10 R16
#define R_x18 R17
#define R_x20 R18
#define R_x30 R19
#define R_TMP R19
DATA ·mask+0x00(SB)/8, $0x0b0a09080f0e0d0c // byte swap per word
DATA ·mask+0x08(SB)/8, $0x0302010007060504
DATA ·mask+0x10(SB)/8, $0x0001020310111213 // Permute for transpose matrix
DATA ·mask+0x18(SB)/8, $0x0405060714151617
DATA ·mask+0x20(SB)/8, $0x08090a0b18191a1b
DATA ·mask+0x28(SB)/8, $0x0c0d0e0f1c1d1e1f
DATA ·mask+0x30(SB)/8, $0x0001020304050607
DATA ·mask+0x38(SB)/8, $0x1011121314151617
DATA ·mask+0x40(SB)/8, $0x08090a0b0c0d0e0f
DATA ·mask+0x48(SB)/8, $0x18191a1b1c1d1e1f
GLOBL ·mask(SB), RODATA, $80
GLOBL ·mask(SB), RODATA, $16
#ifdef GOARCH_ppc64le
#define NEEDS_PERMW
@ -93,14 +78,14 @@ GLOBL ·mask(SB), RODATA, $80
ADD $16, wordPtr
#define TRANSPOSE_MATRIX(T0, T1, T2, T3) \
VPERM T0, T1, M0, TMP0; \
VPERM T2, T3, M0, TMP1; \
VPERM T0, T1, M1, TMP2; \
VPERM T2, T3, M1, TMP3; \
VPERM TMP0, TMP1, M2, T0; \
VPERM TMP0, TMP1, M3, T1; \
VPERM TMP2, TMP3, M2, T2; \
VPERM TMP2, TMP3, M3, T3
VMRGEW T0, T1, TMP0; \
VMRGEW T2, T3, TMP1; \
VMRGOW T0, T1, TMP2; \
VMRGOW T2, T3, TMP3; \
XXPERMDI TMP0, TMP1, $0, T0; \
XXPERMDI TMP0, TMP1, $3, T2; \
XXPERMDI TMP2, TMP3, $0, T1; \
XXPERMDI TMP2, TMP3, $3, T3
// Load constant T, How to simlify it?
// Solution 1: big constant table like sha256block_ppc64x.s
@ -203,19 +188,10 @@ TEXT ·blockMultBy4(SB), NOSPLIT, $0
MOVD $8, R_x08
MOVD $16, R_x10
MOVD $24, R_x18
MOVD $32, R_x20
MOVD $48, R_x30
#ifdef NEEDS_PERMW
MOVD $·mask(SB), R4
LVX (R4), ESPERMW
ADD $0x10, R4
#else
MOVD $·mask+0x10(SB), R4
#endif
LXVD2X (R0)(R4), M0
LXVD2X (R_x10)(R4), M1
LXVD2X (R_x20)(R4), M2
LXVD2X (R_x30)(R4), M3
#define digPtr R11
#define srcPtrPtr R5
#define statePtr R4