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sm3: ppc64x transpose 4x4 matrix 1

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Sun Yimin 2024-09-05 16:43:24 +08:00 committed by GitHub
parent 69be0eae4c
commit 25c20a974a
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2 changed files with 33 additions and 52 deletions
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2
.github/workflows/test_ppc64.yaml vendored
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@ -16,7 +16,7 @@ jobs:
matrix:
go-version: [1.19.x]
arch: [ppc64le]
ppc64: [power8,power9]
ppc64: [power8]
runs-on: ubuntu-latest
steps:
- name: Set up Go

83
sm3/sm3blocks_ppc64x.s
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@ -7,11 +7,11 @@
#include "textflag.h"
// For P9 instruction emulation
#define ESPERM V21 // Endian swapping permute into BE
#define ESPERMW V21 // Endian swapping permute into BE
#define TMP2 V22 // Temporary for P8_STXVB16X/P8_STXVB16X
DATA ·mask+0x00(SB)/8, $0x0f0e0d0c0b0a0908 // Permute for vector doubleword endian swap
DATA ·mask+0x08(SB)/8, $0x0706050403020100
DATA ·mask+0x00(SB)/8, $0x0c0d0e0f08090a0b // Permute for vector doubleword endian swap
DATA ·mask+0x08(SB)/8, $0x0405060700010203
DATA ·mask+0x10(SB)/8, $0x0001020310111213 // Permute for transpose matrix
DATA ·mask+0x18(SB)/8, $0x0405060714151617
DATA ·mask+0x20(SB)/8, $0x08090a0b18191a1b
@ -23,25 +23,19 @@ DATA ·mask+0x48(SB)/8, $0x18191a1b1c1d1e1f
GLOBL ·mask(SB), RODATA, $80
#ifdef GOARCH_ppc64le
# ifdef GOPPC64_power9
#define P8_LXVB16X(RA,RB,VT) LXVB16X (RA+RB), VT
#define P8_STXVB16X(VS,RA,RB) STXVB16X VS, (RA+RB)
# else
// On POWER8/ppc64le, emulate the POWER9 instructions by loading unaligned
// doublewords and byte-swapping each doubleword to emulate BE load/stores.
#define NEEDS_ESPERM
#define P8_LXVB16X(RA,RB,VT) \
LXVD2X (RA+RB), VT \
VPERM VT, VT, ESPERM, VT
#define P8_STXVB16X(VS,RA,RB) \
VPERM VS, VS, ESPERM, TMP2 \
#define LOADWORDS(RA,RB,VT) \
LXVD2X (RA+RB), VT \
VPERM VT, VT, ESPERMW, VT
#define STOREWORDS(VS,RA,RB) \
VPERM VS, VS, ESPERMW, TMP2 \
STXVD2X TMP2, (RA+RB)
# endif // defined(GOPPC64_power9)
#else
#define P8_LXVB16X(RA,RB,VT) LXVD2X (RA+RB), VT
#define P8_STXVB16X(VS,RA,RB) STXVD2X VS, (RA+RB)
#define LOADWORDS(RA,RB,VT) LXVD2X (RA+RB), VT
#define STOREWORDS(VS,RA,RB) STXVD2X VS, (RA+RB)
#endif // defined(GOARCH_ppc64le)
#define TRANSPOSE_MATRIX(T0, T1, T2, T3, M0, M1, M2, M3, TMP0, TMP1, TMP2, TMP3) \
@ -65,57 +59,44 @@ TEXT ·transposeMatrix(SB),NOSPLIT,$0
#ifdef NEEDS_ESPERM
MOVD $·mask(SB), R4
LVX (R4), ESPERM
LVX (R4), ESPERMW
ADD $0x10, R4
#else
MOVD $·mask+0x10(SB), R4
#endif
/*
LVX (R0)(R4), V8
LVX (R6)(R4), V9
LVX (R8)(R4), V10
LVX (R9)(R4), V11
LXVD2X (R0)(R4), V8
LXVD2X (R6)(R4), V9
LXVD2X (R8)(R4), V10
LXVD2X (R9)(R4), V11
MOVD (R0)(R3), R4
P8_LXVB16X(R4, R0, V0)
P8_LXVB16X(R4, R6, V4)
LOADWORDS(R4, R0, V0)
LOADWORDS(R4, R6, V4)
MOVD (R5)(R3), R4
P8_LXVB16X(R4, R0, V1)
P8_LXVB16X(R4, R6, V5)
LOADWORDS(R4, R0, V1)
LOADWORDS(R4, R6, V5)
MOVD (R6)(R3), R4
P8_LXVB16X(R4, R0, V2)
P8_LXVB16X(R4, R6, V6)
LOADWORDS(R4, R0, V2)
LOADWORDS(R4, R6, V6)
MOVD (R7)(R3), R4
P8_LXVB16X(R4, R0, V3)
P8_LXVB16X(R4, R6, V7)
LOADWORDS(R4, R0, V3)
LOADWORDS(R4, R6, V7)
TRANSPOSE_MATRIX(V0, V1, V2, V3, V8, V9, V10, V11, V12, V13, V14, V15)
TRANSPOSE_MATRIX(V4, V5, V6, V7, V8, V9, V10, V11, V12, V13, V14, V15)
MOVD (R0)(R3), R4
P8_STXVB16X(V0, R4, R0)
P8_STXVB16X(V4, R4, R6)
STOREWORDS(V0, R4, R0)
STOREWORDS(V4, R4, R6)
MOVD (R5)(R3), R4
P8_STXVB16X(V1, R4, R0)
P8_STXVB16X(V5, R4, R6)
STOREWORDS(V1, R4, R0)
STOREWORDS(V5, R4, R6)
MOVD (R6)(R3), R4
P8_STXVB16X(V2, R4, R0)
P8_STXVB16X(V6, R4, R6)
STOREWORDS(V2, R4, R0)
STOREWORDS(V6, R4, R6)
MOVD (R7)(R3), R4
P8_STXVB16X(V3, R4, R0)
P8_STXVB16X(V7, R4, R6)
*/
MOVD (R0)(R3), R4
VSPLTW $0, ESPERM, V2
STXVD2X V2, (R0)(R4)
VSPLTW $1, ESPERM, V2
STXVD2X V2, (R6)(R4)
MOVD (R5)(R3), R4
VSPLTW $2, ESPERM, V2
STXVD2X V2, (R0)(R4)
VSPLTW $3, ESPERM, V2
STXVD2X V2, (R6)(R4)
STOREWORDS(V3, R4, R0)
STOREWORDS(V7, R4, R6)
RET