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internal/sm2ec: s390x uses VLM/VSTM optimize load/store

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Sun Yimin 2024-08-26 17:39:02 +08:00 committed by GitHub
parent f0165e8bb2
commit 9034606fc7
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1 changed files with 26 additions and 69 deletions
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95
internal/sm2ec/p256_asm_s390x.s
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@ -166,20 +166,7 @@ TEXT ·p256MovCond(SB), NOSPLIT, $0
VCEQG SEL1, ZER, SEL1
VLM (P1ptr), X1H, Z1L
// VL 0(P1ptr), X1H
// VL 16(P1ptr), X1L
// VL 32(P1ptr), Y1H
// VL 48(P1ptr), Y1L
// VL 64(P1ptr), Z1H
// VL 80(P1ptr), Z1L
VLM (P2ptr), X2H, Z2L
// VL 0(P2ptr), X2H
// VL 16(P2ptr), X2L
// VL 32(P2ptr), Y2H
// VL 48(P2ptr), Y2L
// VL 64(P2ptr), Z2H
// VL 80(P2ptr), Z2L
VSEL X2L, X1L, SEL1, X1L
VSEL X2H, X1H, SEL1, X1H
@ -189,12 +176,6 @@ TEXT ·p256MovCond(SB), NOSPLIT, $0
VSEL Z2H, Z1H, SEL1, Z1H
VSTM X1H, Z1L, (P3ptr)
// VST X1H, 0(P3ptr)
// VST X1L, 16(P3ptr)
// VST Y1H, 32(P3ptr)
// VST Y1L, 48(P3ptr)
// VST Z1H, 64(P3ptr)
// VST Z1L, 80(P3ptr)
RET
@ -226,18 +207,18 @@ TEXT ·p256MovCond(SB), NOSPLIT, $0
#define LIMIT R3
#define COUNT R4
#define X1L V0
#define X1H V1
#define Y1L V2
#define Y1H V3
#define Z1L V4
#define Z1H V5
#define X2L V6
#define X2H V7
#define Y2L V8
#define Y2H V9
#define Z2L V10
#define Z2H V11
#define X1L V1
#define X1H V0
#define Y1L V3
#define Y1H V2
#define Z1L V5
#define Z1H V4
#define X2L V7
#define X2H V6
#define Y2L V9
#define Y2H V8
#define Z2L V11
#define Z2H V10
#define ONE V18
#define IDX V19
@ -260,12 +241,7 @@ TEXT ·p256Select(SB), NOSPLIT, $0
VZERO Z1L
loop_select:
VL 0(P1ptr), X2H
VL 16(P1ptr), X2L
VL 32(P1ptr), Y2H
VL 48(P1ptr), Y2L
VL 64(P1ptr), Z2H
VL 80(P1ptr), Z2L
VLM (P1ptr), X2H, Z2L
VCEQG SEL2, IDX, SEL1
@ -280,15 +256,9 @@ loop_select:
ADD $96, P1ptr
ADD $1, COUNT
CMPBLE COUNT, LIMIT, loop_select
//CMPW COUNT, $33
//BLT loop_select
VST X1H, 0(P3ptr)
VST X1L, 16(P3ptr)
VST Y1H, 32(P3ptr)
VST Y1L, 48(P3ptr)
VST Z1H, 64(P3ptr)
VST Z1L, 80(P3ptr)
VSTM X1H, Z1L, (P3ptr)
RET
#undef P3ptr
@ -464,18 +434,14 @@ TEXT ·p256FromMont(SB), NOSPLIT, $0
#define COUNT R4
#define CPOOL R5
#define X1L V0
#define X1H V1
#define Y1L V2
#define Y1H V3
#define Z1L V4
#define Z1H V5
#define X2L V6
#define X2H V7
#define Y2L V8
#define Y2H V9
#define Z2L V10
#define Z2H V11
#define X1L V1
#define X1H V0
#define Y1L V3
#define Y1H V2
#define X2L V7
#define X2H V6
#define Y2L V9
#define Y2H V8
#define ONE V18
#define IDX V19
@ -497,10 +463,7 @@ TEXT ·p256SelectAffine(SB), NOSPLIT, $0
VZERO Y1L
loop_select:
VL 0(P1ptr), X2H
VL 16(P1ptr), X2L
VL 32(P1ptr), Y2H
VL 48(P1ptr), Y2L
VLM (P1ptr), X2H, Y2L
VCEQG SEL2, IDX, SEL1
@ -514,10 +477,8 @@ loop_select:
ADD $64, P1ptr
CMPW COUNT, $33
BLT loop_select
VST X1H, 0(P3ptr)
VST X1L, 16(P3ptr)
VST Y1H, 32(P3ptr)
VST Y1L, 48(P3ptr)
VSTM X1H, Y1L, (P3ptr)
RET
@ -528,14 +489,10 @@ loop_select:
#undef X1H
#undef Y1L
#undef Y1H
#undef Z1L
#undef Z1H
#undef X2L
#undef X2H
#undef Y2L
#undef Y2H
#undef Z2L
#undef Z2H
#undef ONE
#undef IDX
#undef SEL1