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internal/sm2ec: arm64, uses new method to load y2

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Sun Yimin 2023-11-08 14:00:07 +08:00 committed by GitHub
parent 84045dc25f
commit 795152631d
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1 changed files with 2 additions and 4 deletions
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internal/sm2ec/p256_asm_arm64.s
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@ -1191,10 +1191,6 @@ TEXT ·p256PointAddAffineAsm(SB),0,$264-48
CSEL EQ, y3, acc3, y3 CSEL EQ, y3, acc3, y3
// Store result // Store result
STy(y2in) STy(y2in)
VMOV y0, V8.D[0] // save y2
VMOV y1, V8.D[1]
VMOV y2, V9.D[0]
VMOV y3, V9.D[1]
// Begin point add // Begin point add
LDx(z1in) LDx(z1in)
@ -1286,6 +1282,8 @@ TEXT ·p256PointAddAffineAsm(SB),0,$264-48
// If zero is 0, sets res = in2 // If zero is 0, sets res = in2
VLD1 (b_ptr), [V6.B16, V7.B16] VLD1 (b_ptr), [V6.B16, V7.B16]
MOVD $8, hlp1
VLD1 (hlp1)(RSP), [V8.B16, V9.B16]
MOVD $p256one<>(SB), hlp1 MOVD $p256one<>(SB), hlp1
VLD1 (hlp1), [V10.B16, V11.B16] VLD1 (hlp1), [V10.B16, V11.B16]
VBIT V14.B16, V6.B16, V0.B16 VBIT V14.B16, V6.B16, V0.B16