This commit is contained in:
Emman 2021-12-23 17:03:35 +08:00
parent 23f34edc6e
commit 0739be6966

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@ -400,27 +400,24 @@ TEXT ·p256Mul(SB),NOSPLIT,$0
MOVQ DX, acc4 MOVQ DX, acc4
XORQ acc5, acc5 XORQ acc5, acc5
// First reduction step // First reduction step
MOVQ p256p<>+0x08(SB), AX MOVQ acc0, AX
MULQ acc0 MOVQ acc0, DX
ADDQ acc0, acc1 SHLQ $32, AX
ADCQ $0, DX SHRQ $32, DX
ADDQ AX, acc1 MOVQ acc0, t0
ADCQ $0, DX SUBQ AX, t0
MOVQ DX, t1 SUBQ DX, acc0
MOVQ p256p<>+0x010(SB), AX
MULQ acc0 ADDQ t0, acc1
ADDQ t1, acc2 ADCQ $0, acc2
ADCQ $0, DX ADCQ $0, acc3
ADDQ AX, acc2 ADCQ acc0, acc4
ADCQ $0, DX
MOVQ DX, t1
MOVQ p256p<>+0x018(SB), AX
MULQ acc0
ADDQ t1, acc3
ADCQ $0, DX
ADDQ AX, acc3
ADCQ DX, acc4
ADCQ $0, acc5 ADCQ $0, acc5
SUBQ DX, acc2
SBBQ AX, acc3
SBBQ $0, acc4
SBBQ $0, acc5
XORQ acc0, acc0 XORQ acc0, acc0
// x * y[1] // x * y[1]