From 0739be69661b0afd512de2c1d694adaeb8efd0b6 Mon Sep 17 00:00:00 2001 From: Emman Date: Thu, 23 Dec 2021 17:03:35 +0800 Subject: [PATCH] test --- sm2/p256_asm_amd64.s | 37 +++++++++++++++++-------------------- 1 file changed, 17 insertions(+), 20 deletions(-) diff --git a/sm2/p256_asm_amd64.s b/sm2/p256_asm_amd64.s index 3bbcce5..2e13d3d 100644 --- a/sm2/p256_asm_amd64.s +++ b/sm2/p256_asm_amd64.s @@ -400,27 +400,24 @@ TEXT ·p256Mul(SB),NOSPLIT,$0 MOVQ DX, acc4 XORQ acc5, acc5 // First reduction step - MOVQ p256p<>+0x08(SB), AX - MULQ acc0 - ADDQ acc0, acc1 - ADCQ $0, DX - ADDQ AX, acc1 - ADCQ $0, DX - MOVQ DX, t1 - MOVQ p256p<>+0x010(SB), AX - MULQ acc0 - ADDQ t1, acc2 - ADCQ $0, DX - ADDQ AX, acc2 - 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 + MOVQ acc0, AX + MOVQ acc0, DX + SHLQ $32, AX + SHRQ $32, DX + MOVQ acc0, t0 + SUBQ AX, t0 + SUBQ DX, acc0 + + ADDQ t0, acc1 + ADCQ $0, acc2 + ADCQ $0, acc3 + ADCQ acc0, acc4 ADCQ $0, acc5 + + SUBQ DX, acc2 + SBBQ AX, acc3 + SBBQ $0, acc4 + SBBQ $0, acc5 XORQ acc0, acc0 // x * y[1]