From 3a701fe2d897c95b0b51213a1e520fdcfb2cf089 Mon Sep 17 00:00:00 2001 From: Emman Date: Thu, 23 Dec 2021 17:10:01 +0800 Subject: [PATCH] Revert "test" This reverts commit 0739be69661b0afd512de2c1d694adaeb8efd0b6. --- sm2/p256_asm_amd64.s | 37 ++++++++++++++++++++----------------- 1 file changed, 20 insertions(+), 17 deletions(-) diff --git a/sm2/p256_asm_amd64.s b/sm2/p256_asm_amd64.s index 2e13d3d..3bbcce5 100644 --- a/sm2/p256_asm_amd64.s +++ b/sm2/p256_asm_amd64.s @@ -400,24 +400,27 @@ TEXT ·p256Mul(SB),NOSPLIT,$0 MOVQ DX, acc4 XORQ acc5, acc5 // First reduction step - 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 + 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 ADCQ $0, acc5 - - SUBQ DX, acc2 - SBBQ AX, acc3 - SBBQ $0, acc4 - SBBQ $0, acc5 XORQ acc0, acc0 // x * y[1]