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Updated SM2 MFMM (2) (markdown)

Sun Yimin 2024-02-23 08:36:20 +08:00
parent c4e63d57f8
commit cd25a55fcb
1 changed files with 27 additions and 0 deletions
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27
SM2-MFMM-(2).md

@ -353,3 +353,30 @@ $t_0=0+0$
```
乘法: 5
加法：14
**使用MULXQ/ADCXQ/ADOXQ**:
```asm
// First reduction step
MOVQ acc0, DX
MULXQ ·np+0x00(SB), DX, AX
MULXQ ·p2+0x00(SB), AX, t0
ADOXQ AX, acc0 // (carry1, acc0) = acc0 + t0 * ord0
MULXQ ·p2+0x08(SB), AX, BX
ADCXQ t0, AX
ADOXQ AX, acc1
MULXQ ·p2+0x10(SB), AX, t0
ADCXQ BX, AX
ADOXQ AX, acc2
MULXQ ·p2+0x18(SB), AX, acc0
ADCXQ t0, AX
ADOXQ AX, acc3
MOVQ $0, t0
ADCXQ t0, acc0
ADOXQ t0, acc0
```
乘法: 5
加法：9