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Updated SM2 WWMM (2) (markdown)

Sun Yimin 2024-03-01 09:28:16 +08:00
parent 2bf3d3b0b9
commit 48c3f48b81
1 changed files with 4 additions and 2 deletions
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SM2-WWMM-(2).md

@ -106,8 +106,10 @@ $t_0=t_0 - a_1$
MOVQ acc0, DX \
SHLQ $32, AX \ // AX = L(acc0 * 2^32), low part
SHRQ $32, DX \ // DX = H(acc0 * 2^32), high part
\// calculate the negative part: [1, -0x100000000, 0, -0x100000000] * acc0 + [0, acc3, acc2, acc1]
\ //[acc0, acc3, acc2, acc1] - [0, 0x100000000, 0, 0x100000000] * acc0
\// calculate the negative part:
\//[1, -0x100000000, 0, -0x100000000] * acc0 + [0, acc3, acc2, acc1]
\//[acc0, acc3, acc2, acc1] - [0, 0x100000000, 0, 0x100000000] * acc0
\//[acc0, acc3, acc2, acc1] - [acc0>>32, acc0<<32, acc0>>32, acc0<<32]
SUBQ AX, acc1 \
SBBQ DX, acc2 \
SBBQ AX, acc3 \