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Updated MFMM (markdown)

Sun Yimin 2021-12-23 21:29:09 +08:00
parent 3650e08110
commit ee633c470e
1 changed files with 0 additions and 7 deletions
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MFMM.md

@ -156,13 +156,6 @@ acc0, acc1, acc2, acc3, acc4, acc5是64位寄存器
+ acc0, 0, 0, acc0 + acc0, 0, 0, acc0
- H(acc0*2^32) L(acc0*2^32) H(acc0*2^32) L(acc0*2^32) - H(acc0*2^32) L(acc0*2^32) H(acc0*2^32) L(acc0*2^32)
=》继续优化
acc4, acc3, acc2, acc1
+ (acc0 - H(acc0*2^32)), 0, 0, acc0
- L(acc0*2^32) H(acc0*2^32) L(acc0*2^32)
acc0 - H(acc0 * 2^32) >= 0显然。
MOVQ acc0, AX MOVQ acc0, AX
MOVQ acc0, DX MOVQ acc0, DX
SHLQ $32, AX SHLQ $32, AX