mirror/gmsm
1
0
Fork 0
mirror of https://github.com/emmansun/gmsm.git synced 2025-04-26 04:06:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

internal/sm2ec: reduce memory access

Browse Source
This commit is contained in:
Sun Yimin 2023-11-08 10:26:19 +08:00 committed by GitHub
parent 720630b65d
commit 230fea3435
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
internal/sm2ec/p256_asm_arm64.s
View File

@ -1208,14 +1208,17 @@ TEXT ·p256PointAddAffineAsm(SB),0,$264-48
CALL sm2P256Subinternal<>(SB) // h = u2 - u1 CALL sm2P256Subinternal<>(SB) // h = u2 - u1
STx(h) STx(h)
LDy(z1in) MOVD x0, y0
MOVD x1, y1
MOVD x2, y2
MOVD x3, y3
LDx(z1in)
CALL sm2P256MulInternal<>(SB) // z3 = h * z1 CALL sm2P256MulInternal<>(SB) // z3 = h * z1
VMOV y0, V4.D[0] // save z3 VMOV y0, V4.D[0] // save z3
VMOV y1, V4.D[1] VMOV y1, V4.D[1]
VMOV y2, V5.D[0] VMOV y2, V5.D[0]
VMOV y3, V5.D[1] VMOV y3, V5.D[1]
LDx(z1in)
LDy(z1sqr) LDy(z1sqr)
CALL sm2P256MulInternal<>(SB) // z1 ^ 3 CALL sm2P256MulInternal<>(SB) // z1 ^ 3