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| author | ptitSeb <sebastien.chev@gmail.com> | 2025-04-23 12:54:04 +0200 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2025-04-23 12:54:04 +0200 |
| commit | 5cfad2216584fae41c1575ca4034e2d24f3b0be2 (patch) | |
| tree | 00566cfc0159b1d1447b72ab46b1910e768b694e /src | |
| parent | 815836d28551983e45f3ef167cc8780f90df24a1 (diff) | |
| download | box64-5cfad2216584fae41c1575ca4034e2d24f3b0be2.tar.gz box64-5cfad2216584fae41c1575ca4034e2d24f3b0be2.zip | |
[ARM64_DYNAREC] Made REP MOVSB optimisation flagless
Diffstat (limited to 'src')
| -rw-r--r-- | src/dynarec/arm64/dynarec_arm64_00.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_00.c b/src/dynarec/arm64/dynarec_arm64_00.c index 8b06925a..122b3a81 100644 --- a/src/dynarec/arm64/dynarec_arm64_00.c +++ b/src/dynarec/arm64/dynarec_arm64_00.c @@ -1712,8 +1712,8 @@ uintptr_t dynarec64_00(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin ANDw_mask(x1, x1, 0, 1); //mask = 3 CBNZw_MARK(x1); MARK3; - CMPSx_U12(xRCX, 4); - B_MARK(cCC); + ANDx_mask(x1, xRCX, 1, 0b111110, 0b111101); // mask=0xfffffffffffffffc, so ~3LL + CBZx_MARK(x1); // xRCX<4 LDRw_S9_postindex(x1, xRSI, 4); STRw_S9_postindex(x1, xRDI, 4); SUBx_U12(xRCX, xRCX, 4); @@ -1727,8 +1727,8 @@ uintptr_t dynarec64_00(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin } // special optim for large RCX value on forward case only MARK3; - CMPSx_U12(xRCX, 8); - B_MARK(cCC); + ANDx_mask(x1, xRCX, 1, 0b111101, 0b111100); // mask=0xfffffffffffffff8, so ~7LL + CBZx_MARK(x1); // xRCX<8 LDRx_S9_postindex(x1, xRSI, 8); STRx_S9_postindex(x1, xRDI, 8); SUBx_U12(xRCX, xRCX, 8); |