gh-mirror/mikepaul-LuaJIT
1
0
Fork 0
mirror of https://github.com/LuaJIT/LuaJIT.git synced 2025-02-07 15:14:08 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

x86/x64: Don't fuse loads across table.clear.

Browse Source 
Reported by Peter Cawley. #1117
This commit is contained in:
Mike Pall 2023-11-12 15:41:52 +01:00
parent 6807e60af1
commit 45c88b7963
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/lj_asm_x86.h
View File

@ -473,6 +473,7 @@ static Reg asm_fuseload(ASMState *as, IRRef ref, RegSet allow)
} }
} else if (ir->o == IR_ALOAD || ir->o == IR_HLOAD || ir->o == IR_ULOAD) { } else if (ir->o == IR_ALOAD || ir->o == IR_HLOAD || ir->o == IR_ULOAD) {
if (noconflict(as, ref, ir->o + IRDELTA_L2S, 0) && if (noconflict(as, ref, ir->o + IRDELTA_L2S, 0) &&
noconflict(as, ref, IR_CALLS, 0) && /* Don't cross table.clear. */
!(LJ_GC64 && irt_isaddr(ir->t))) { !(LJ_GC64 && irt_isaddr(ir->t))) {
asm_fuseahuref(as, ir->op1, xallow); asm_fuseahuref(as, ir->op1, xallow);
return RID_MRM; return RID_MRM;