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Do not fuse SLOAD across RETF.

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This commit is contained in:
Mike Pall 2010-03-08 23:43:16 +01:00
parent 09e875519b
commit 2e614adb21
1 changed files with 2 additions and 1 deletions
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3
src/lj_asm.c
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@ -1277,7 +1277,8 @@ static Reg asm_fuseload(ASMState *as, IRRef ref, RegSet allow)
} else if (mayfuse(as, ref)) {
RegSet xallow = (allow & RSET_GPR) ? allow : RSET_GPR;
if (ir->o == IR_SLOAD) {
if (!irt_isint(ir->t) && !(ir->op2 & IRSLOAD_PARENT)) {
if (!irt_isint(ir->t) && !(ir->op2 & IRSLOAD_PARENT) &&
noconflict(as, ref, IR_RETF)) {
as->mrm.base = (uint8_t)ra_alloc1(as, REF_BASE, xallow);
as->mrm.ofs = 8*((int32_t)ir->op1-1);
as->mrm.idx = RID_NONE;