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ARM: Fix commit ceaa60c0.

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This commit is contained in:
Mike Pall 2012-08-25 14:13:47 +02:00
parent f2479a9654
commit 099635c86c
1 changed files with 5 additions and 2 deletions
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7
src/lj_asm_arm.h
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@ -358,8 +358,6 @@ static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args)
if (irt_isfp(ir->t)) { if (irt_isfp(ir->t)) {
RegSet of = as->freeset; RegSet of = as->freeset;
Reg src; Reg src;
/* Workaround to protect argument GPRs from being used for remat. */
as->freeset &= ~RSET_RANGE(REGARG_FIRSTGPR, REGARG_LASTGPR+1);
if (!LJ_ABI_SOFTFP && !(ci->flags & CCI_VARARG)) { if (!LJ_ABI_SOFTFP && !(ci->flags & CCI_VARARG)) {
if (irt_isnum(ir->t)) { if (irt_isnum(ir->t)) {
if (fpr <= REGARG_LASTFPR) { if (fpr <= REGARG_LASTFPR) {
@ -377,10 +375,15 @@ static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args)
fprodd = fpr++; fprodd = fpr++;
continue; continue;
} }
/* Workaround to protect argument GPRs from being used for remat. */
as->freeset &= ~RSET_RANGE(REGARG_FIRSTGPR, REGARG_LASTGPR+1);
src = ra_alloc1(as, ref, RSET_FPR); /* May alloc GPR to remat FPR. */ src = ra_alloc1(as, ref, RSET_FPR); /* May alloc GPR to remat FPR. */
as->freeset |= (of & RSET_RANGE(REGARG_FIRSTGPR, REGARG_LASTGPR+1));
fprodd = 0; fprodd = 0;
goto stackfp; goto stackfp;
} }
/* Workaround to protect argument GPRs from being used for remat. */
as->freeset &= ~RSET_RANGE(REGARG_FIRSTGPR, REGARG_LASTGPR+1);
src = ra_alloc1(as, ref, RSET_FPR); /* May alloc GPR to remat FPR. */ src = ra_alloc1(as, ref, RSET_FPR); /* May alloc GPR to remat FPR. */
as->freeset |= (of & RSET_RANGE(REGARG_FIRSTGPR, REGARG_LASTGPR+1)); as->freeset |= (of & RSET_RANGE(REGARG_FIRSTGPR, REGARG_LASTGPR+1));
if (irt_isnum(ir->t)) gpr = (gpr+1) & ~1u; if (irt_isnum(ir->t)) gpr = (gpr+1) & ~1u;