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ARM: Fix IR splitting for softfp XLOAD.

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This commit is contained in:
Mike Pall
2011-11-11 01:07:34 +01:00
parent 4bcf2b40fe
commit fa1675baad
2 changed files with 15 additions and 5 deletions
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16
src/lj_opt_split.c
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@@ -313,13 +313,21 @@ static void split_ir(jit_State *J)
case IR_STRTO:
hi = split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), nref, nref);
break;
case IR_XLOAD:
hi = split_emit(J, IRT(IR_XLOAD, IRT_SOFTFP),
split_ptr(J, oir, ir->op1), ir->op2);
#if LJ_BE
case IR_XLOAD: {
IRIns inslo = *nir; /* Save/undo the emit of the lo XLOAD. */
J->cur.nins--;
hi = split_ptr(J, oir, ir->op1); /* Insert the hiref ADD. */
nref = lj_ir_nextins(J);
nir = IR(nref);
*nir = inslo; /* Re-emit lo XLOAD immediately before hi XLOAD. */
hi = split_emit(J, IRT(IR_XLOAD, IRT_SOFTFP), hi, ir->op2);
#if LJ_LE
ir->prev = nref;
#else
ir->prev = hi; hi = nref;
#endif
break;
}
case IR_ASTORE: case IR_HSTORE: case IR_USTORE:
split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), nir->op1, hisubst[ir->op2]);
break;