* optabs.c (prepare_operand): Gracefully fail if the mode of X
does not match the operand mode expected by the insn pattern.
From-SVN: r217501
+2014-11-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * optabs.c (prepare_operand): Gracefully fail if the mode of X
+ does not match the operand mode expected by the insn pattern.
+
2014-11-13 Richard Biener <rguenther@suse.de>
* match.pd: Add tcc_comparison, inverted_tcc_comparison
if (!insn_operand_matches (icode, opnum, x))
{
+ machine_mode op_mode = insn_data[(int) icode].operand[opnum].mode;
if (reload_completed)
return NULL_RTX;
- x = copy_to_mode_reg (insn_data[(int) icode].operand[opnum].mode, x);
+ if (GET_MODE (x) != op_mode && GET_MODE (x) != VOIDmode)
+ return NULL_RTX;
+ x = copy_to_mode_reg (op_mode, x);
}
return x;