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optabs.c (prepare_operand): Fail gracefully instead of abort if the predicate doesn't satisfy.

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2003-07-18  Richard Henderson  <rth@redhat.com>

	* optabs.c (prepare_operand): Fail gracefully instead of abort
	if the predicate doesn't satisfy.
	(gen_cond_trap): Allow prepare_operand to fail.

From-SVN: r69578
This commit is contained in:
Richard Henderson 2003-07-18 17:28:05 -07:00 • committed by David S. Miller
parent 3b1eae7b3b
commit d893ccde91
2 changed files with 17 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2003-07-18 Richard Henderson <rth@redhat.com>
* optabs.c (prepare_operand): Fail gracefully instead of abort
if the predicate doesn't satisfy.
(gen_cond_trap): Allow prepare_operand to fail.
2003-07-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
* c-common.c: Don't undefine GCC_DIAG_STYLE.

10
gcc/optabs.c
View file

@ -3725,7 +3725,12 @@ prepare_operand (int icode, rtx x, int opnum, enum machine_mode mode,
if (! (*insn_data[icode].operand[opnum].predicate)
(x, insn_data[icode].operand[opnum].mode))
{
if (no_new_pseudos)
return NULL_RTX;
x = copy_to_mode_reg (insn_data[icode].operand[opnum].mode, x);
}
return x;
}
@ -5736,6 +5741,11 @@ gen_cond_trap (enum rtx_code code ATTRIBUTE_UNUSED, rtx op1,
start_sequence ();
op1 = prepare_operand (icode, op1, 0, mode, mode, 0);
op2 = prepare_operand (icode, op2, 1, mode, mode, 0);
if (!op1 || !op2)
{
end_sequence ();
return 0;
}
emit_insn (GEN_FCN (icode) (op1, op2));
PUT_CODE (trap_rtx, code);