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authordavem <davem@138bc75d-0d04-0410-961f-82ee72b054a4>2003-07-19 00:28:05 +0000
committerdavem <davem@138bc75d-0d04-0410-961f-82ee72b054a4>2003-07-19 00:28:05 +0000
commite79a81b22df435c8f6165f4985f722574d0ead71 (patch)
treea81053762e9b4e7c6fb7d1ab13e1eb46a8703d7e /gcc/optabs.c
parente335475220cb50528dd43d1a88324e6b0061b3db (diff)
downloadgcc-e79a81b22df435c8f6165f4985f722574d0ead71.tar.gz
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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69578 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/optabs.c')
-rw-r--r--gcc/optabs.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c
index 3085b8529ca..f8ae543024b 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -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))
- x = copy_to_mode_reg (insn_data[icode].operand[opnum].mode, x);
+ {
+ 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);