re PR middle-end/52650 (FAIL: gcc.dg/torture/pr51106-2.c * (internal compiler error))

PR middle-end/52650
	* function.c (instantiate_virtual_regs_in_insn): Don't delete invalid
	asm gotos, instead just clear their template and inputs.

From-SVN: r193846
This commit is contained in:
Jakub Jelinek 2012-11-27 14:38:32 +01:00 committed by Jakub Jelinek
parent 7fc3eedbeb
commit 5a86083532
2 changed files with 16 additions and 1 deletions

View file

@ -1,5 +1,9 @@
2012-11-27 Jakub Jelinek <jakub@redhat.com>
PR middle-end/52650
* function.c (instantiate_virtual_regs_in_insn): Don't delete invalid
asm gotos, instead just clear their template and inputs.
PR tree-optimization/55110
* tree-vect-loop.c (vectorizable_reduction): Don't assert
that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.

View file

@ -1738,7 +1738,18 @@ instantiate_virtual_regs_in_insn (rtx insn)
if (!check_asm_operands (PATTERN (insn)))
{
error_for_asm (insn, "impossible constraint in %<asm%>");
delete_insn_and_edges (insn);
/* For asm goto, instead of fixing up all the edges
just clear the template and clear input operands
(asm goto doesn't have any output operands). */
if (JUMP_P (insn))
{
rtx asm_op = extract_asm_operands (PATTERN (insn));
ASM_OPERANDS_TEMPLATE (asm_op) = ggc_strdup ("");
ASM_OPERANDS_INPUT_VEC (asm_op) = rtvec_alloc (0);
ASM_OPERANDS_INPUT_CONSTRAINT_VEC (asm_op) = rtvec_alloc (0);
}
else
delete_insn (insn);
}
}
else