From 33a7b2d74073f668db6a6fdfa3aca591b5f47977 Mon Sep 17 00:00:00 2001 From: jakub Date: Tue, 27 Nov 2012 13:38:32 +0000 Subject: PR middle-end/52650 * function.c (instantiate_virtual_regs_in_insn): Don't delete invalid asm gotos, instead just clear their template and inputs. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193846 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/function.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'gcc/function.c') diff --git a/gcc/function.c b/gcc/function.c index 9a8e0aed7e2..9ef6f77f6e5 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1738,7 +1738,18 @@ instantiate_virtual_regs_in_insn (rtx insn) if (!check_asm_operands (PATTERN (insn))) { error_for_asm (insn, "impossible constraint in %"); - 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 -- cgit v1.2.1