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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-11-27 13:38:32 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-11-27 13:38:32 +0000 |
| commit | 33a7b2d74073f668db6a6fdfa3aca591b5f47977 (patch) | |
| tree | 941b5bee287577b067bb5f92955bf88d7fdcef6c /gcc/function.c | |
| parent | b85f53f44c5ee5730d05757886add2b03be4f5c0 (diff) | |
| download | gcc-33a7b2d74073f668db6a6fdfa3aca591b5f47977.tar.gz | |
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
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 13 |
1 files changed, 12 insertions, 1 deletions
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 %<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 |