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From: Jeff Law <law@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-2888] Fix ICEs due to recent jump-to-return optimization Date: Tue, 27 Sep 2022 06:20:07 +0000 (GMT) [thread overview] Message-ID: <20220927062007.1607C3858D39@sourceware.org> (raw) https://gcc.gnu.org/g:5da546d7e0561def07c783e6ec897aaa9e7837c6 commit r13-2888-g5da546d7e0561def07c783e6ec897aaa9e7837c6 Author: Jeff Law <jeffreyalaw@gmail.com> Date: Tue Sep 27 01:44:38 2022 -0400 Fix ICEs due to recent jump-to-return optimization gcc/ * cfgrtl.cc (fixup_reorder_chain): Verify that simple_return and return are available before trying to use them. Diff: --- gcc/cfgrtl.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/cfgrtl.cc b/gcc/cfgrtl.cc index 90cd6ee56a7..281a432f6a6 100644 --- a/gcc/cfgrtl.cc +++ b/gcc/cfgrtl.cc @@ -4049,7 +4049,8 @@ fixup_reorder_chain (void) rtx_insn *ret, *use; basic_block dest; if (bb_is_just_return (e_fall->dest, &ret, &use) - && (PATTERN (ret) == simple_return_rtx || PATTERN (ret) == ret_rtx)) + && ((PATTERN (ret) == simple_return_rtx && targetm.have_simple_return ()) + || (PATTERN (ret) == ret_rtx && targetm.have_return ()))) { ret_label = PATTERN (ret); dest = EXIT_BLOCK_PTR_FOR_FN (cfun);
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