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From: Matthew Malcomson <matmal01@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/ARM/heads/morello)] morello: Set LSB on label on longjmp builtin expansion Date: Fri, 10 Dec 2021 16:48:53 +0000 (GMT) [thread overview] Message-ID: <20211210164853.284493857C58@sourceware.org> (raw) https://gcc.gnu.org/g:e448e4ea47469b2f9696ede3648c264761ef6b1b commit e448e4ea47469b2f9696ede3648c264761ef6b1b Author: Stam Markianos-Wright <stam.markianos-wright@arm.com> Date: Wed Oct 20 14:35:20 2021 +0100 morello: Set LSB on label on longjmp builtin expansion Another mini-patch to fix a similar issue to that with the casesi pattern to do with the LSB not being set. In this case we can fix it in a neater way: using the target hook to adjust the memory address. Diff: --- gcc/builtins.c | 1 + 1 file changed, 1 insertion(+) diff --git a/gcc/builtins.c b/gcc/builtins.c index d7b0fcad423..181d34bf918 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -1166,6 +1166,7 @@ expand_builtin_longjmp (rtx buf_addr, rtx value) emit_clobber (gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (VOIDmode))); emit_clobber (gen_rtx_MEM (BLKmode, hard_frame_pointer_rtx)); + lab = targetm.adjust_label_expansion (lab); lab = copy_to_reg (lab); /* Restore the frame pointer and stack pointer. We must use a
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