public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
* [gcc(refs/vendors/ARM/heads/morello)] morello: Set LSB on label on longjmp builtin expansion
@ 2021-12-10 16:48 Matthew Malcomson
  0 siblings, 0 replies; only message in thread
From: Matthew Malcomson @ 2021-12-10 16:48 UTC (permalink / raw)
  To: gcc-cvs

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


^ permalink raw reply	[flat|nested] only message in thread
only message in thread, other threads:[~2021-12-10 16:48 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-10 16:48 [gcc(refs/vendors/ARM/heads/morello)] morello: Set LSB on label on longjmp builtin expansion Matthew Malcomson

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).