public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
From: Maciej W. Rozycki <macro@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r11-5772] loop-doloop: Add missing call to `onlyjump_p'
Date: Sat,  5 Dec 2020 18:28:18 +0000 (GMT)	[thread overview]
Message-ID: <20201205182818.589F0383303A@sourceware.org> (raw)

https://gcc.gnu.org/g:4b70b2e07a589c4d50e14fa597eb164375a10a20

commit r11-5772-g4b70b2e07a589c4d50e14fa597eb164375a10a20
Author: Maciej W. Rozycki <macro@linux-mips.org>
Date:   Sat Dec 5 18:26:25 2020 +0000

    loop-doloop: Add missing call to `onlyjump_p'
    
    Keep any jump that has side effects as those must not be removed.
    
            gcc/
            * loop-doloop.c (add_test): Only remove the jump if `onlyjump_p'.

Diff:
---
 gcc/loop-doloop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/loop-doloop.c b/gcc/loop-doloop.c
index 02282d45bd5..661e50298cc 100644
--- a/gcc/loop-doloop.c
+++ b/gcc/loop-doloop.c
@@ -378,7 +378,7 @@ add_test (rtx cond, edge *e, basic_block dest)
   bb = split_edge_and_insert (*e, seq);
   *e = single_succ_edge (bb);
 
-  if (any_uncondjump_p (jump))
+  if (any_uncondjump_p (jump) && onlyjump_p (jump))
     {
       /* The condition is always true.  */
       delete_insn (jump);


                 reply	other threads:[~2020-12-05 18:28 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201205182818.589F0383303A@sourceware.org \
    --to=macro@gcc.gnu.org \
    --cc=gcc-cvs@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
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).