public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
From: Michael Meissner <meissner@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/meissner/heads/work164-test)] Revert all changes
Date: Thu, 25 Apr 2024 23:34:34 +0000 (GMT)	[thread overview]
Message-ID: <20240425233434.A0ED83858D20@sourceware.org> (raw)

https://gcc.gnu.org/g:b7c32f032d273335cf1f4e16c31754f23f7ba3ca

commit b7c32f032d273335cf1f4e16c31754f23f7ba3ca
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Apr 25 19:34:31 2024 -0400

    Revert all changes

Diff:
---
 gcc/config/rs6000/rs6000.cc | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index d498f62be7a..908ad5dcb58 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -22813,16 +22813,6 @@ rs6000_register_move_cost (machine_mode mode,
       ret = 2 * hard_regno_nregs (reg, mode);
     }
 
-  /* Make moves from SPR registers (LR, CTR, TAR) more expensive so that the
-     register allocator does not think of these registers are useful for saving
-     results.  */
-  else if (reg_classes_intersect_p (from, SPECIAL_REGS)
-	   && reg_classes_intersect_p (to, GENERAL_REGS))
-    {
-      rclass = from;
-      ret = 6;
-    }
-
   /*  Moves from/to GENERAL_REGS.  */
   else if ((rclass = from, reg_classes_intersect_p (to, GENERAL_REGS))
 	   || (rclass = to, reg_classes_intersect_p (from, GENERAL_REGS)))

                 reply	other threads:[~2024-04-25 23:34 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=20240425233434.A0ED83858D20@sourceware.org \
    --to=meissner@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).