public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "jye2 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/47855] missed cbnz optimization
Date: Thu, 22 Sep 2011 07:21:00 -0000 [thread overview]
Message-ID: <bug-47855-4-jqiSB8odF5@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-47855-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47855
--- Comment #4 from jye2 at gcc dot gnu.org 2011-09-22 06:41:49 UTC ---
Author: jye2
Date: Thu Sep 22 06:41:44 2011
New Revision: 179077
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179077
Log:
2011-09-22 Joey Ye <joey.ye@arm.com>
Backport r178852 from mainline
2011-09-14 Julian Brown <julian@codesourcery.com>
* config/arm/arm.c (arm_override_options): Add unaligned_access
support.
(arm_file_start): Emit attribute for unaligned access as appropriate.
* config/arm/arm.md (UNSPEC_UNALIGNED_LOAD)
(UNSPEC_UNALIGNED_STORE): Add constants for unspecs.
(insv, extzv): Add unaligned-access support.
(extv): Change to expander. Likewise.
(extzv_t1, extv_regsi): Add helpers.
(unaligned_loadsi, unaligned_loadhis, unaligned_loadhiu)
(unaligned_storesi, unaligned_storehi): New.
(*extv_reg): New (previous extv implementation).
* config/arm/arm.opt (munaligned_access): Add option.
* config/arm/constraints.md (Uw): New constraint.
* expmed.c (store_bit_field_1): Adjust bitfield numbering according
to size of access, not size of unit, when BITS_BIG_ENDIAN !=
BYTES_BIG_ENDIAN. Don't use bitfield accesses for
volatile accesses when -fstrict-volatile-bitfields is in effect.
(extract_bit_field_1): Likewise.
Backport r172697 from mainline
2011-04-19 Wei Guozhi <carrot@google.com>
PR target/47855
* config/arm/arm-protos.h (thumb1_legitimate_address_p): New prototype.
* config/arm/arm.c (thumb1_legitimate_address_p): Remove the static
linkage.
* config/arm/constraints.md (Uu): New constraint.
* config/arm/arm.md (*arm_movqi_insn): Compute attr "length".
Modified:
branches/ARM/embedded-4_6-branch/gcc/ChangeLog.arm
branches/ARM/embedded-4_6-branch/gcc/config/arm/arm-protos.h
branches/ARM/embedded-4_6-branch/gcc/config/arm/arm.c
branches/ARM/embedded-4_6-branch/gcc/config/arm/arm.md
branches/ARM/embedded-4_6-branch/gcc/config/arm/arm.opt
branches/ARM/embedded-4_6-branch/gcc/config/arm/constraints.md
branches/ARM/embedded-4_6-branch/gcc/expmed.c
prev parent reply other threads:[~2011-09-22 6:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-23 11:48 [Bug target/47855] New: " carrot at google dot com
2011-02-25 9:49 ` [Bug target/47855] " carrot at google dot com
2011-03-26 16:56 ` steven at gcc dot gnu.org
2011-03-26 17:54 ` steven at gcc dot gnu.org
2011-09-22 7:21 ` jye2 at gcc dot gnu.org [this message]
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=bug-47855-4-jqiSB8odF5@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@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).