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From: "ramana at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/64458] [ARM] Redundant ldr when accessing var inside and outside a loop
Date: Fri, 16 Jan 2015 14:29:00 -0000 [thread overview]
Message-ID: <bug-64458-4-4fqE4BJLY4@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-64458-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64458
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2015-01-16
CC| |ramana at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
Huh, what arch options ?
.arm
.syntax divided
.file "ldr.c"
.text
.align 2
.global g
.type g, %function
g:
@ Function supports interworking.
@ args = 0, pretend = 0, frame = 0
@ frame_needed = 0, uses_anonymous_args = 0
@ link register save eliminated.
ldr r2, .L5
ldr r3, [r2]
.L2:
cmp r3, #0
bne .L2
mov r3, #1
str r3, [r2]
bx lr
.L6:
.align 2
.L5:
.word glob
.size g, .-g
.comm glob,4,4
next prev parent reply other threads:[~2015-01-16 14:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-31 16:33 [Bug target/64458] New: " thopre01 at gcc dot gnu.org
2015-01-16 14:29 ` ramana at gcc dot gnu.org [this message]
2015-01-28 2:43 ` [Bug target/64458] " thopre01 at gcc dot gnu.org
2015-01-28 2:46 ` thopre01 at gcc dot gnu.org
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