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* [Bug target/45252] unnecessary register move
[not found] <bug-45252-4@http.gcc.gnu.org/bugzilla/>
@ 2010-12-03 10:35 ` ramana at gcc dot gnu.org
2023-05-15 5:07 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 2+ messages in thread
From: ramana at gcc dot gnu.org @ 2010-12-03 10:35 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45252
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2010.12.03 10:34:54
CC| |ramana at gcc dot gnu.org
Ever Confirmed|0 |1
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug target/45252] unnecessary register move
[not found] <bug-45252-4@http.gcc.gnu.org/bugzilla/>
2010-12-03 10:35 ` [Bug target/45252] unnecessary register move ramana at gcc dot gnu.org
@ 2023-05-15 5:07 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 2+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-05-15 5:07 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45252
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |needs-bisection
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
GCC 8+ does:
ts:
push {r0, r1, r2, r3, r4, lr}
mov r0, sp
movs r3, #0
str r3, [sp]
bl foo
add sp, sp, #20
ldr pc, [sp], #4
Which is exactly what you want.
^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <bug-45252-4@http.gcc.gnu.org/bugzilla/>
2010-12-03 10:35 ` [Bug target/45252] unnecessary register move ramana at gcc dot gnu.org
2023-05-15 5:07 ` pinskia at gcc dot gnu.org
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