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[Bug middle-end/35141] ARM: Constant generation inside a loop: Missed optimization opportunity
- From: "alexandre dot nunes at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Feb 2008 00:45:35 -0000
- Subject: [Bug middle-end/35141] ARM: Constant generation inside a loop: Missed optimization opportunity
- References: <bug-35141-15246@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from alexandre dot nunes at gmail dot com 2008-02-12 00:45 -------
> It is not what you think it is. ;)
>
> movl %edx, -536821760
>
> means:
>
> (set (mem:SI (const_int -536821760 [0xffffffffe000c000]))(reg/v:SI 1 dx))
>
> IOW, put %edx to constant address.
>
It actually makes sense, this arch has no spare registers to play with :-)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35141