Bug#352529: marked as forwarded ([hppa] internal compiler error: in reload_cse_simplify_operands, at postreload.c:391 (error: insn does not satisfy its constraints))

[owner@bugs.debian.org (Debian Bug Tracking System)]

Your message dated Mon, 13 Feb 2006 13:02:30 +0800
with message-id <[🔎] 43F012E6.40709@tausq.org>
has caused the Debian Bug report #352529,
regarding [hppa] internal compiler error: in reload_cse_simplify_operands, at postreload.c:391 (error: insn does not satisfy its constraints)
to be marked as having been forwarded to the upstream software
author(s) Loïc Minier <lool@dooz.org>,  352529-forwarded@bugs.debian.org.

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--- Begin Message ---

• To: Loïc Minier <lool@dooz.org>, 352529-forwarded@bugs.debian.org
• Cc: John David Anglin <dave@hiauly1.hia.nrc.ca>, debian-gcc@lists.debian.org
• Subject: Re: Bug#352529: [hppa] internal compiler error: in reload_cse_simplify_operands, at postreload.c:391 (error: insn does not satisfy its constraints)
• From: Randolph Chung <randolph@tausq.org>
• Date: Mon, 13 Feb 2006 13:02:30 +0800
• Message-id: <[🔎] 43F012E6.40709@tausq.org>
• In-reply-to: <[🔎] 20060212144006.GA2337@bee.dooz.org>
• References: <[🔎] 20060212144006.GA2337@bee.dooz.org>

Confirmed and filed in gcc bugzilla PR26255

randolph

Loïc Minier wrote:
> Package: gcc-4.0
> Version: 4:4.0.2-8
> Severity: normal
> 
>         Hi,
> 
>  While investigating gstreamer0.10-ffmpeg's build failure under hppa[1],
>  I received the following error from gcc:
> 
>  gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../libavutil -DHAVE_AV_CONFIG_H=1 -Wall -Wno-switch -g -O2 -MT mpegaudiodec.lo -MD -MP -MF .deps/mpegaudiodec.Tpo -c mpegaudiodec.c  -fPIC -DPIC -o .libs/mpegaudiodec.o
> mpegaudiodec.c: In function 'mp_decode_frame':
> mpegaudiodec.c:2445: warning: pointer targets in passing argument 4 of 'ff_mpa_synth_filter' differ in signedness
> mpegaudiodec.c: In function 'ff_mpa_synth_filter':
> mpegaudiodec.c:920: error: insn does not satisfy its constraints:
> (insn 4924 2540 2542 4 mpegaudiodec.c:888 (set (reg:HI 70 %fr23 [1852])
>         (reg:HI 1 %r1)) 53 {*pa.md:2926} (nil)
>     (nil))
> mpegaudiodec.c:920: internal compiler error: in reload_cse_simplify_operands, at postreload.c:391
> 
>  From what I understand of the problem:
>  - this file switches between assembly and macros in function of the
>    target arch to do some non-trivial operation (such as adding values
>    stored at memory locations indexed by a pointer and large indexes)
>  - in the end, gcc thinks a particular combination of operands and
>    instructions can't be used with respect to the architecture it tries
>    to build for
>  - gcc 1:3.3.5-13 builds the file
> 
>  What I have no idea of:
>  - whether what gcc 1:3.3.5-13 built was actually valid and usable code
>    for hppa
>  - whether gcc 4:4.0.2-8 is correct with the fact that it is not
>    possible to do that operation
>  - whether gcc 4:4.0.2-8 is correct in producing an error or whether it
>    should warn and workaround the problem
> 
>  Could you help we sched some light on this?
> 
>  I'm sorry I didn't try gcc-snapshot, but I used paer.d.o, the developer
>  machine, to diagnose and I couldn't install it myself.
> 
>  I'm putting debian-hppa@ in Cc:, perhaps they have a clue.  Please Cc:
>  me on replies!
> 
>    Bye,
> 
> [1]
> http://buildd.debian.org/fetch.php?&pkg=gstreamer0.10-ffmpeg&ver=0.10.0-1&arch=hppa&stamp=1138998904&file=log&as=raw


-- 
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/

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