egcs bug - who can I send it to ?

egcs bug - who can I send it to ?

[Jens Ch. Restemeier]

Hi !

I've got a problem compiling the latest snapshot of crystal space on
Linux/PPC. The same archive compiles on my 486 (after some small fixes).

The RPMS I installed didn't have a "mail me for bugs" address.

Is this a known bug ?

util/gfx/gifimage.cpp: In method `ImageGifFile::ImageGifFile(UByte *,
long int)':
util/gfx/gifimage.cpp:383: internal error--unrecognizable insn:
(insn 3958 3955 54 (set (mem:SI (plus:SI (reg:SI 18 r18)
                (const_int 65536)))
        (reg:SI 19 r19)) -1 (insn_list 3621 (insn_list 3955 (nil)))
    (nil))
toplev.c:1360: Internal compiler error in function fatal_insn
make[1]: *** [out/LINUX/X11_o/util/gfx/gifimage.o] Error 1
make: *** [cs] Error 2

Jens

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Re: egcs bug - who can I send it to ?

[Hollis R Blanchard]

On Sun, 27 Dec 1998, Jens Ch. Restemeier wrote:
> 
> I've got a problem compiling the latest snapshot of crystal space on
> Linux/PPC. The same archive compiles on my 486 (after some small fixes).
> 
> The RPMS I installed didn't have a "mail me for bugs" address.
> 
> Is this a known bug ?
> 
> util/gfx/gifimage.cpp: In method `ImageGifFile::ImageGifFile(UByte *,
> long int)':
> util/gfx/gifimage.cpp:383: internal error--unrecognizable insn:
> (insn 3958 3955 54 (set (mem:SI (plus:SI (reg:SI 18 r18)
>                 (const_int 65536)))
>         (reg:SI 19 r19)) -1 (insn_list 3621 (insn_list 3955 (nil)))
>     (nil))
> toplev.c:1360: Internal compiler error in function fatal_insn
> make[1]: *** [out/LINUX/X11_o/util/gfx/gifimage.o] Error 1
> make: *** [cs] Error 2

I think "internal compiler errors" are usually due to an optimization setting
that's to high. Look for a -O switch in your Makefile, and set it to 2 or
below (-O2, -O1, or -O0).

-Hollis


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Re: egcs bug - who can I send it to ?

[David Edelsohn]

	Which release of EGCS are you running?  You do not provide any
information about the compiler, but I suspect that this is fixed in
egcs-1.1.1. 

David

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Re: egcs bug - who can I send it to ?

[Jens Ch. Restemeier]

David Edelsohn wrote:
> 
>         Which release of EGCS are you running?  You do not provide any
> information about the compiler, but I suspect that this is fixed in
> egcs-1.1.1.

Whoops, it's egcs-2.91.57. Does this help ?

Jens

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Re: egcs bug - who can I send it to ?

[David Edelsohn]

>>>>> Hollis R Blanchard writes:

Hollis> I think "internal compiler errors" are usually due to an optimization setting
Hollis> that's to high. Look for a -O switch in your Makefile, and set it to 2 or
Hollis> below (-O2, -O1, or -O0).

	Sorry, this is incorrect.  These errors may only OCCUR when
optimizing, but it is not DUE to optimizing.  EGCS ignores any
optimization levels higher than -O3.  EGCS is not pgcc, so please do not
try to apply pgcc/Linux on Intel knowledge.

David

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Re: egcs bug - who can I send it to ?

[David Edelsohn]

>>>>> "Jens Ch Restemeier" writes:

Jens> Whoops, it's egcs-2.91.57. Does this help ?

	I believe that egcs-1.1.1 reports itself as egcs-2.91.60:

		gcc version egcs-2.91.60 19981201 (egcs-1.1.1 release)

There was a PowerPC address generation bug which was fixed just before
egcs-1.1.1 was released and it might address your problem.  There is no
way for me to advise about developer interim snapshots.

David

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