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Re: AltiVec support toasted in HEAD
Daniel Egger wrote:
>
> Am Die, 2002-07-16 um 18.13 schrieb Aldy Hernandez:
>
> > without a testcase it'll be really hard for me to help you.
>
> Woohoo! While trying to synthesize a testcase for my other
> problem I created one very similar to the zero vector problem.
> All I did was cutting and pasting all altivec examples together
> to get enough code to trigger bugs; a few conflicts have
> been solved but that's all....
>
> This is what I get on powerpc-linux-gnu with an uptodate gcc:
> test.c: In function `foo':
> test.c:214: error: unrecognizable insn:
> (insn:HI 5 18 6 0 (nil) (set (reg/v:V4SI 118)
> (mem/f:V4SI (plus:SI (reg/f:SI 67 ap)
> (const_int 8 [0x8])) [3 b+0 S16 A128])) -1 (nil)
> (nil))
> (set (reg/v:V4SI 118)
> (mem/f:V4SI (plus:SI (reg/f:SI 67 ap)
> (const_int 8 [0x8])) [3 b+0 S16 A128]))
> (mem/f:V4SI (plus:SI (reg/f:SI 67 ap)
> (const_int 8 [0x8])) [3 b+0 S16 A128])
> test.c:214: internal compiler error: Internal compiler error in
> extract_insn, at recog.c:2146
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
That's a problem that is specific to the powerpc/altivec implementation
in gcc.
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