Bug#205899: gcc-3.3: [ppc] ICE on code using altivec
severity 205899 important
forwarded 205899 http://gcc.gnu.org/PR11793
tags 205899 + upstream
merge 205899 203835
thanks
Guido Guenther writes:
> Package: gcc-3.3
> Version: 1:3.3.2-0pre1
> Severity: normal
>
> Hi,
> here's an ICE when building mplayer with altivec support on ppc:
>
> gcc -O4 -pipe -ffast-math -fomit-frame-pointer -D_REENTRANT -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -g -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -maltivec -mabi=altivec -c -o ppc/mpegvideo_altivec.o ppc/mpegvideo_altivec.c
> ppc/mpegvideo_altivec.c: In function `dct_quantize_altivec':
> ppc/mpegvideo_altivec.c:512: error: unrecognizable insn:
> (insn 1550 251 1551 2 (nil) (set (reg:V4SF 96 v19)
> (const_vector:V4SF [
> (const_double:SF 5.411961078643798828125e-1 [0x0.8a8bd4p+0])
> (const_double:SF 5.411961078643798828125e-1 [0x0.8a8bd4p+0])
> (const_double:SF 5.411961078643798828125e-1 [0x0.8a8bd4p+0])
> (const_double:SF 5.411961078643798828125e-1 [0x0.8a8bd4p+0])
> ])) -1 (nil)
> (nil))
> ppc/mpegvideo_altivec.c:512: internal compiler error: in extract_insn, at recog.c:2175
>
> Compiling without any -O switch works. Compiling with -snapshot gives
> a different ICE at the same code line.
>
> The preprocessed sources (built with gcc-3.3) are at:
> http://honk.physik.uni-konstanz.de/linux-mips/gcc/bugs/mpegvideo_altivec.[si]
> Regards,
> -- Guido
>
>
> -- System Information:
> Debian Release: testing/unstable
> Architecture: powerpc
> Kernel: Linux bogon 2.4.21-ben2-agx #1 Fri Aug 15 12:12:18 CEST 2003 ppc
> Locale: LANG=de_DE@euro, LC_CTYPE=de_DE@euro
>
> Versions of packages gcc-3.3 depends on:
> ii binutils 2.14.90.0.5-0.2 The GNU assembler, linker and bina
> ii cpp-3.3 1:3.3.2-0pre1 The GNU C preprocessor
> ii gcc-3.3-base 1:3.3.2-0pre1 The GNU Compiler Collection (base
> hi libc6 2.3.1-16 GNU C Library: Shared libraries an
> ii libgcc1 1:3.3.2-0pre1 GCC support library
>
> -- no debconf information
>
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