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 -- Loïc Minier <[EMAIL PROTECTED]> Current Earth status: NOT DESTROYED