ICE when using -mfloat-gprs=double with -mspe=no. Found in the e500 branch, reproducible in mainline.
Test case: typedef double _Complex _Dcomplex; double (cabs)(_Dcomplex x) { } [EMAIL PROTECTED] rmansfield]$ /home/rmansfield/crosstool/powerpc-linux-gnuspe/gcc-head-glibc-2.3.5/bin/powerpc-linux-gnuspe-gcc -mfloat-gprs=double -mcpu=8548 ~/cabs.i -c -mspe=no -v Using built-in specs. Target: powerpc-linux-gnuspe Configured with: /home/rmansfield/crosstool-0.28-rc37/build/powerpc-linux-gnuspe/gcc-head-glibc-2.3.5/gcc-head/configure --target=powerpc-linux-gnuspe --host=i686-host_pc-linux-gnu --prefix=/home/rmansfield/crosstool/powerpc-linux-gnuspe/gcc-head-glibc-2.3.5 --with-local-prefix=/home/rmansfield/crosstool/powerpc-linux-gnuspe/gcc-head-glibc-2.3.5/powerpc-linux-gnuspe --disable-multilib --with-newlib --without-headers --disable-nls --enable-threads=no --enable-symvers=gnu --enable-__cxa_atexit --enable-languages=c --disable-shared Thread model: single gcc version 4.1.0 20050917 (experimental) /home/rmansfield/crosstool/powerpc-linux-gnuspe/gcc-head-glibc-2.3.5/libexec/gcc/powerpc-linux-gnuspe/4.1.0/cc1 -fpreprocessed /home/rmansfield/cabs.i -quiet -dumpbase cabs.i -mfloat-gprs=double -mcpu=8548 -mspe=no -auxbase cabs -version -o /tmp/ccNYZQDL.s GNU C version 4.1.0 20050917 (experimental) (powerpc-linux-gnuspe) compiled by GNU C version 3.3.3 20040412 (Red Hat Linux 3.3.3-7). GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 947d94ba0d127e0ee2614bdf9bacf926 /home/rmansfield/cabs.i: In function 'cabs': /home/rmansfield/cabs.i:3: internal compiler error: in subreg_offset_representable_p, at rtlanal.c:3143 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. > If this is reproducible in mainline, could you submit this bug in bugzilla > and > assign it to me? > Thanks > Aldy -- Summary: [e500] ICE in subreg_offset_representable_p, at rtlanal.c:3143 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: middle-end AssignedTo: aldyh at redhat dot com ReportedBy: rmansfield at qnx dot com CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-host_pc-linux-gnu GCC host triplet: i686-host_pc-linux-gnu GCC target triplet: powerpc-linux-gnuspe http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24038