optimization/7778: Internal compiler error in reload_cse_simplify_operands

[lanclos@cats.ucsc.edu]

>Number:         7778
>Category:       optimization
>Synopsis:       Internal compiler error in reload_cse_simplify_operands
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Aug 30 10:06:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     lanclos@cats.ucsc.edu
>Release:        gcc-3.2
>Organization:
>Environment:
Solaris 2.6, binutils 2.13, gcc 3.2, UltraSPARC II system
>Description:
A mozilla 1.1 build produced the following error, and asked nicely if I would report it please.

gcc -o s_scalbn.o -c -DOSTYPE=\"SunOS5\" -DOSARCH=\"SunOS\" -DOJI   -I../../../dist/include/js -I../../../dist/include -I/scratch/mariachi/lanclos/mozilla/dist/include/nspr         -fPIC  -Wno-long-long -O3 -mcpu=ultrasparc -pthreads -pipe  -DNDEBUG -DTRIMMED -D_IEEE_LIBM   -include ../../../config-defs.h -DMOZILLA_CLIENT -Wp,-MD,.deps/s_scalbn.pp s_scalbn.c

e_pow.c: In function `__ieee754_pow':
e_pow.c:376: insn does not satisfy its constraints:
(insn 1810 711 1813 (set (reg:DI 34 %f2)
        (reg/v:DI 64 %f32 [112])) 58 {*movdi_insn_sp32_v9} (nil)
    (nil))
e_pow.c:376: Internal compiler error in reload_cse_simplify_operands, at reload1.c:8369

Please submit a full bug report,
with preprocessed source if appropriate.
>How-To-Repeat:
Download mozilla 1.1 source to your favorite Solaris 2.6 machine, after compiling libIDL, GTK, and glib as static modules, and configure it with CFLAGS="-O3 -march=ultrasparc".

make.

I'll create a tarball of the offending mozilla source tree, just in case anyone wants it.
>Fix:
I was going to try turning down the optimization and see if that avoided the error. That doesn't fix anything, of course...
>Release-Note:
>Audit-Trail:
>Unformatted: