[Bug c/34542] New: gcc.c-torture/compile/20071117-1.c fails on powerpc at -O0

["howarth at nitro dot med dot uc dot edu" <gcc-bugzilla at gcc dot gnu dot org>]

The testcase gcc.c-torture/compile/20071117-1.c fails on both
powerpc-apple-darwin* and powerpc64-unknown-linux-gnu at -O0. The failure on
powerpc-apple-darwin9 appears as...

Executing on host:
/sw/src/fink.build/gcc43-4.2.999-20071219/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc43-4.2.999-20071219/darwin_objdir/gcc/   -O0  -w
-fno-show-column -c 
 -m32 -o 20071117-1.o
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c
   (timeout = 300)
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:
In function 'foo':
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:13:
error: unrecognizable insn:
(insn 29 28 30 3
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:10
(set (mem/c:SI (mem/f/c/i:SI (plus:SI (reg/f:SI 1
15 virtual-stack-vars)
                    (const_int 4 [0x4])) [0 p+0 S4 A32]) [0 S4 A8])
        (reg:SI 134)) -1 (nil))
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:13:
internal compiler error: in extract_insn, at recog.c:1990
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
compiler exited with status 1
output is:
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:
In function 'foo':
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:13:
error: unrecognizable insn:
(insn 29 28 30 3
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:10
(set (mem/c:SI (mem/f/c/i:SI (plus:SI (reg/f:SI 1
15 virtual-stack-vars)
                    (const_int 4 [0x4])) [0 p+0 S4 A32]) [0 S4 A8])
        (reg:SI 134)) -1 (nil))
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:13:
internal compiler error: in extract_insn, at recog.c:1990
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
FAIL: gcc.c-torture/compile/20071117-1.c  -O0  (internal compiler error)
FAIL: gcc.c-torture/compile/20071117-1.c  -O0  (test for excess errors)
Excess errors:
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:13:
error: unrecognizable insn:
(insn 29 28 30 3
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:10
(set (mem/c:SI (mem/f/c/i:SI (plus:SI (reg/f:SI 1
15 virtual-stack-vars)
                    (const_int 4 [0x4])) [0 p+0 S4 A32]) [0 S4 A8])
        (reg:SI 134)) -1 (nil))
/sw/src/fink.build/gcc43-4.2.999-20071219/gcc-4.3-20071219/gcc/testsuite/gcc.c-torture/compile/20071117-1.c:13:
internal compiler error: in extract_insn, at recog.c:1990


-- 
           Summary: gcc.c-torture/compile/20071117-1.c fails on powerpc at -
                    O0
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: howarth at nitro dot med dot uc dot edu
 GCC build triplet: powerpc-apple-darwin9
  GCC host triplet: powerpc-apple-darwin9
GCC target triplet: powerpc-apple-darwin9


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34542