http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50843
Bug #: 50843
Summary: ICE in simplify_subreg, simplify-rtx.c:5417 with
-march=pentium3
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: dnovi...@gcc.gnu.org
Several tests in gcc.c-torture are failing with -m32 -march=pentium3 on trunk
at rev 180234.
$ ./cc1 -fpreprocessed vector-shift.i -quiet -dumpbase vector-shift.c -m32
-march=pentium3 -auxbase vector-shift -O1 -w -version -o vector-shift.s
GNU C (GCC) version 4.7.0 20111020 (experimental) (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.4.3, GMP version 4.3.2, MPFR version
2.4.2-p1, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C (GCC) version 4.7.0 20111020 (experimental) (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.4.3, GMP version 4.3.2, MPFR version
2.4.2-p1, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: b4c9a0b913ea7f509422e8703450aae5
.../gcc/testsuite/gcc.c-torture/execute/vector-shift.c: In function 'main':
.../gcc/testsuite/gcc.c-torture/execute/vector-shift.c:48:1: internal compiler
error: in simplify_subreg, at simplify-rtx.c:5417
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
I'm attaching the .i file for convenience.
