$ m68k-linux-gcc -v -m5307 -msep-data -O1 -c gcc-m68k-ice.c
Using built-in specs.
Target: m68k-linux
Configured with: ../gcc-4.3-20061202/configure --prefix=/home/ssoe/tmp/m68k
--target m68k-linux --disable-shared --disable-threads --enable-languages=c
--with-headers=/home/ssoe/tmp/m68k/m68k-linux/include
Thread model: single
gcc version 4.3.0 20061202 (experimental)
/home/ssoe/tmp/m68k/libexec/gcc/m68k-linux/4.3.0/cc1 -quiet -v
-D__HAVE_68881__ gcc-m68k-ice.c -quiet -dumpbase gcc-m68k-ice.c -m5307
-msep-data -auxbase gcc-m68k-ice -O1 -version -o /tmp/cchI2eF1.s
#include "..." search starts here:
#include <...> search starts here:
/home/ssoe/tmp/m68k/lib/gcc/m68k-linux/4.3.0/include
/home/ssoe/tmp/m68k/lib/gcc/m68k-linux/4.3.0/../../../../m68k-linux/sys-include
/home/ssoe/tmp/m68k/lib/gcc/m68k-linux/4.3.0/../../../../m68k-linux/include
End of search list.
GNU C version 4.3.0 20061202 (experimental) (m68k-linux)
compiled by GNU C version 4.1.1 20061011 (Red Hat 4.1.1-30).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: c0f3be0098cca37cfe39087e559a1e7c
gcc-m68k-ice.c: In function f:
gcc-m68k-ice.c:28: error: insn does not satisfy its constraints:
(insn 81 205 207 9 (parallel [
(set (reg:SI 2 %d2)
(div:SI (reg:SI 2 %d2)
(mem/c:SI (plus:SI (reg/f:SI 14 %a6)
(reg:SI 9 %a1)) [0 column_width+0 S4 A8])))
(set (reg:SI 0 %d0 [80])
(mod:SI (reg:SI 2 %d2)
(mem/c:SI (plus:SI (reg/f:SI 14 %a6)
(reg:SI 9 %a1)) [0 column_width+0 S4 A8])))
]) 228 {*m68k.md:3000} (nil)
(nil))
gcc-m68k-ice.c:28: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:393
If any of the options -m5307, -msep-data, or -O1 is removed, the problem goes
away.
Reproduced on 4.1.1, 4.1-20061124, 4.2-20061128, 4.3-20061202. Couldn't
reproduce ICE on 3.4.6, but it could be generating incorrect code (no solid
evidence of that though).
--
Summary: ICE in reload_cse_simplify_operands, at postreload.c:393
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: ssoe at kirktelecom dot com
GCC build triplet: i686-redhat-linux-gnu
GCC host triplet: i686-redhat-linux-gnu
GCC target triplet: m68k-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30064
