$ gcc/xgcc -v -B gcc -O2 -S md.i
Reading specs from gcc/specs
Target: ia64-suse-linux
Configured with: ../configure --host=ia64-suse-linux --enable-shared
--enable-threads --enable-__cxa_atexit --with-system-zlib
--with-system-libunwind
Thread model: posix
gcc version 4.0.0 20050219 (experimental)
gcc/cc1 -fpreprocessed md.i -quiet -dumpbase md.i -auxbase md -O2 -version -o
md.s
GNU C version 4.0.0 20050219 (experimental) (ia64-suse-linux)
compiled by GNU C version 4.0.0 20050219 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
md.i: In function ‘do_md’:
md.i:3741: error: insn does not satisfy its constraints:
(insn 5989 5988 5990 236 (set (reg:SI 262 p6)
(reg:SI 17 r17)) 4 {*movsi_internal} (nil)
(nil))
md.i:3741: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:391
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
Broken by this change:
2005-02-06 Roger Sayle <[EMAIL PROTECTED]>
Andrew Pinski <[EMAIL PROTECTED]>
Paolo Bonzini <[EMAIL PROTECTED]>
* simplify-rtx.c (simplify_relational_operation_1): Simplify
(ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
into just (zero_extract:SI FOO (const_int 1) BAR).
--
Summary: [4.0 regression] ICE in reload_cse_simplify_operands
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P2
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: schwab at suse dot de
CC: gcc-bugs at gcc dot gnu dot org,paolo dot bonzini at lu
dot unisi dot ch,pinskia at physics dot uc dot edu,roger
at eyesopen dot com
GCC target triplet: ia64-suse-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097