http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53700
Bug #: 53700
Summary: [4.7 regression] ICE in reload_cse_simplify_operands,
at postreload.c:403
Classification: Unclassified
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: xarthisius...@gmail.com
Created attachment 27635
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27635
reduced testcase
Attached code causes following:
(x86) otus / # gcc-4.7.1 -O2 -fPIC -c ice_421413.i
ice_421413.i: In function 'oc_enc_analyze_inter':
ice_421413.i:262:11: warning: passing argument 4 of 'oc_cost_inter4mv' makes
pointer from integer without a cast [enabled by default]
ice_421413.i:209:13: note: expected 'signed char (*)[2]' but argument is of
type 'int'
ice_421413.i:275:1: error: insn does not satisfy its constraints:
(insn 453 452 550 8 (set (reg/f:SI 405)
(plus:SI (reg/f:SI 20 frame)
(const_int -480 [0xfffffffffffffe20]))) 247 {*leasi_2}
(expr_list:REG_EQUIV (plus:SI (reg/f:SI 20 frame)
(const_int -480 [0xfffffffffffffe20]))
(nil)))
ice_421413.i:275:1: internal compiler error: in reload_cse_simplify_operands,
at postreload.c:403
(x86) otus work # gcc -v
Using built-in specs.
COLLECT_GCC=/usr/i686-pc-linux-gnu/gcc-bin/4.7.1/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/i686-pc-linux-gnu/4.7.1/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: /dev/shm/portage/sys-devel/gcc-4.7.1/work/gcc-4.7.1/configure
--prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.7.1
--includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.7.1/include
--datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.7.1
--mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.7.1/man
--infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.7.1/info
--with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.7.1/include/g++-v4
--host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --disable-altivec
--disable-fixed-point --with-ppl --with-cloog --disable-ppl-version-check
--with-cloog-include=/usr/include/cloog-ppl --enable-lto --enable-nls
--without-included-gettext --with-system-zlib --enable-obsolete
--disable-werror --enable-secureplt --disable-multilib --enable-libmudflap
--disable-libssp --enable-libgomp
--with-python-dir=/share/gcc-data/i686-pc-linux-gnu/4.7.1/python
--enable-checking=release --disable-libgcj --with-arch=i686
--enable-languages=c,c++,fortran --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu --enable-targets=all
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.7.1 p1.0,
pie-0.5.3'
Thread model: posix
gcc version 4.7.1 (Gentoo 4.7.1 p1.0, pie-0.5.3)
It can be also reproduced on x86_64 with addition of -m32 flag.
