http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57727
Bug ID: 57727
Summary: RaspberryPi gcc internal compiler error unrecognisable
insn
Product: gcc
Version: 4.6.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: themos.tsikas at gmail dot com
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/4.6/lto-wrapper
Target: arm-linux-gnueabihf
Configured with: ../src/configure -v --with-pkgversion='Debian 4.6.3-14+rpi1'
--with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.6 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object
--enable-plugin --enable-objc-gc --disable-sjlj-exceptions --with-arch=armv6
--with-fpu=vfp --with-float=hard --enable-checking=release
--build=arm-linux-gnueabihf --host=arm-linux-gnueabihf
--target=arm-linux-gnueabihf
Thread model: posix
gcc version 4.6.3 (Debian 4.6.3-14+rpi1)
$ gcc -O3 -funroll-loops -finline-functions -march=armv6 -mfpu=vfp
-mfloat-abi=hard -fsigned-char -c bugbug.c
../src/semintr.c: In function ‘reduce_mul_i8’:
../src/semintr.c:17873:1: error: unrecognizable insn:
(insn 2317 2316 2318 224 (set (subreg:SI (reg:DI 715 [ MEM[base: a_265, offset:
0B] ]) 0)
(sign_extend:SI (mem:QI (plus:SI (mult:SI (reg/v:SI 196 [ astep ])
(const_int 2 [0x2]))
(reg/v/f:SI 290 [ a ])) [0 MEM[base: a_265, offset: 0B]+0
S1 A8]))) ../src/semintr.c:17859 -1
(nil))
../src/semintr.c:17873:1: internal compiler error: in extract_insn, at
recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
