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From: "jingyu at google dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/44788] New: [regression]internal compiler error: in reload_cse_simplify_operands, at postreload.c:395 Date: Fri, 02 Jul 2010 17:39:00 -0000 [thread overview] Message-ID: <bug-44788-17567@http.gcc.gnu.org/bugzilla/> (raw) Revision 160947 breaks the following test case. void joint_decode(float* mlt_buffer1, int t) { int i; float decode_buffer[1060]; foo(decode_buffer); for (i=0; i<10 ; i++) { mlt_buffer1[i] = i * decode_buffer[t]; } } /usr/local/install/R160947/libexec/gcc/arm-linux-androideabi/4.6.0/cc1 -fpreprocessed cook.i -fPIC -quiet -dumpbase cook.i "-march=armv7-a" "-mfloat-abi=softfp" "-mfpu=neon" -mthumb -auxbase-strip cook.o -Os -fno-strict-aliasing -o /tmp/ccrdKipa.s cook.i: In function 'joint_decode': cook.i:8:1: error: insn does not satisfy its constraints: (insn 98 55 59 2 cook.i:6 (set (reg:SI 3 r3) (plus:SI (mult:SI (reg/v:SI 5 r5 [orig:183 t ] [183]) (const_int 4 [0x4])) (reg/f:SI 13 sp))) 674 {*thumb2_arith_shiftsi} (nil)) cook.i:8:1: internal compiler error: in reload_cse_simplify_operands, at postreload.c:395 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. I tried revision 160946 and did not see such error. The bug may not be brought by r160947, but it was triggered. -- Summary: [regression]internal compiler error: in reload_cse_simplify_operands, at postreload.c:395 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jingyu at google dot com GCC build triplet: x86_64-pc-linux-gnu GCC host triplet: x86_64-pc-linux-gnu GCC target triplet: arm-linux-androideabi,arm-eabi http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44788
next reply other threads:[~2010-07-02 17:39 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-07-02 17:39 jingyu at google dot com [this message] 2010-07-02 21:07 ` [Bug rtl-optimization/44788] " rearnsha at gcc dot gnu dot org
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