http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49135
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
CC| |ramana at gcc dot gnu.org,
| |rearnsha at gcc dot gnu.org
Known to fail| |4.7.0
--- Comment #5 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> 2011-05-26
22:55:38 UTC ---
This is related to PR47719 . Appears to work fine on the 4.6 branch. Atleast an
O2 trial didn't blow up.
from a backtrace.
(gdb)up
#3 0x08729c62 in arm_reorg () at
/home/ramrad01/sources/fsf/trunk/gcc/config/arm/arm.c:12258
(gdb) p insn
$2 = (rtx) 0xb7cf5d14
(gdb) pr
(insn 13 12 108 (set (reg:SI 2 r2 [orig:142 D.2035 ] [142])
(zero_extend:SI (mem/u/c/i:HI (symbol_ref/u:SI ("*.LC0") [flags 0x2])
[4 S2 A32])))
/home/ramrad01/sources/fsf/trunk/gcc/testsuite/gcc.c-torture/execute/920302-1.c:14
147 {*arm_zero_extendhisi2}
(insn_list:REG_LABEL_OPERAND 30 (expr_list:REG_EQUIV (zero_extend:SI
(mem/u/c/i:HI (symbol_ref/u:SI ("*.LC0") [flags 0x2]) [4 S2 A32]))
(nil))))
Reproduced with -march=armv5te -marm -mfloat-abi=soft on the command line.
cheers
Ramana
