[Fwd: ICE with crx-elf-gcc 4.5.0 20090407]

M R Swami Reddy MR.Swami.Reddy@nsc.com
Tue Apr 7 12:55:00 GMT 2009


Below issue observed with -O3 -funroll-all-loops option.

-------- Original Message --------
Subject: ICE with crx-elf-gcc 4.5.0 20090407
Date: Tue, 07 Apr 2009 17:42:44 +0530
From: M R Swami Reddy <MR.Swami.Reddy@nsc.com>
To: gcc-help@gcc.gnu.org <gcc-help@gcc.gnu.org>,  GCC Patches 
<gcc-patches@gcc.gnu.org>

Hello,

Built the crx-elf-gcc tools using the trunk sources. With this gcc,
below ICE observed. Is it regression?

NOTE: crx-elf-gcc 4.2.4 no error seen.
========================================================
error: insn does not satisfy its constraints:
(insn 8 119 130 2 /scratch/user/swami/gdb/testing/plum500/conform/c67.c:149 (set
  (mem/c/i:SI (post_modify:SI (reg:SI 3 r3)
                 (plus:SI (reg:SI 3 r3)
                     (const_int 8 [0x8]))) [3 x1+0 S4 A32])
         (const_int 0 [0x0])) 91 {movsi_store} (expr_list:REG_INC (reg:SI 3 r3)
         (nil)))
/scratch/c67.c:187: internal compiler error: in copyprop_hardreg_forward_1, at
regrename.c:1603
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

bash-2.05b$ crx-elf-gcc -v
Using built-in specs.
Target: crx-elf
Configured with: /local/kafi/common/users/swami/crx/trunk/configure
--prefix=/local/kafi/common/users/swami/crx/release/linux --target=crx-elf
--disable-nls --enable-languages=c,c++ --disable-libssp
--with-gmp=/local/kafi/common/users/swami/crx/release/linux
--with-mpfr=/local/kafi/common/users/swami/crx/release/linux
Thread model: single
gcc version 4.5.0 20090407 (experimental) (GCC)
=======

Thanks
Swami




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