[Bug c/39685] New: ICE: in copyprop_hardreg_forward_1, at regrename.c:1603

[MR dot Swami dot Reddy at nsc dot com]

Compile the below testcase with -O3 -funroll-all-loops option, using
crx-elf-gcc vesion 4.5.0 20080307 (sources from trunk).
Command line:
crx-elf-gcc test.c -o3 -funroll-all-loops

test.c:187: error: insn does not satisfy its constraints:
(insn 8 119 130 2 /scratch/user/swami/test.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/user/swami/test.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.
====

NOTE: This issue not obsered with crx-elf-gcc 4.1.1 tools.


-- 
           Summary: ICE: in copyprop_hardreg_forward_1, at regrename.c:1603
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: critical
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: MR dot Swami dot Reddy at nsc dot com
 GCC build triplet: native linux
  GCC host triplet: Native Linux
GCC target triplet: crx-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39685