[Bug rtl-optimization/25595] New: GCC ICE in xorg-x11 compiled in thumb

[raj dot khem at gmail dot com]

GCC produces an ICE  when compiling the attached sample program. This is a
preprocessed sourcefile from xorg-x11 package.

To reproduce the problem.

arm-none-gcc -mthumb -Os -S a.i

a.i:3383: warning: '__malloc__' attribute ignored
a.i: In function 'xxGlyphs':
a.i:13406: error: insn does not satisfy its constraints:
(jump_insn:HI 255 330 270 19 (parallel [
            (set (pc)
                (if_then_else (ne (reg:SI 3 r3)
                        (const_int 0 [0x0]))
                    (label_ref 108)
                    (pc)))
            (set (mem/c/i:SI (plus:SI (reg/f:SI 3 r3 [147])
                        (const_int 8 [0x8])) [2 nlist+0 S4 A32])
                (plus:SI (reg:SI 3 r3)
                    (const_int -1 [0xffffffffffffffff])))
            (clobber (reg:SI 3 r3))
        ]) 189 {*cbranchne_decr1} (nil)
    (expr_list:REG_BR_PROB (const_int 9000 [0x2328])
        (nil)))
a.i:13406: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:393
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: GCC ICE in xorg-x11 compiled in thumb
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: raj dot khem at gmail dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: arm-none-eabi


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25595