[Bug target/51106] [4.5/4.6/4.7 Regression] ICE in move_insn, at haifa-sched.c:2314

["rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51106

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-01-03
   Target Milestone|---                         |4.5.4
            Summary|[4.5 regression] ICE in     |[4.5/4.6/4.7 Regression]
                   |move_insn, at               |ICE in move_insn, at
                   |haifa-sched.c:2314          |haifa-sched.c:2314
     Ever Confirmed|0                           |1
      Known to fail|                            |4.7.0

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-03 11:49:52 UTC ---
On trunk we ICE with

t.i:32:25: warning: initialization from incompatible pointer type [enabled by
default]
t.i:2:5: warning: always_inline function might not be inlinable [-Wattributes]
t.i: In function 'aes_decrypt':
t.i:30:1: error: in basic block 8:
t.i:30:1: error: flow control insn inside a basic block
(jump_insn 34 33 47 8 (parallel [
            (asm_operands/v ("1: jmp %l1
2:
.section .altinstructions,"a"
.balign 4
.long 1b
.long 0
.word %P0
.byte 2b - 1b
.byte 0
.previous
") ("") 0 [
                    (const_int 24 [0x18])
                ]
                 [
                    (asm_input:HI ("i") (null):0)
                ]
                 [
                    (label_ref:SI 22)
                ] t.i:30)
            (clobber (reg:QI 18 fpsr))
            (clobber (reg:QI 17 flags))
        ]) t.i:4 -1
     (expr_list:REG_UNUSED (reg:QI 18 fpsr)
        (expr_list:REG_UNUSED (reg:QI 17 flags)
            (nil)))
 -> 22)
t.i:30:1: internal compiler error: in rtl_verify_flow_info_1, at cfgrtl.c:2002
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

at -O2 and

t.i:4:2: error: impossible constraint in 'asm'
t.i:9:1: error: too many outgoing branch edges from bb 2
t.i:9:1: internal compiler error: verify_flow_info failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

with -O1.