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[Bug target/32889] [4.2 Regression] ICE in delete_output_reload, at reload1.c:7926
- From: "tbm at cyrius dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Oct 2007 06:10:25 -0000
- Subject: [Bug target/32889] [4.2 Regression] ICE in delete_output_reload, at reload1.c:7926
- References: <bug-32889-10464@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from tbm at cyrius dot com 2007-10-20 06:10 -------
(In reply to comment #8)
> Would you do the following for the failing assert?
> p debug_rtx (insn)
> p debug_rtx (i1)
> p debug_rtx (substed)
Breakpoint 3, delete_output_reload (insn=0x2ab2d757c140, j=1,
last_reload_reg=21)
at /home/tbm/scratch/gcc-4.2/gcc/reload1.c:7932
7932 gcc_assert (!rtx_equal_p (XEXP (i1, 0), substed));
(gdb) p debug_rtx (insn)
(insn 73 78 76 5 (set (mem/c:SI (plus:SI (reg/f:SI 3 %r3)
(const_int 17888 [0x45e0])) [19 S4 A32])
(plus:SI (reg/f:SI 3 %r3)
(const_int 1056 [0x420]))) 114 {addsi3} (nil)
(expr_list:REG_EQUIV (plus:SI (reg/f:SI 3 %r3)
(const_int 1056 [0x420]))
(nil)))
$1 = void
(gdb) p debug_rtx (i1)
(expr_list:REG_EQUIV (mem/c:SI (plus:SI (reg/f:SI 3 %r3)
(const_int 17888 [0x45e0])) [19 S4 A32])
(nil))
$2 = void
(gdb) p debug_rtx (substed)
(mem/c:SI (plus:SI (reg/f:SI 3 %r3)
(const_int 17888 [0x45e0])) [19 S4 A32])
$3 = void
(gdb)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32889