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[Bug c/12441] New: Can't spill register bug
- From: "andreas at andreas dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Sep 2003 09:42:09 -0000
- Subject: [Bug c/12441] New: Can't spill register bug
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12441
Summary: Can't spill register bug
Product: gcc
Version: 3.3.2
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: andreas at andreas dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
andreas@meo-dipt:~/gd/build/common/format$ gcc --version
gcc (GCC) 3.3.2 20030908 (Debian prerelease)
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
andreas@meo-dipt:~/gd/build/common/format$ gcc -O2 -c gcc-bug.c
gcc-bug.c: In function `formatZformatZbuf_format_integer_METH_INT_next_digit':
gcc-bug.c:148: error: unable to find a register to spill in class `Q_REGS'
gcc-bug.c:148: error: this is the insn:
(insn:HI 381 379 388 12 0x4001a790 (set (mem:QI (plus:SI (plus:SI (subreg:SI
(reg/v:DI 88) 4)
(subreg:SI (reg/v:DI 89) 0))
(const_int 16 [0x10])) [0 S1 A8])
(subreg:QI (reg/v:SI 4 esi [84]) 0)) 47 {*movqi_1} (nil)
(expr_list:REG_DEAD (reg/v:DI 89)
(expr_list:REG_DEAD (reg/v:DI 88)
(expr_list:REG_DEAD (reg/v:SI 4 esi [84])
(nil)))))
gcc-bug.c:148: confused by earlier errors, bailing out
The file in question can be found at http://www.gwydiondylan.org/~andreas/gcc-bug.c