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From: "schwab at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/37878] PPC64 ldu command generated with invalid offset
Date: Tue, 21 Oct 2008 08:37:00 -0000 [thread overview]
Message-ID: <20081021083602.31093.qmail@sourceware.org> (raw)
In-Reply-To: <bug-37878-271@http.gcc.gnu.org/bugzilla/>
------- Comment #3 from schwab at suse dot de 2008-10-21 08:36 -------
Reduced testcase:
double y, z;
void foo (long x)
{
y = *(double *) ((long *) (x - 1) + 1);
z = *(double *) ((long *) (x - 1) + 1);
}
$ gcc -m64 -O -c ldu.c
/tmp/ccYujYhd.s: Assembler messages:
/tmp/ccYujYhd.s:20: Error: operand out of domain (7 is not a multiple of 4)
The insn is generated during auto-inc-dec.
(insn 9 8 10 2 ldu.c:4 (set (reg:DF 122)
(mem:DF (pre_modify:DI (reg/f:DI 119 [ D.1253 ])
(plus:DI (reg/f:DI 119 [ D.1253 ])
(const_int 7 [0x7]))) [0 S8 A64])) 345 {*movdf_hardfloat64}
(expr_list:REG_INC (reg/f:DI 119 [ D.1253 ])
(nil)))
--
schwab at suse dot de changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2008-10-21 08:36:02
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37878
next prev parent reply other threads:[~2008-10-21 8:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-21 0:32 [Bug target/37878] New: " lucier at math dot purdue dot edu
2008-10-21 0:33 ` [Bug target/37878] " lucier at math dot purdue dot edu
2008-10-21 0:34 ` lucier at math dot purdue dot edu
2008-10-21 8:37 ` schwab at suse dot de [this message]
2008-10-21 8:40 ` [Bug target/37878] [4.4 regression] " schwab at suse dot de
2008-10-21 9:56 ` jakub at gcc dot gnu dot org
2008-10-21 14:54 ` dje at gcc dot gnu dot org
2008-10-21 15:12 ` jakub at gcc dot gnu dot org
2008-10-21 15:16 ` dje at gcc dot gnu dot org
2008-10-22 3:33 ` mmitchel at gcc dot gnu dot org
2008-10-22 11:35 ` jakub at gcc dot gnu dot org
2008-10-23 19:22 ` lucier at math dot purdue dot edu
2008-10-23 21:26 ` lucier at math dot purdue dot edu
2008-10-28 22:37 ` dje at gcc dot gnu dot org
2008-10-28 23:15 ` dje at gcc dot gnu dot org
2008-10-29 8:33 ` jakub at gcc dot gnu dot org
2008-10-29 23:33 ` dje at gcc dot gnu dot org
2008-10-30 0:02 ` lucier at math dot purdue dot edu
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