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* Re: c/7873: arm-linux-gcc fails when assigning address to a bit field
@ 2002-09-10 8:47 rearnsha
0 siblings, 0 replies; 3+ messages in thread
From: rearnsha @ 2002-09-10 8:47 UTC (permalink / raw)
To: alex.zatsman, gcc-bugs, gcc-prs, nobody, rearnsha
Synopsis: arm-linux-gcc fails when assigning address to a bit field
Responsible-Changed-From-To: unassigned->rearnsha
Responsible-Changed-By: rearnsha
Responsible-Changed-When: Tue Sep 10 08:47:00 2002
Responsible-Changed-Why:
.
State-Changed-From-To: open->closed
State-Changed-By: rearnsha
State-Changed-When: Tue Sep 10 08:47:00 2002
State-Changed-Why:
Fixed
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7873
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: c/7873: arm-linux-gcc fails when assigning address to a bit field
@ 2002-09-10 2:56 Richard Earnshaw
0 siblings, 0 replies; 3+ messages in thread
From: Richard Earnshaw @ 2002-09-10 2:56 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR c/7873; it has been noted by GNATS.
From: Richard Earnshaw <rearnsha@cambridge.arm.com>
To: alex.zatsman@analog.com
Cc: gcc-gnats@gcc.gnu.org, debian-gcc@lists.debian.org,
Richard.Earnshaw@arm.com
Subject: Re: c/7873: arm-linux-gcc fails when assigning address to a bit
field
Date: Tue, 10 Sep 2002 10:50:50 +0100
> >How-To-Repeat:
>
> /** Run "arm-linux-gcc -c" on this preprocessed segment : **/
>
>
> unsigned int x0 = 0;
>
> typedef struct {
> unsigned int field1 : 20;
> unsigned int field2 : 12;
> } XX;
>
> static XX yy;
>
> static void foo (void)
> {
> yy.field1 = (unsigned int ) (&x0);
> }
Please try the following patch:
2002-09-10 Richard Earnshaw <rearnsha@arm.com>
* arm.md (insv): Use reg_or_int_operand for operand[3].
Index: arm.md
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/arm/arm.md,v
retrieving revision 1.104
diff -p -r1.104 arm.md
*** arm.md 29 Jul 2002 12:41:46 -0000 1.104
--- arm.md 10 Sep 2002 09:44:07 -0000
***************
*** 1866,1872 ****
[(set (zero_extract:SI (match_operand:SI 0 "s_register_operand" "")
(match_operand:SI 1 "general_operand" "")
(match_operand:SI 2 "general_operand" ""))
! (match_operand:SI 3 "nonmemory_operand" ""))]
"TARGET_ARM"
"
{
--- 1866,1872 ----
[(set (zero_extract:SI (match_operand:SI 0 "s_register_operand" "")
(match_operand:SI 1 "general_operand" "")
(match_operand:SI 2 "general_operand" ""))
! (match_operand:SI 3 "reg_or_int_operand" ""))]
"TARGET_ARM"
"
{
^ permalink raw reply [flat|nested] 3+ messages in thread
* c/7873: arm-linux-gcc fails when assigning address to a bit field
@ 2002-09-09 15:26 alex.zatsman
0 siblings, 0 replies; 3+ messages in thread
From: alex.zatsman @ 2002-09-09 15:26 UTC (permalink / raw)
To: gcc-gnats, debian-gcc
>Number: 7873
>Category: c
>Synopsis: arm-linux-gcc fails when assigning address to a bit field
>Confidential: no
>Severity: critical
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Mon Sep 09 15:26:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Alex Zatsman
>Release: arm-linux-gcc v.3.2
>Organization:
Analog Devices
>Environment:
System: Linux tula 2.4.9 #1 SMP Fri Oct 26 14:37:41 EDT 2001 i686 unknown
Architecture: i686
host: i386-pc-linux-gnu
build: i386-pc-linux-gnu
target: i386-pc-linux-gnu
configured with: arm-linux set
>Description:
./arm-linux-gcc -c xxx2.c
xxx2.c: In function `foo':
xxx2.c:13: unrecognizable insn:
(insn 13 11 15 (set (reg:SI 34)
(ashift:SI (symbol_ref:SI ("x0"))
(const_int 12 [0xc]))) -1 (nil)
(nil))
xxx2.c:13: Internal compiler error in extract_insn, at recog.c:2148
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
>How-To-Repeat:
/** Run "arm-linux-gcc -c" on this preprocessed segment : **/
unsigned int x0 = 0;
typedef struct {
unsigned int field1 : 20;
unsigned int field2 : 12;
} XX;
static XX yy;
static void foo (void)
{
yy.field1 = (unsigned int ) (&x0);
}
>Fix:
You tell me :)
>Release-Note:
>Audit-Trail:
>Unformatted:
^ permalink raw reply [flat|nested] 3+ messages in thread
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2002-09-10 8:47 c/7873: arm-linux-gcc fails when assigning address to a bit field rearnsha
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2002-09-09 15:26 alex.zatsman
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