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* Re: target/6735: sse V4SF alignment not distributed to structs
@ 2002-06-16 13:46 hubicka
0 siblings, 0 replies; 2+ messages in thread
From: hubicka @ 2002-06-16 13:46 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, nobody, wesslen
Synopsis: sse V4SF alignment not distributed to structs
State-Changed-From-To: open->closed
State-Changed-By: hubicka
State-Changed-When: Sun Jun 16 13:24:11 2002
State-Changed-Why:
Should be fixed by the ADJUST_FIELD_ALIGN patch
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6735
^ permalink raw reply [flat|nested] 2+ messages in thread
* target/6735: sse V4SF alignment not distributed to structs
@ 2002-05-20 5:46 wesslen
0 siblings, 0 replies; 2+ messages in thread
From: wesslen @ 2002-05-20 5:46 UTC (permalink / raw)
To: gcc-gnats
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>Number: 6735
>Category: target
>Synopsis: sse V4SF alignment not distributed to structs
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Mon May 20 05:46:06 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Daniel Wesslén
>Release: gcc version 3.1
>Organization:
>Environment:
Cygwin 1.3.9/Windows XP
Reading specs from /usr/local/lib/gcc-lib/i686-pc-cygwin/3.1/specs
Configured with: /usr/src/gcc/gcc-3.1/configure
Thread model: single
gcc version 3.1
>Description:
Alignment from vectorized types is not distributed to aggregate types.
>How-To-Repeat:
Compile with g++ -march=pentium4
#include <iostream>
typedef int v4sf __attribute__((__mode__(V4SF)));
struct misaligned {
v4sf a;
};
int main()
{
std::cout << __alignof__(v4sf) << std::endl; // 16
std::cout << __alignof__(misaligned) << std::endl; // 8
}
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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2002-06-16 13:46 target/6735: sse V4SF alignment not distributed to structs hubicka
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2002-05-20 5:46 wesslen
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