RE: optimization/5742: bug with -freg-struct-return and functions returning 1 byte values

RE: optimization/5742: bug with -freg-struct-return and functions returning 1 byte values

[Reed Kotler]

The following reply was made to PR optimization/5742; it has been noted by GNATS.

From: Reed Kotler <reed@reedkotler.com>
To: rth@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org,
 nobody@gcc.gnu.org, reed@reedkotler.com, rth@gcc.gnu.org, gcc-gnats@gcc.gnu.org
Cc:  
Subject: RE: optimization/5742: bug with -freg-struct-return and functions
 returning 1 byte values
Date: Sun, 24 Mar 2002 16:24:52 -0800

 Hi .
 
 Thanks. I'll check it out.
 
 Reed
 
 
 -----Original Message-----
 From: rth@gcc.gnu.org [mailto:rth@gcc.gnu.org] 
 Sent: Sunday, March 24, 2002 12:09 AM
 To: gcc-bugs@gcc.gnu.org; gcc-prs@gcc.gnu.org; nobody@gcc.gnu.org;
 reed@reedkotler.com; rth@gcc.gnu.org
 Subject: Re: optimization/5742: bug with -freg-struct-return and
 functions returning 1 byte values
 
 Synopsis: bug with -freg-struct-return and functions returning 1 byte
 values
 
 Responsible-Changed-From-To: unassigned->rth
 Responsible-Changed-By: rth
 Responsible-Changed-When: Sun Mar 24 00:08:54 2002
 Responsible-Changed-Why:
     .
 State-Changed-From-To: open->closed
 State-Changed-By: rth
 State-Changed-When: Sun Mar 24 00:08:54 2002
 State-Changed-Why:
     http://gcc.gnu.org/ml/gcc-patches/2002-03/msg01523.html
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=g
 cc&pr=5742
 

Re: optimization/5742: bug with -freg-struct-return and functions returning 1 byte values

[rth]

Synopsis: bug with -freg-struct-return and functions returning 1 byte values

Responsible-Changed-From-To: unassigned->rth
Responsible-Changed-By: rth
Responsible-Changed-When: Sun Mar 24 00:08:54 2002
Responsible-Changed-Why:
    .
State-Changed-From-To: open->closed
State-Changed-By: rth
State-Changed-When: Sun Mar 24 00:08:54 2002
State-Changed-Why:
    http://gcc.gnu.org/ml/gcc-patches/2002-03/msg01523.html

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5742

optimization/5742: bug with -freg-struct-return and functions returning 1 byte values

[reed]

>Number:         5742
>Category:       optimization
>Synopsis:       bug with -freg-struct-return and functions returning 1 byte values
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Feb 20 16:16:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     reed@reedkotler.com
>Release:        unknown-1.0
>Organization:
>Environment:

>Description:
I am including a few line makefile and C file.

THe compiler was built as a mips-elf compiler under 3.0.3 .

This was not a problem under 2.95.2 (I believe)
>How-To-Repeat:
mips-elf-gcc -O -freg-struct-return bug1.c
>Fix:
I am looking at it too but wanted to submit the bug also.
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: text/plain; name="bug1.C"
Content-Disposition: inline; filename="bug1.C"

struct my_bool {
        char value;
};
struct my_bool test_func(
)
{
        struct my_bool result;
        return result;
}