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digitalmars.D.bugs - [Issue 7594] New: xmm ops use actual addition/subtraction when evaluating real+imaginary

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=7594

           Summary: xmm ops use actual addition/subtraction when
                    evaluating real+imaginary
           Product: D
           Version: D1 & D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: wrong-code
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: yebblies gmail.com
        ReportedBy: yebblies gmail.com


--- Comment #0 from yebblies <yebblies gmail.com> 2012-02-27 03:24:24 EST ---
Code generation for real+imaginary,imaginary+real,real-imaginary and
imaginary-real is done by xmmorth, which implements it the same as real+real,
resulting in very wrong code.

float f() { return 1.f; }
ifloat i() { return 1.fi; }
void main()
{
    assert(f() + i() == 1.f + 1.fi);
}

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next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=7594


yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull


--- Comment #1 from yebblies <yebblies gmail.com> 2012-02-27 03:38:31 EST ---
https://github.com/D-Programming-Language/dmd/pull/769

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--- Comment #2 from github-bugzilla puremagic.com 2012-05-19 13:19:08 PDT ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/017219a7b63df210723ffb79386767e4c3dd6f16
add teset case for issue 7594

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May 19 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
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Walter Bright <bugzilla digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla digitalmars.com
         Resolution|                            |WORKSFORME


--- Comment #3 from Walter Bright <bugzilla digitalmars.com> 2012-05-19
13:20:04 PDT ---
This is working for 2.060.

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prev sibling parent d-bugmail puremagic.com writes:
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yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|WORKSFORME                  |FIXED


--- Comment #4 from yebblies <yebblies gmail.com> 2012-07-11 17:01:51 EST ---
https://github.com/D-Programming-Language/dmd/commit/2bd777ed268048ae3de688794699ab6ce735432d

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