• d-bugmail puremagic.com (29/29) Nov 20 2013 https://d.puremagic.com/issues/show_bug.cgi?id=11565
• d-bugmail puremagic.com (12/12) Nov 20 2013 https://d.puremagic.com/issues/show_bug.cgi?id=11565
• d-bugmail puremagic.com (13/13) Nov 22 2013 https://d.puremagic.com/issues/show_bug.cgi?id=11565
• d-bugmail puremagic.com (10/10) Nov 22 2013 https://d.puremagic.com/issues/show_bug.cgi?id=11565
• d-bugmail puremagic.com (9/9) Nov 22 2013 https://d.puremagic.com/issues/show_bug.cgi?id=11565

d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=11565

           Summary: [Optimizer] Zeroes out the higher 32bits of register
                    in ?: expression
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: dmitry.olsh gmail.com



13:38:27 PST ---
This was a tricky devil to reduce. Marking as critical. 
Issue is specific to 64bit codegen:

size_t replicateBits(size_t val)
{
    return val ? size_t.max : 0;
}

unittest
{
    import std.conv;
    auto v = replicateBits(true);
    assert(v == size_t.max, text(v)); // fails with -O, prints 4294967295
}

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=11565


yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull, wrong-code
                 CC|                            |yebblies gmail.com
         AssignedTo|nobody puremagic.com        |yebblies gmail.com



https://github.com/D-Programming-Language/dmd/pull/2841

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=11565




Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/87b9cf934f45a90333daa0d999ba602dd2ef6a81
Fix Issue 11565 - [Optimizer] Zeroes out the higher 32bits of register in ?:
expression

https://github.com/D-Programming-Language/dmd/commit/056cc7d45d687fda12e263205b54e17a5afc1fad


Issue 11565 - [Optimizer] Zeroes out the higher 32bits of register in ?:
expression

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=11565




Commit pushed to dmd-1.x at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/4f8561cc12c22ec5741c5ab967946f8b6aabd844


Issue 11565 - [Optimizer] Zeroes out the higher 32bits of register in ?:
expression

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=11565


yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


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