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July 23, 2014 [Issue 12164] Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set. | ||||
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 | https://issues.dlang.org/show_bug.cgi?id=12164 yebblies <yebblies@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |pull Hardware|All |x86_64 Assignee|nobody@puremagic.com |yebblies@gmail.com --- Comment #10 from yebblies <yebblies@gmail.com> --- Found it! https://github.com/D-Programming-Language/dmd/pull/3805 ptrdiff_t.min was being truncated to 32-bits == 0 while trying to optimize the ternary operator it built out of the compare function. The xor eax, eax was done by the pinhole optimizer working off the already broken code. -- | |||
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ReplyJuly 24, 2014 [Issue 12164] Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set. | ||||
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 | https://issues.dlang.org/show_bug.cgi?id=12164 --- Comment #11 from github-bugzilla@puremagic.com --- Commits pushed to master at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/44b9d2735e58833115fcf4fb7f3cc4ba524e9159 Fix Issue 12164 - Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set The trick used to optimize ?const:const doesn't work when you can't actually express the value as immediates. They were silently truncated leading to incorrect results. Values were also truncated due to a typo. https://github.com/D-Programming-Language/dmd/commit/f4a8858f5dd2cf8a46917bae5cebade9c786d007 Merge pull request #3805 from yebblies/issue12164 Fix Issue 12164 - Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set -- | |||
July 24, 2014 [Issue 12164] Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set. | ||||
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| https://issues.dlang.org/show_bug.cgi?id=12164 --- Comment #12 from github-bugzilla@puremagic.com --- Commit pushed to dmd-1.x at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/56ed061f012cda411fdc2fcfea4d71ba906e4a2d Fix Issue 12164 - Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set -- | |||
July 31, 2014 [Issue 12164] Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set. | ||||
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| https://issues.dlang.org/show_bug.cgi?id=12164 --- Comment #13 from github-bugzilla@puremagic.com --- Commit pushed to 2.066 at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/be520148c02ad417a6fd5c8e98e6d56afb8e01ab Merge pull request #3805 from yebblies/issue12164 Fix Issue 12164 - Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set -- | |||
August 02, 2014 [Issue 12164] Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set. | ||||
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| https://issues.dlang.org/show_bug.cgi?id=12164 --- Comment #14 from github-bugzilla@puremagic.com --- Commits pushed to master at https://github.com/D-Programming-Language/phobos https://github.com/D-Programming-Language/phobos/commit/f802ee6ce1dfe1e2725e6b27a218526aa696d740 Remove workaround for issue 12164. https://github.com/D-Programming-Language/phobos/commit/9dc763d0f3a441bcd7f58a35b17b24423f2faca6 Merge pull request #2394 from Kapps/remove12164wa Remove workaround for issue 12164. -- | |||
August 22, 2014 [Issue 12164] Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set. | ||||
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| https://issues.dlang.org/show_bug.cgi?id=12164 --- Comment #15 from github-bugzilla@puremagic.com --- Commit pushed to master at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/be520148c02ad417a6fd5c8e98e6d56afb8e01ab Merge pull request #3805 from yebblies/issue12164 -- | |||
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