[Bug middle-end/53623] [4.7/4.8 Regression] sign extension is effectively split into two x86-64 instructions

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53623

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
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             Status|REOPENED                    |NEW

--- Comment #15 from H.J. Lu <hjl.tools at gmail dot com> ---
A patch for 4.8 branch is posted at

https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00923.html