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[Bug ld/19609] Load weak undefined symbol and defined symbol in non-PIC


From: hjl.tools at gmail dot com
Subject: [Bug ld/19609] Load weak undefined symbol and defined symbol in non-PIC link aren't optimized
Date: Fri, 12 Feb 2016 14:52:16 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=19609

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Load weak undefined symbol  |Load weak undefined symbol
                   |isn't optimized             |and defined symbol in
                   |                            |non-PIC link aren't
                   |                            |optimized

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
We should also convert

mov     address@hidden(%rip), %rcx

to

mov     $bar, %ecx

if bar is defined below 4GB for non-PIC link.

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