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[PATCH, x86, libgomp, libitm]: Remove __PIC__ versions of syscall

Hello!

We can now use %ebx directly.  Also, fix function operand type to
match the operand type.

libgomp/ChangeLog:

2015-05-27  Uros Bizjak  <ubizjak@gmail.com>

    * config/linux/x86/futex.h (sys_futex0) [!__x86_64__]:
    Change operand "op" to long.
    [__PIC__]: Remove sys_futex0 function.

libitm/ChangeLog:

2015-05-27  Uros Bizjak  <ubizjak@gmail.com>

    * config/linux/x86/futex_bits.h (sys_futex0) [!__x86_64__]:
    Change operand "op" to long.
    [__PIC__]: Remove sys_futex0 function.

Tested on x86_64-linux-gnu {,-m32} and committed to mainline SVN.

Uros.

Attachment: f.diff.txt
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