revert: re PR rtl-optimization/63620 (RELOAD lost SET_GOT dependency on Darwin)

revert: re PR rtl-optimization/63620 (RELOAD lost SET_GOT dependency on Darwin)

2014-11-11  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2014-10-31  Uros Bizjak  <ubizjak@gmail.com>

	PR target/63620
	* config/i386/i386-protos.h (ix86_use_pseudo_pic_reg): Declare.
	* config/i386/i386.c (ix86_use_pseudo_pic_reg): Export.
	* config/i386/i386.md (*pushtf): Allow only CONST_DOUBLEs that won't
	be reloaded through memory.
	(*pushxf): Ditto.
	(*pushdf): Ditto.

testsuite/ChangeLog:

2014-11-11  Uros Bizjak  <ubizjak@gmail.com>
	    Ilya Enkovich  <ilya.enkovich@intel.com>

	PR target/63620
	* gcc.target/i386/pr63620.c: New test.

Co-Authored-By: Ilya Enkovich <ilya.enkovich@intel.com>
From-SVN: r217325