* loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
of the movable.
* toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
* i386-protos.h (ix86_split_fp_branch): Update prototype.
(ix86_fp_jump_nontrivial_p): New.
* i386.md (fp_jcc_?): Update call of split_fp_branch;
use ix86_fp_jump_nontrivial_p.
* i386.c (ix86_fp_jump_nontrivial_p): New.
(ix86_split_fp_branch): Accept code instead of rtx.
(ix86_expand_compare): Expand comparison early in case
doing so is resonably cheap.
From-SVN: r44019
