r193503 - in /trunk/gcc: ChangeLog config/i386/...

Wed Nov 14 16:47:00 GMT 2012

Author: uros
Date: Wed Nov 14 16:47:29 2012
New Revision: 193503

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193503
Log:
	PR target/47440
	* config/i386/i386.c (gate_insert_vzeroupper): New function.
	(rest_of_handle_insert_vzeroupper): Ditto.
	(struct rtl_opt_pass pass_insert_vzeroupper): New.
	(ix86_option_override): Register vzeroupper insertion pass here.
	(ix86_check_avx256_register): Handle SUBREGs properly.
	(ix86_init_machine_status): Remove optimize_mode_switching[AVX_U128]
	initialization.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c