r147607 - in /trunk/gcc: ChangeLog config/i386/...

[jakub@gcc.gnu.org]

Author: jakub
Date: Sat May 16 07:12:02 2009
New Revision: 147607

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147607
Log:
	PR target/39942
	* final.c (label_to_max_skip): New function.
	(label_to_alignment): Only use LABEL_TO_ALIGNMENT if
	CODE_LABEL_NUMBER <= max_labelno.
	* output.h (label_to_max_skip): New prototype.
	* config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
	(ix86_avoid_jump_mispredicts): ... this.  Don't define if
	ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
	Handle CODE_LABELs with >= 16 byte alignment or with
	max_skip == (1 << align) - 1.
	(ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
	ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/final.c
    trunk/gcc/output.h