r212923 - in /trunk/gcc: ChangeLog combine.c do...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jul 23 09:10:37 2014
New Revision: 212923

URL: https://gcc.gnu.org/viewcvs?rev=212923&root=gcc&view=rev
Log:
2014-07-23  Richard Biener  <rguenther@suse.de>

	* params.def (PARAM_MAX_COMBINE_INSNS): New.
	* combine.c: Include statistics.h and params.h.
	(combine_instructions): Guard three and four insn combines
	with max-combine-insns value.  Record statistics for combines
	performed.
	* doc/invoke.texi (max-combine-insns): Document new param.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/params.def