gcse.c (one_cprop_pass): Change function arguments to take both cprop_jumps and bypas...

gcse.c (one_cprop_pass): Change function arguments to take both cprop_jumps and bypass_jumps flags...

	* gcse.c (one_cprop_pass): Change function arguments to take both
	cprop_jumps and bypass_jumps flags instead of just alter_jumps.
	(gcse_main): Update calls to one_cprop_pass, disabling bypassing.
	(bypass_jumps): New function to perform separate jump bypassing pass.
	* rtl.h (bypass_jumps): Add function prototype.
	* timevar.def (TV_BYPASS): New timing variable.
	* toplev.c (enum dump_file_index): Add new entry DFI_bypass.
	(dump_file): New entry for the bypass RTL dump file.
	(rest_of_compilation): Insert new jump bypassing optimization
	pass after loop.
	* doc/passes.texi: Document new pass.

From-SVN: r61374