[trunk] Mini merge from lto branch: Add TDF_VERBOSE (5/5)

[Diego Novillo]

This adds a new TDF_VERBOSE flag to request GIMPLE dumps using the 
dump_node format instead of the regular C-like syntax.

Bootstrapped and tested on x86_64.  Applied to trunk.


Diego.


2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/invoke.text (-fdump-tree-*-verbose): New option.
	* tree-dump.c (dump_options): New verbose option.
	* tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
	Add verbose dump.
	* tree-pass.h (TDF_VERBOSE): New dump flag.
	* print-tree.c (print_node): Added code to be able to print
	PHI_NODES.
	(tree-flow.h): Added include.
	Makefile.in (print-tree.o):  Added TREE_FLOW_H.

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