2014-04-14  Richard Biener  <rguenther@suse.de>

	* tree-switch-conversion.c (lshift_cheap_p): Get speed_p
	as argument.
	(expand_switch_using_bit_tests_p): Likewise.
	(process_switch): Compute and pass on speed_p based on the
	switch stmt.
	* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Use
	optimize_bb_for_speed_p.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@209364 138bc75d-0d04-0410-961f-82ee72b054a4
2014-04-14  Richard Biener  <rguenther@suse.de>
	Marc Glisse  <marc.glisse@inria.fr>

	PR c/60819
	c-family/
	* c-common.c (convert_vector_to_pointer_for_subscript): Properly
	apply may-alias the scalar pointer type when applicable.

	* gcc.target/i386/vec-may_alias.c: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@209365 138bc75d-0d04-0410-961f-82ee72b054a4