r125482 - in /trunk/gcc: ChangeLog optabs.c tes...

[uros@gcc.gnu.org]

Author: uros
Date: Wed Jun  6 12:12:32 2007
New Revision: 125482

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125482
Log:
	PR tree-optimization/32216
	* tree-vectorizer.c (supportable_widening_operation): Determine
	signedness of FIX_TRUNC_EXPR from output operand.
	(supportable_narrowing_operation): Ditto.
	* tree-vect-generic.c (expand_vector_operations_1): Determine
	signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
	from input operand.

testsuite/ChangeLog:
	
	PR tree-optimization/32216
	* gcc.dg/vect/pr32216.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr32216.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/optabs.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-generic.c
    trunk/gcc/tree-vectorizer.c