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Commit c4e87a13 authored by Jakub Jelinek's avatar Jakub Jelinek Committed by Jakub Jelinek
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re PR tree-optimization/57741 (ICE in tree.c:build_int_cst_wide starting in revision 200394) 

	PR tree-optimization/57741
	* tree-vect-loop.c (vect_is_simple_iv_evolution): Disallow
	non-INTEGRAL_TYPE_P non-SCALAR_FLOAT_TYPE_P SSA_NAME step_exprs,
	or SCALAR_FLOAT_TYPE_P SSA_NAMEs if !flag_associative_math.
	Allow REAL_CST step_exprs if flag_associative_math.
	(get_initial_def_for_induction): Handle SCALAR_FLOAT_TYPE_P step_expr.

	* gcc.dg/vect/pr57741-1.c: New test.
	* gcc.dg/vect/pr57741-2.c: New test.
	* gcc.dg/vect/pr57741-3.c: New test.

From-SVN: r200600
parent f8411fcc
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