Richard Guenther 2f397a93c0 re PR tree-optimization/30038 (Call to sin(x), cos(x) should be transformed to sincos(x))
2007-01-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/30038
	* tree-ssa-math-opts.c (maybe_record_sincos): New static helper
	function.
	(execute_cse_sincos_1): Likewise.
	(execute_cse_sincos): Likewise.
	(gate_cse_sincos): Likewise.
	(pass_cse_sincos): New pass CSEing sin() and cos() calls using
	the cexpi() canonicalization of sincos().
	* tree-pass.h (pass_cse_sincos): Declare.
	* passes.c (init_optimization_passes): New pass pas_cse_sincos.

	* gcc.dg/builtins-62.c: New testcase.

From-SVN: r121052
2007-01-22 11:11:00 +00:00
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