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Re: [PATCH] Optimize out unnecessary __builtin_stack_{save,restore}s (PR middle-end/23848)


Jakub Jelinek wrote:

2007-11-05 Jakub Jelinek <jakub@redhat.com>

	PR middle-end/23848
	* tree-ssa-ccp.c (optimize_stack_restore): New function.
	(execute_fold_all_builtins): Call optimize_stack_restore for
	BUILT_IN_STACK_RESTORE.

	* gcc.dg/tree-ssa/pr23848-1.c: New test.
	* gcc.dg/tree-ssa/pr23848-2.c: New test.
	* gcc.dg/tree-ssa/pr23848-3.c: New test.
	* gcc.dg/tree-ssa/pr23848-4.c: New test.

OK.



Diego.



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