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Commit ff27462e authored by Eric Botcazou's avatar Eric Botcazou Committed by Eric Botcazou
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cfgloop.h (struct loop): Document usage of USHRT_MAX for unroll. 

	* cfgloop.h (struct loop): Document usage of USHRT_MAX for unroll.
	* loop-unroll.c (decide_unroll_constant_iterations): Implement it.
	(decide_unroll_runtime_iterations): Likewise.
	(decide_unroll_stupid): Likewise.

From-SVN: r255165
parent 39335d14
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