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Re: patch: pre-compute HARD_REGNO_MODE_OK on ppc


	* config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
	Declare.

	* config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): New.
	(rs6000_hard_regno_mode_ok): New.
	(rs6000_init_hard_regno_mode_ok): New.
	(rs6000_override_options): Call rs6000_init_hard_regno_mode_ok.

	* config/rs6000/rs6000.h (HARD_REGNO_NREGS): Use precomputed
	result.

Okay, with comment fixes.

Thanks, David


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