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[ping] Re: [patch, arm] align saved FP regs on stack


On 11/14/2014 05:46 PM, Sandra Loosemore wrote:

2014-11-14  Sandra Loosemore  <sandra@codesourcery.com>
	    Joshua Conner  <jconner@nvidia.com>
	    Chris Jones  <chrisj@nvidia.com>

	gcc/
	* doc/invoke.texi (Option Summary): Add -malign-saved-fp-regs.
	(ARM options): Document it.
	* config/arm/arm.h (arm_stack_offsets): Add fp_regs_padding field.
	* config/arm/arm.opt (malign-saved-fp-regs): New option.
	* config/arm/arm.c (add_dummy_register_save_p): New function,
	split from...
	(arm_get_frame_offsets): Here.  Use this logic also for aligning
	saved VFP coprocessor registers if possible.
	(arm_expand_prologue): Add explicit padding for saved VFP registers.
	(arm_expand_epilogue): Undo explicit padding for saved VFP registers.

Ping?

https://gcc.gnu.org/ml/gcc-patches/2014-11/msg01914.html

-Sandra


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