113 	/* Per frame, per instruction masks, frames allocated lazily. */
299 /* Accumulate may_read masks for @frame at @insn_idx */
303 	struct per_frame_masks *masks;  in mark_stack_read()  local
306 	masks = alloc_frame_masks(env, instance, frame, insn_idx);  in mark_stack_read()
307 	if (IS_ERR(masks))  in mark_stack_read()
308 		return PTR_ERR(masks);  in mark_stack_read()
309 	new_may_read = masks->may_read | mask;  in mark_stack_read()
310 	if (new_may_read != masks->may_read &&  in mark_stack_read()
311 	    ((new_may_read | masks->live_before) != masks->live_before))  in mark_stack_read()
313 	masks->may_read |= mask;  in mark_stack_read()
360 	struct per_frame_masks *masks;  in commit_stack_write_marks()  local
370 		/* avoid allocating frames for zero masks */  in commit_stack_write_marks()
373 		masks = alloc_frame_masks(env, instance, frame, liveness->write_insn_idx);  in commit_stack_write_marks()
374 		if (IS_ERR(masks))  in commit_stack_write_marks()
375 			return PTR_ERR(masks);  in commit_stack_write_marks()
376 		old_must_write = masks->must_write;  in commit_stack_write_marks()
384 			masks->must_write = mask;  in commit_stack_write_marks()
683 	struct per_frame_masks *masks;  in is_live_before()  local
685 	masks = get_frame_masks(instance, frameno, insn_idx);  in is_live_before()
686 	return masks && (masks->live_before & BIT(spi));  in is_live_before()