arm.c (thumb_force_lr_save): Add prototype.

	* arm.c (thumb_force_lr_save): Add prototype.
	(thumb_compute_save_reg_mask): New function.
	(thumb_find_work_register): New function.
	(arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
	(thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
	Don't clobber r3 when removing pretend args.
	(thumb_expand_prologue): Use thumb_compute_save_reg_mask.
	(thumb_output_function_prologue): Use new functions.
	(thumb_set_return_address): Use thumb_compute_save_reg_mask.
	* arm.h (THUMB_REG_PUSHED_P): Remove.

From-SVN: r85818

gcc/ChangeLog

+2004-08-11  Paul Brook  <paul@codesourcery.com>
+
+	* arm.c (thumb_force_lr_save): Add prototype.
+	(thumb_compute_save_reg_mask): New function.
+	(thumb_find_work_register): New function.
+	(arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
+	(thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
+	Don't clobber r3 when removing pretend args.
+	(thumb_expand_prologue): Use thumb_compute_save_reg_mask.
+	(thumb_output_function_prologue): Use new functions.
+	(thumb_set_return_address): Use thumb_compute_save_reg_mask.
+	* arm.h (THUMB_REG_PUSHED_P): Remove.
+
 2004-08-11  James E Wilson  <wilson@specifixinc.com>
 
 	PR rtl-optimization/16490

gcc/config/arm/arm.h

@@ -1857,12 +1857,6 @@ typedef struct
    ((TO) == THUMB_HARD_FRAME_POINTER_REGNUM && TARGET_ARM) ? 0 :	\
    1)
 
-#define THUMB_REG_PUSHED_P(reg)					\
-  (regs_ever_live [reg]						\
-   && (! call_used_regs [reg]					\
-       || (flag_pic && (reg) == PIC_OFFSET_TABLE_REGNUM))	\
-   && !(TARGET_SINGLE_PIC_BASE && ((reg) == arm_pic_register)))
-     
 /* Define the offset between two registers, one to be eliminated, and the
    other its replacement, at the start of a routine.  */
 #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET)			\