arm.c (thumb_compute_saved_rag_mask): Or with bitmask, not register number.

	* config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
	not register number.
	(thumb_find_work_register): Search full register range.

From-SVN: r88399

gcc/ChangeLog

+2004-01-01  Paul Brook  <paul@codesourcery.com>
+
+	* config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
+	not register number.
+	(thumb_find_work_register): Search full register range.
+
 2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR tree-opt/17343

gcc/config/arm/arm.c

@@ -3018,7 +3018,7 @@ thumb_find_work_register (int live_regs_mask)
     return LAST_ARG_REGNUM;
 
   /* Look for a pushed register.  */
-  for (reg = 0; reg < LAST_LO_REGNUM; reg++)
+  for (reg = LAST_LO_REGNUM; reg >=0; reg--)
     if (live_regs_mask & (1 << reg))
       return reg;
 
@@ -8733,7 +8733,7 @@ thumb_compute_save_reg_mask (void)
     }
 
   if (flag_pic && !TARGET_SINGLE_PIC_BASE)
-    mask |= PIC_OFFSET_TABLE_REGNUM;
+    mask |= (1 << PIC_OFFSET_TABLE_REGNUM);
   if (TARGET_SINGLE_PIC_BASE)
     mask &= ~(1 << arm_pic_register);