pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired value of 4.

        * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
        value of 4.  Allocate 8 bytes for each FP register save.
        (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
        value of 4.
        (hppa_expand_prologue): Likewise.
        * pa.h (PROMOTE_MODE): Likewise.
        (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
        (FUNCTION_ARG_BOUNDARY): Likewise.

From-SVN: r28127

gcc/ChangeLog

 Fri Jul 16 13:48:09 1999  Jeffrey A Law  (law@cygnus.com)
 
+	* pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
+	value of 4.  Allocate 8 bytes for each FP register save.
+	(hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
+	value of 4.
+	(hppa_expand_prologue): Likewise.
+	* pa.h (PROMOTE_MODE): Likewise.
+	(HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
+	(FUNCTION_ARG_BOUNDARY): Likewise.
+
 	* invoke.texi (HPPA Options): Remove -mspace/-mno-space.
 
 	* pa.c (out_of_line_prologue_epilogue): Delete.

gcc/config/pa/pa.c

@@ -2559,7 +2559,7 @@ compute_frame_size (size, fregs_live)
   for (i = 18; i >= 3; i--)
     if (regs_ever_live[i])
       {
-	fsize += 4;
+	fsize += UNITS_PER_WORD;
 	break;
       }
 
@@ -2572,7 +2572,7 @@ compute_frame_size (size, fregs_live)
 	if (fregs_live)
 	  *fregs_live = 1;
 
-	fsize += 4;
+	fsize += 8;
 	break;
       }
 
@@ -2807,7 +2807,7 @@ hppa_expand_prologue()
 	if (regs_ever_live[i] && ! call_used_regs[i])
 	  {
 	    store_reg (i, offset, FRAME_POINTER_REGNUM);
-	    offset += 4;
+	    offset += UNITS_PER_WORD;
 	    gr_saved++;
 	  }
       /* Account for %r3 which is saved in a special place.  */
@@ -2830,7 +2830,7 @@ hppa_expand_prologue()
 	      }
 	    else
 	      store_reg (i, offset, STACK_POINTER_REGNUM);
-	    offset += 4;
+	    offset += UNITS_PER_WORD;
 	    gr_saved++;
 	  }
 
@@ -2958,7 +2958,7 @@ hppa_expand_epilogue ()
 	if (regs_ever_live[i] && ! call_used_regs[i])
 	  {
 	    load_reg (i, offset, FRAME_POINTER_REGNUM);
-	    offset += 4;
+	    offset += UNITS_PER_WORD;
 	  }
     }
   else
@@ -2976,7 +2976,7 @@ hppa_expand_epilogue ()
 	        merge_sp_adjust_with_load = i;
 	      else
 	        load_reg (i, offset, STACK_POINTER_REGNUM);
-	      offset += 4;
+	      offset += UNITS_PER_WORD;
 	    }
 	}
     }

gcc/config/pa/pa.h

@@ -319,7 +319,7 @@ int lhs_lshift_cint_operand ();
 
 #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE)  \
   if (GET_MODE_CLASS (MODE) == MODE_INT	\
-      && GET_MODE_SIZE (MODE) < 4)  	\
+      && GET_MODE_SIZE (MODE) < UNITS_PER_WORD)  	\
     (MODE) = SImode;
 
 /* Define this if most significant bit is lowest numbered
@@ -578,7 +578,7 @@ int lhs_lshift_cint_operand ();
    : !TARGET_PA_11 && FP_REGNO_P (REGNO)				\
      ? GET_MODE_SIZE (MODE) <= 4 || GET_MODE_CLASS (MODE) == MODE_FLOAT	\
    /* Make wide modes be in aligned registers. */			\
-   : GET_MODE_SIZE (MODE) <= 4 || ((REGNO) & 1) == 0)
+   : GET_MODE_SIZE (MODE) <= UNITS_PER_WORD || ((REGNO) & 1) == 0)
 
 /* Value is 1 if it is a good idea to tie two pseudo registers
    when one has mode MODE1 and one has mode MODE2.
@@ -938,7 +938,9 @@ struct hppa_args {int words, nargs_prototype, indirect; };
 /* Figure out the size in words of the function argument. */
 
 #define FUNCTION_ARG_SIZE(MODE, TYPE)	\
-  ((((MODE) != BLKmode ? GET_MODE_SIZE (MODE) : int_size_in_bytes (TYPE))+3)/4)
+  ((((MODE) != BLKmode \
+     ? GET_MODE_SIZE (MODE) \
+     : int_size_in_bytes (TYPE)) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
 
 /* Update the data in CUM to advance over an argument
    of mode MODE and data type TYPE.
@@ -1057,7 +1059,8 @@ struct hppa_args {int words, nargs_prototype, indirect; };
 
 #define FUNCTION_ARG_BOUNDARY(MODE, TYPE)				\
   (((TYPE) != 0)							\
-	? (((int_size_in_bytes (TYPE)) + 3) / 4) * BITS_PER_WORD	\
+	? (((int_size_in_bytes (TYPE)) + UNITS_PER_WORD - 1)		\
+	   / UNITS_PER_WORD) * BITS_PER_WORD				\
 	: ((GET_MODE_ALIGNMENT(MODE) <= PARM_BOUNDARY)			\
 		? PARM_BOUNDARY						\
 		: GET_MODE_ALIGNMENT(MODE)))