rs6000.c (rs6000_stack_info): Use if == 0 for sizes.

        * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
        (output_epilog): Use if != 0 for offset.
        (rs6000_fatal_bad_address): Prepare for Intl.
        * rs6000.h (rs6000_fatal_bad_address): Declare.
        * rs6000.md (movsfcc, movdfcc): Use else if.
        (elf_high): Use {liu|lis}.
        (elf_low): Use {cal|la}.  Remove %a template from old mnemonics.
        (movsi): Use rs6000_fatal_bad_address.

From-SVN: r21766

gcc/ChangeLog

+Sun Aug 16 13:52:00 1998  David Edelsohn  <edelsohn@mhpcc.edu>
+
+	* rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
+	(output_epilog): Use if != 0 for offset.
+	(rs6000_fatal_bad_address): Prepare for Intl.
+	* rs6000.h (rs6000_fatal_bad_address): Declare.
+	* rs6000.md (movsfcc, movdfcc): Use else if.
+	(elf_high): Use {liu|lis}.
+	(elf_low): Use {cal|la}.  Remove %a template from old mnemonics.
+	(movsi): Use rs6000_fatal_bad_address.
+	
 Sun Aug 16 01:53:21 1998  Richard Henderson  <rth@cygnus.com>
 
 	* reload.c (find_equiv_reg): Reject equivalences separated

gcc/config/rs6000/rs6000.c

@@ -3520,10 +3520,10 @@ rs6000_stack_info ()
     info_ptr->fpmem_offset = 0;  
 
   /* Zero offsets if we're not saving those registers */
-  if (!info_ptr->fp_size)
+  if (info_ptr->fp_size == 0)
     info_ptr->fp_save_offset = 0;
 
-  if (!info_ptr->gp_size)
+  if (info_ptr->gp_size == 0)
     info_ptr->gp_save_offset = 0;
 
   if (!info_ptr->lr_save_p)
@@ -4148,8 +4148,9 @@ output_epilog (file, size)
 		     + (regs_ever_live[71] != 0) * 0x10
 		     + (regs_ever_live[72] != 0) * 0x8, reg_names[12]);
 
-      /* If this is V.4, unwind the stack pointer after all of the loads have been done */
-      if (sp_offset)
+      /* If this is V.4, unwind the stack pointer after all of the loads
+	 have been done */
+      if (sp_offset != 0)
 	asm_fprintf (file, "\t{cal|la} %s,%d(%s)\n",
 		     reg_names[1], sp_offset, reg_names[1]);
       else if (sp_reg != 1)
@@ -5285,3 +5286,10 @@ rs6000_encode_section_info (decl)
 }
 
 #endif /* USING_SVR4_H */
+
+void
+rs6000_fatal_bad_address (op)
+  rtx op;
+{
+  fatal_insn ("bad address", op);
+}

gcc/config/rs6000/rs6000.h

@@ -3260,6 +3260,7 @@ extern struct rtx_def *rs6000_longcall_ref ();
 extern int function_arg_padding ();
 extern void toc_section ();
 extern void private_data_section ();
+extern void rs6000_fatal_bad_address ();
 
 /* See nonlocal_goto_receiver for when this must be set.  */
 

gcc/config/rs6000/rs6000.md

@@ -3312,7 +3312,7 @@
 	  emit_insn (gen_negdf2 (temp, temp));
 	  emit_insn (gen_fseldfsf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      if (code == NE)
+      else if (code == NE)
 	{
 	  emit_insn (gen_negdf2 (temp, temp));
 	  emit_insn (gen_fseldfsf4 (operands[0], temp, operands[3], operands[0]));
@@ -3328,7 +3328,7 @@
 	  emit_insn (gen_negsf2 (temp, temp));
 	  emit_insn (gen_fselsfsf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      if (code == NE)
+      else if (code == NE)
 	{
 	  emit_insn (gen_negsf2 (temp, temp));
 	  emit_insn (gen_fselsfsf4 (operands[0], temp, operands[3], operands[0]));
@@ -3559,7 +3559,7 @@
 	  emit_insn (gen_negdf2 (temp, temp));
 	  emit_insn (gen_fseldfdf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      if (code == NE)
+      else if (code == NE)
 	{
 	  emit_insn (gen_negdf2 (temp, temp));
 	  emit_insn (gen_fseldfdf4 (operands[0], temp, operands[3], operands[0]));
@@ -3575,7 +3575,7 @@
 	  emit_insn (gen_negsf2 (temp, temp));
 	  emit_insn (gen_fselsfdf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      if (code == NE)
+      else if (code == NE)
 	{
 	  emit_insn (gen_negsf2 (temp, temp));
 	  emit_insn (gen_fselsfdf4 (operands[0], temp, operands[3], operands[0]));
@@ -5302,14 +5302,14 @@
   [(set (match_operand:SI 0 "register_operand" "=b")
 	(high:SI (match_operand 1 "" "")))]
   "TARGET_ELF && !TARGET_64BIT"
-  "{cau|addis} %0,0,%1@ha")
+  "{liu|lis} %0,%1@ha")
 
 (define_insn "elf_low"
   [(set (match_operand:SI 0 "register_operand" "=r")
 	(lo_sum:SI (match_operand:SI 1 "register_operand" "b")
 		   (match_operand 2 "" "")))]
    "TARGET_ELF && !TARGET_64BIT"
-   "{cal %0,%a2@l(%1)|addi %0,%1,%2@l}")
+   "{cal|la} %0,%2@l(%1)")
 
 ;; Set up a register with a value from the GOT table
 
@@ -5464,7 +5464,7 @@
 	  DONE;
 	}
       else
-	fatal_insn (\"bad address\", operands[1]);
+	rs6000_fatal_bad_address (operands[1]);
     }
 
   if ((!TARGET_WINDOWS_NT || DEFAULT_ABI != ABI_NT)
@@ -5954,7 +5954,7 @@
   switch (which_alternative)
     {
     default:
-      abort();
+      abort ();
     case 0:
       /* We normally copy the low-numbered register first.  However, if
 	 the first register operand 0 is the same as the second register of
@@ -6001,7 +6001,7 @@
   switch (which_alternative)
     {
     default:
-      abort();
+      abort ();
     case 0:
       /* We normally copy the low-numbered register first.  However, if
 	 the first register operand 0 is the same as the second register of
@@ -6145,7 +6145,7 @@
   switch (which_alternative)
     {
     default:
-      abort();
+      abort ();
     case 0:
       /* We normally copy the low-numbered register first.  However, if
 	 the first register operand 0 is the same as the second register of
@@ -6514,7 +6514,7 @@
   switch (which_alternative)
     {
     default:
-      abort();
+      abort ();
     case 0:
       /* We normally copy the low-numbered register first.  However, if
 	 the first register operand 0 is the same as the second register of