*** empty log message ***

From-SVN: r1045

gcc/config/rs6000/rs6000.c

@@ -1406,7 +1406,7 @@ output_epilog (file, size)
        from the function start.  */
     if (*fname == '*')
       ++fname;
-    fprintf (file, "L..tbtab_");
+    fprintf (file, "LT..");
     ASM_OUTPUT_LABEL (file, fname);
 
     /* The .tbtab psuedo-op can only be used for the first eight
@@ -1534,7 +1534,7 @@ output_epilog (file, size)
       fprintf (file, "\t.long %d\n", parm_info);
 
     /* Offset from start of code to tb table.  */
-    fprintf (file, "\t.long L..tbtab_");
+    fprintf (file, "\t.long LT..");
     RS6000_OUTPUT_BASENAME (file, fname);
     fprintf (file, "-.");
     RS6000_OUTPUT_BASENAME (file, fname);
@@ -1621,9 +1621,9 @@ output_toc (file, x, labelno)
   RS6000_OUTPUT_BASENAME (file, name);
 
   if (offset < 0)
-    fprintf (file, "P.N.%d", - offset);
+    fprintf (file, ".N%d", - offset);
   else if (offset)
-    fprintf (file, ".P.%d", offset);
+    fprintf (file, ".P%d", offset);
 
   fprintf (file, "[TC],");
   output_addr_const (file, x);
@@ -1766,7 +1766,7 @@ output_function_profiler (file, labelno)
 
   /* Set up a TOC entry for the profiler label.  */
   toc_section ();
-  fprintf (file, "LPTOC..%d:\n\t.tc\tLP..%d[TC], LP..%d\n",
+  fprintf (file, "LPC..%d:\n\t.tc\tLP..%d[TC],LP..%d\n",
 	   labelno, labelno, labelno);
   text_section ();
 
@@ -1787,7 +1787,7 @@ output_function_profiler (file, labelno)
 
   /* Load location address into r3, and call mcount.  */
 
-  fprintf (file, "\tl 3,LPTOC..%d(2)\n\tbl .mcount\n", labelno);
+  fprintf (file, "\tl 3,LPC..%d(2)\n\tbl .mcount\n", labelno);
 
   /* Restore parameter registers.  */
 

gcc/config/rs6000/rs6000.h

@@ -1437,18 +1437,7 @@ toc_section ()						\
   RS6000_OUTPUT_BASENAME (FILE, NAME);				\
   fprintf (FILE, ":\n");					\
   if (write_symbols == XCOFF_DEBUG)				\
-    {								\
-      dbxout_symbol (DECL, 0);					\
-      fprintf (FILE, "\t.function .");				\
-      RS6000_OUTPUT_BASENAME (FILE, NAME);			\
-      fprintf (FILE, ",.");					\
-      RS6000_OUTPUT_BASENAME (FILE, NAME);			\
-      fprintf (FILE, ",16,044,L..end_");			\
-      RS6000_OUTPUT_BASENAME (FILE, NAME);			\
-      fprintf (FILE, "-.");					\
-      RS6000_OUTPUT_BASENAME (FILE, NAME);			\
-      fprintf (FILE, "\n");					\
-    }								\
+    xcoffout_declare_function (FILE, DECL, NAME);		\
 }
 
 /* Return non-zero if this entry is to be written into the constant pool

gcc/cse.c

@@ -6112,11 +6112,16 @@ cse_insn (insn, in_libcall_block)
 	  sets[i].rtl = 0;
 	}
 
-      /* No further processing for this assignment if destination
-	 is volatile.  */
+      /* If destination is volatile, invalidate it and then do no further
+	 processing for this assignment.  */
 
       else if (do_not_record)
-	sets[i].rtl = 0;
+	{
+	  if (GET_CODE (dest) == REG || GET_CODE (dest) == SUBREG
+	      || GET_CODE (dest) == MEM)
+	    invalidate (dest);
+	  sets[i].rtl = 0;
+	}
 
       if (sets[i].rtl != 0 && dest != SET_DEST (sets[i].rtl))
 	sets[i].dest_hash_code = HASH (SET_DEST (sets[i].rtl), mode);

gcc/expmed.c

@@ -2254,6 +2254,14 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
       op1 = convert_to_mode (compute_mode, op1, unsignedp);
     }
 
+  /* If we are computing the remainder and one of the operands is a volatile
+     MEM, copy it into a register.  */
+
+  if (rem_flag && GET_CODE (op0) == MEM && MEM_VOLATILE_P (op0))
+    adjusted_op0 = op0 = force_reg (compute_mode, op0), can_clobber_op0 = 1;
+  if (rem_flag && GET_CODE (op1) == MEM && MEM_VOLATILE_P (op1))
+    op1 = force_reg (compute_mode, op1);
+
   if (target == 0 || GET_MODE (target) != compute_mode)
     target = gen_reg_rtx (compute_mode);
 

gcc/xcoffout.c

@@ -399,6 +399,33 @@ xcoffout_end_block (file, line, n)
   ASM_OUTPUT_LBE (file, line, n);
 }
 
+/* Called at beginning of function (before prologue).
+   Declare function as needed for debugging.  */
+
+void
+xcoffout_declare_function (file, decl, name)
+     FILE *file;
+     tree decl;
+     char *name;
+{
+  char *n = name;
+  int i;
+
+  for (i = 0; name[i]; ++i)
+    {
+      if (name[i] == '[')
+	{
+	  n = alloca (i + 1);
+	  strncpy (n, name, i);
+	  n[i] = '\0';
+	  break;
+	}
+    }
+
+  dbxout_symbol (decl, 0);
+  fprintf (file, "\t.function .%s,.%s,16,044,FE..%s-.%s\n", n, n, n, n);
+}
+
 /* Called at beginning of function body (after prologue).
    Record the function's starting line number, so we can output
    relative line numbers for the other lines.
@@ -438,7 +465,7 @@ xcoffout_end_epilogue (file)
   char *fname = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0);
   if (*fname == '*')
     ++fname;
-  fprintf (file, "L..end_");
+  fprintf (file, "FE..");
   ASM_OUTPUT_LABEL (file, fname);
 }
 #endif /* XCOFF_DEBUGGING_INFO */