More mips gas changes, allow -gdwarf on OSF/1

From-SVN: r4027

gcc/config/i386/osfrose.h

@@ -49,6 +49,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
      { "no-half-pic",	-MASK_HALF_PIC},				\
      { "debugb",	 MASK_HALF_PIC_DEBUG},
 
+/* OSF/rose uses stabs, not dwarf.  */
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#ifndef DWARF_DEBUGGING_INFO
+#define DWARF_DEBUGGING_INFO	/* enable dwarf debugging for testing */
+#endif
+
 /* Prefix that appears before all global/static identifiers, except for
    temporary labels.  */
 

gcc/config/mips/mips.c

@@ -2764,11 +2764,7 @@ override_options ()
   register int regno;
   register enum machine_mode mode;
 
-  if (g_switch_set)
-    mips_section_threshold = g_switch_value;
-
-  else
-    mips_section_threshold = (TARGET_MIPS_AS) ? 8 : 0;
+  mips_section_threshold = (g_switch_set) ? g_switch_value : MIPS_DEFAULT_GVALUE;
 
   /* Identify the processor type */
   if (mips_cpu_string == (char *)0

gcc/config/mips/mips.h

@@ -645,7 +645,7 @@ while (0)
 
 /* Print subsidiary information on the compiler version in use.  */
 
-#define MIPS_VERSION "[AL 1.1, MM 37]"
+#define MIPS_VERSION "[AL 1.1, MM 38]"
 
 #ifndef MACHINE_TYPE
 #define MACHINE_TYPE "BSD Mips"
@@ -720,7 +720,8 @@ do {							\
 #define PUT_SDB_DEF(a)					\
 do {							\
   extern FILE *asm_out_text_file;			\
-  fprintf (asm_out_text_file, "\t#.def\t");		\
+  fprintf (asm_out_text_file, "\t%s.def\t",		\
+	   (TARGET_GAS) ? "" : "#");			\
   ASM_OUTPUT_LABELREF (asm_out_text_file, a); 		\
   fputc (';', asm_out_text_file);			\
 } while (0)
@@ -728,7 +729,8 @@ do {							\
 #define PUT_SDB_PLAIN_DEF(a)				\
 do {							\
   extern FILE *asm_out_text_file;			\
-  fprintf (asm_out_text_file, "\t#.def\t.%s;", (a));	\
+  fprintf (asm_out_text_file, "\t%s.def\t.%s;",		\
+	   (TARGET_GAS) ? "" : "#", (a));		\
 } while (0)
 
 #define PUT_SDB_ENDEF					\
@@ -796,8 +798,9 @@ do {							\
 do {							\
   extern FILE *asm_out_text_file;			\
   fprintf (asm_out_text_file,				\
-	   "$Lb%d:\n\t#.begin\t$Lb%d\t%d\n",		\
+	   "$Lb%d:\n\t%s.begin\t$Lb%d\t%d\n",		\
 	   sdb_label_count,				\
+	   (TARGET_GAS) ? "" : "#",			\
 	   sdb_label_count,				\
 	   (LINE));					\
   sdb_label_count++;					\
@@ -807,8 +810,9 @@ do {							\
 do {							\
   extern FILE *asm_out_text_file;			\
   fprintf (asm_out_text_file,				\
-	   "$Le%d:\n\t#.bend\t$Le%d\t%d\n",		\
+	   "$Le%d:\n\t%s.bend\t$Le%d\t%d\n",		\
 	   sdb_label_count,				\
+	   (TARGET_GAS) ? "" : "#",			\
 	   sdb_label_count,				\
 	   (LINE));					\
   sdb_label_count++;					\
@@ -3368,6 +3372,10 @@ do {									\
   assemble_string (p, size);						\
 }
 
+/* Default to -G 8 */
+#ifndef MIPS_DEFAULT_GVALUE
+#define MIPS_DEFAULT_GVALUE 8
+#endif
 
 /* Define the strings to put out for each section in the object file.  */
 #define TEXT_SECTION_ASM_OP	"\t.text"	/* instructions */

gcc/config/mips/osfrose.h

@@ -126,19 +126,15 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define WCHAR_TYPE	"unsigned int"
 #define WCHAR_TYPE_SIZE BITS_PER_WORD
 
-#if 0
-#define WCHAR_TYPE	((TARGET_WC8)					\
-				? "unsigned char"			\
-				: ((TARGET_WC16)			\
-					? "short unsigned int"		\
-					: "long unsigned int"))
-#endif
-
+/* OSF/1 uses gas, not the mips assembler.  */
 #define TARGET_DEFAULT MASK_GAS
 
 /* OSF/rose uses stabs, not ECOFF.  */
 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
 
+/* enable dwarf debugging for testing */
+#define DWARF_DEBUGGING_INFO
+
 /* Tell collect that the object format is OSF/rose.  */
 #define OBJECT_FORMAT_ROSE
 
@@ -147,6 +143,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define REAL_NM_FILE_NAME	"/usr/ccs/bin/nm"
 #define REAL_STRIP_FILE_NAME	"/usr/ccs/bin/strip"
 
+/* Default to -G 0 unless doing ecoff work.  */
+#define MIPS_DEFAULT_GVALUE ((TARGET_MIPS_AS) ? 8 : 0)
+
 /* Use atexit for static constructors/destructors, instead of defining
    our own exit function.  */
 #define HAVE_ATEXIT