[gcc r12-3029] Drop stabs from h8/300 and v850 ports

[gcc r12-3029] Drop stabs from h8/300 and v850 ports

[Jeff Law]

https://gcc.gnu.org/g:18e9e7db7afb8635316414b560c10852db13c4c1

commit r12-3029-g18e9e7db7afb8635316414b560c10852db13c4c1
Author: Jeff Law <jlaw@localhost.localdomain>
Date:   Thu Aug 19 14:15:03 2021 -0400

    Drop stabs from h8/300 and v850 ports
    
    gcc/
            * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
            (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
            * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.

Diff:
---
 gcc/config.gcc         | 12 ++++--------
 gcc/config/v850/v850.h |  3 ---
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/gcc/config.gcc b/gcc/config.gcc
index eb232df6df4..08e6c6779a5 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1677,11 +1677,11 @@ moxie-*-moxiebox*)
 	;;
 h8300-*-elf*)
 	tmake_file="h8300/t-h8300"
-	tm_file="h8300/h8300.h dbxelf.h elfos.h newlib-stdint.h h8300/elf.h"
+	tm_file="h8300/h8300.h elfos.h newlib-stdint.h h8300/elf.h"
 	;;
 h8300-*-linux*)
 	tmake_file="${tmake_file} h8300/t-h8300 h8300/t-linux"
-	tm_file="h8300/h8300.h dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h h8300/linux.h"
+	tm_file="h8300/h8300.h elfos.h gnu-user.h linux.h glibc-stdint.h h8300/linux.h"
 	;;
 hppa*64*-*-linux*)
 	target_cpu_default="MASK_PA_11|MASK_PA_20"
@@ -3473,7 +3473,7 @@ tilepro*-*-linux*)
 	;;
 v850-*-rtems*)
 	target_cpu_default="TARGET_CPU_generic"
-	tm_file="dbxelf.h elfos.h v850/v850.h"
+	tm_file="elfos.h v850/v850.h"
 	tm_file="${tm_file} v850/rtems.h rtems.h newlib-stdint.h"
 	tmake_file="${tmake_file} v850/t-v850"
 	tmake_file="${tmake_file} v850/t-rtems"
@@ -3502,11 +3502,7 @@ v850*-*-*)
 		target_cpu_default="TARGET_CPU_generic"
 		;;
 	esac
-	tm_file="dbxelf.h elfos.h newlib-stdint.h v850/v850.h"
-	if test x$stabs = xyes
-	then
-		tm_file="${tm_file} dbx.h"
-	fi
+	tm_file="elfos.h newlib-stdint.h v850/v850.h"
 	use_collect2=no
 	c_target_objs="v850-c.o"
 	cxx_target_objs="v850-c.o"
diff --git a/gcc/config/v850/v850.h b/gcc/config/v850/v850.h
index 386f9f59e0b..51622684622 100644
--- a/gcc/config/v850/v850.h
+++ b/gcc/config/v850/v850.h
@@ -694,9 +694,6 @@ typedef enum
   if ((LOG) != 0)			\
     fprintf (FILE, "\t.align %d\n", (LOG))
 
-/* We don't have to worry about dbx compatibility for the v850.  */
-#define DEFAULT_GDB_EXTENSIONS 1
-
 /* Use dwarf2 debugging info by default.  */
 #undef  PREFERRED_DEBUGGING_TYPE
 #define PREFERRED_DEBUGGING_TYPE   DWARF2_DEBUG