(ASM_RETURN_CASE_JUMP): Use extl to explicitly sign extend index

[pf3gnuchains/gcc-fork.git] / gcc / config / m68k / linux.h

diff --git a/gcc/config/m68k/linux.h b/gcc/config/m68k/linux.h
index 5807597..10ef0e8 100644 (file)
--- a/gcc/config/m68k/linux.h
+++ b/gcc/config/m68k/linux.h
@@ -156,9 +156,13 @@ Boston, MA 02111-1307, USA.  */
 
 /* Use the default action for outputting the case label.  */
 #undef ASM_OUTPUT_CASE_LABEL
-
-#define ASM_RETURN_CASE_JUMP \
-  return "jmp (2,%%pc,%0.w)"
+#define ASM_RETURN_CASE_JUMP                   \
+  do {                                         \
+    if (TARGET_5200)                           \
+      return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
+    else                                       \
+      return "jmp %%pc@(2,%0:w)";              \
+  } while (0)
 
 /* This is how to output an assembler line that says to advance the
    location counter to a multiple of 2**LOG bytes.  */