re PR target/23250 (4.0.1 switch -mcallee-super-interworking generating wrong code for ARM7TDMI)

	PR target/23250
	* arm.c (arm_override_options): If the user has selected callee-super-
	interworking, then enable normal interworking.

From-SVN: r102993

gcc/ChangeLog

+2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+	PR target/23250
+	* arm.c (arm_override_options): If the user has selected callee-super-
+	interworking, then enable normal interworking.
+
 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before

gcc/config/arm/arm.c

@@ -1010,6 +1010,11 @@ arm_override_options (void)
       target_flags &= ~MASK_APCS_FRAME;
     }
 
+  /* Callee super interworking implies thumb interworking.  Adding
+     this to the flags here simplifies the logic elsewhere.  */
+  if (TARGET_THUMB && TARGET_CALLEE_INTERWORKING)
+      target_flags |= MASK_INTERWORK;
+
   /* TARGET_BACKTRACE calls leaf_function_p, which causes a crash if done
      from here where no function is being compiled currently.  */
   if ((TARGET_TPCS_FRAME || TARGET_TPCS_LEAF_FRAME) && TARGET_ARM)