sim: ppc: delete unused host bitsize settings

Nothing checks this define anywhere, so drop all the logic.  We don't
want this to be a configure option in the first place as all such usage
should be automatic & following proper types.

sim/ppc/configure

@@ -717,7 +717,6 @@ enable_sim_duplicate
 enable_sim_filter
 enable_sim_float
 enable_sim_hardware
-enable_sim_hostbitsize
 enable_sim_icache
 enable_sim_jump
 enable_sim_line_nr
@@ -1358,7 +1357,6 @@ Optional Features:
   --enable-sim-filter=rule		Specify filter rules.
   --enable-sim-float			Specify whether the target has hard, soft, altivec or e500 floating point.
   --enable-sim-hardware=list		Specify the hardware to be included in the build.
-  --enable-sim-hostbitsize=32|64	Specify host bitsize (32 or 64).
   --enable-sim-icache=size		Specify instruction-decode cache size and type.
   --enable-sim-jump		Jump between semantic code (instead of call/return).
   --enable-sim-line-nr=opts		Generate extra CPP code that references source rather than generated code
@@ -3346,19 +3344,6 @@ if test x"$silent" != x"yes"; then
 fi
 fi
 
-# Check whether --enable-sim-hostbitsize was given.
-if test "${enable_sim_hostbitsize+set}" = set; then :
-  enableval=$enable_sim_hostbitsize; case "${enableval}" in
-  32|64) sim_hostbitsize="-DWITH_HOST_WORD_BITSIZE=$enableval";;
-  *)	 as_fn_error $? "\"--enable-sim-hostbitsize was given $enableval.  Expected 32 or 64\"" "$LINENO" 5; sim_hostbitsize="";;
-esac
-if test x"$silent" != x"yes" && test x"$sim_hostbitsize" != x""; then
-  echo "Setting hostbitsize flags = $sim_hostbitsize" 6>&1
-fi
-else
-  sim_hostbitsize=""
-fi
-
 
 # Check whether --enable-sim-icache was given.
 if test "${enable_sim_icache+set}" = set; then :

sim/ppc/configure.ac

@@ -214,16 +214,6 @@ if test x"$silent" != x"yes"; then
   echo "Setting hardware to $sim_hw_src, $sim_hw_obj"
 fi])dnl
 
-AC_ARG_ENABLE(sim-hostbitsize,
-[  --enable-sim-hostbitsize=32|64	Specify host bitsize (32 or 64).],
-[case "${enableval}" in
-  32|64) sim_hostbitsize="-DWITH_HOST_WORD_BITSIZE=$enableval";;
-  *)	 AC_MSG_ERROR("--enable-sim-hostbitsize was given $enableval.  Expected 32 or 64"); sim_hostbitsize="";;
-esac
-if test x"$silent" != x"yes" && test x"$sim_hostbitsize" != x""; then
-  echo "Setting hostbitsize flags = $sim_hostbitsize" 6>&1
-fi],[sim_hostbitsize=""])dnl
-
 
 AC_ARG_ENABLE(sim-icache,
 [  --enable-sim-icache=size		Specify instruction-decode cache size and type.],

sim/ppc/options.c

@@ -114,7 +114,6 @@ print_options (void)
   printf_filtered ("WITH_TARGET_BYTE_ORDER   = %s\n", options_byte_order (WITH_TARGET_BYTE_ORDER));
   printf_filtered ("WITH_XOR_ENDIAN          = %d\n", WITH_XOR_ENDIAN);
   printf_filtered ("WITH_SMP                 = %d\n", WITH_SMP);
-  printf_filtered ("WITH_HOST_WORD_BITSIZE   = %d\n", WITH_HOST_WORD_BITSIZE);
   printf_filtered ("WITH_TARGET_WORD_BITSIZE = %d\n", WITH_TARGET_WORD_BITSIZE);
   printf_filtered ("WITH_ENVIRONMENT         = %s\n", options_env(WITH_ENVIRONMENT));
   printf_filtered ("WITH_EVENTS              = %d\n", WITH_EVENTS);

sim/ppc/std-config.h

@@ -79,9 +79,9 @@ extern enum bfd_endian current_target_byte_order;
 #endif
 
 
-/* Word size of host/target:
+/* Word size of target:
 
-   Set these according to your host and target requirements.  At this
+   Set these according to your target requirements.  At this
    point in time, I've only compiled (not run) for a 64bit and never
    built for a 64bit host.  This will always remain a compile time
    option */
@@ -90,10 +90,6 @@ extern enum bfd_endian current_target_byte_order;
 #define WITH_TARGET_WORD_BITSIZE        32 /* compiled only */
 #endif
 
-#ifndef WITH_HOST_WORD_BITSIZE
-#define WITH_HOST_WORD_BITSIZE		32 /* 64bit ready? */
-#endif
-
 
 /* Program environment: