* config/rs6000/rs6000.c (rs6000_stack_info): Don't compare against

[pf3gnuchains/gcc-fork.git] / gcc / config / rs6000 / rs6000.c

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index b1efc0d..4657ed3 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -1082,7 +1082,6 @@ static bool rs6000_handle_option (struct gcc_options *, struct gcc_options *,
                                  const struct cl_decoded_option *,
                                  location_t);
 static int rs6000_loop_align_max_skip (rtx);
-static void rs6000_parse_yes_no_option (const char *, const char *, int *);
 static int first_altivec_reg_to_save (void);
 static unsigned int compute_vrsave_mask (void);
 static void compute_save_world_info (rs6000_stack_t *info_ptr);
@@ -1208,8 +1207,6 @@ static reg_class_t rs6000_secondary_reload (bool, rtx, reg_class_t,
                                            enum machine_mode,
                                            struct secondary_reload_info *);
 
-static const reg_class_t *rs6000_ira_cover_classes (void);
-
 const int INSN_NOT_AVAILABLE = -1;
 static enum machine_mode rs6000_eh_return_filter_mode (void);
 static bool rs6000_can_eliminate (const int, const int);
@@ -1636,9 +1633,6 @@ static const struct default_options rs6000_option_optimization_table[] =
 #undef TARGET_SECONDARY_RELOAD
 #define TARGET_SECONDARY_RELOAD rs6000_secondary_reload
 
-#undef TARGET_IRA_COVER_CLASSES
-#define TARGET_IRA_COVER_CLASSES rs6000_ira_cover_classes
-
 #undef TARGET_LEGITIMATE_ADDRESS_P
 #define TARGET_LEGITIMATE_ADDRESS_P rs6000_legitimate_address_p
 
@@ -3825,24 +3819,6 @@ rs6000_preferred_simd_mode (enum machine_mode mode)
   return word_mode;
 }
 
-/* Handle generic options of the form -mfoo=yes/no.
-   NAME is the option name.
-   VALUE is the option value.
-   FLAG is the pointer to the flag where to store a 1 or 0, depending on
-   whether the option value is 'yes' or 'no' respectively.  */
-static void
-rs6000_parse_yes_no_option (const char *name, const char *value, int *flag)
-{
-  if (value == 0)
-    return;
-  else if (!strcmp (value, "yes"))
-    *flag = 1;
-  else if (!strcmp (value, "no"))
-    *flag = 0;
-  else
-    error ("unknown -m%s= option specified: '%s'", name, value);
-}
-
 /* Implement TARGET_OPTION_INIT_STRUCT.  */
 
 static void
@@ -4216,7 +4192,6 @@ rs6000_handle_option (struct gcc_options *opts, struct gcc_options *opts_set,
                      location_t loc ATTRIBUTE_UNUSED)
 {
   enum fpu_type_t fpu_type = FPU_NONE;
-  int isel;
   char *p, *q;
   size_t code = decoded->opt_index;
   const char *arg = decoded->arg;
@@ -4342,31 +4317,11 @@ rs6000_handle_option (struct gcc_options *opts, struct gcc_options *opts_set,
       TARGET_ALTIVEC_VRSAVE = value;
       break;
 
-    case OPT_mvrsave_:
-      rs6000_explicit_options.vrsave = true;
-      rs6000_parse_yes_no_option ("vrsave", arg, &(TARGET_ALTIVEC_VRSAVE));
-      break;
-
-    case OPT_misel_:
-      target_flags_explicit |= MASK_ISEL;
-      isel = 0;
-      rs6000_parse_yes_no_option ("isel", arg, &isel);
-      if (isel)
-       target_flags |= MASK_ISEL;
-      else
-       target_flags &= ~MASK_ISEL;
-      break;
-
     case OPT_mspe:
       rs6000_explicit_options.spe = true;
       rs6000_spe = value;
       break;
 
-    case OPT_mspe_:
-      rs6000_explicit_options.spe = true;
-      rs6000_parse_yes_no_option ("spe", arg, &(rs6000_spe));
-      break;
-
     case OPT_mdebug_:
       p = ASTRDUP (arg);
       rs6000_debug = 0;
@@ -15288,26 +15243,6 @@ rs6000_secondary_reload_ppc64 (rtx reg, rtx mem, rtx scratch, bool store_p)
   return;
 }
 
-/* Target hook to return the cover classes for Integrated Register Allocator.
-   Cover classes is a set of non-intersected register classes covering all hard
-   registers used for register allocation purpose.  Any move between two
-   registers of a cover class should be cheaper than load or store of the
-   registers.  The value is array of register classes with LIM_REG_CLASSES used
-   as the end marker.
-
-   We need two IRA_COVER_CLASSES, one for pre-VSX, and the other for VSX to
-   account for the Altivec and Floating registers being subsets of the VSX
-   register set under VSX, but distinct register sets on pre-VSX machines.  */
-
-static const reg_class_t *
-rs6000_ira_cover_classes (void)
-{
-  static const reg_class_t cover_pre_vsx[] = IRA_COVER_CLASSES_PRE_VSX;
-  static const reg_class_t cover_vsx[]     = IRA_COVER_CLASSES_VSX;
-
-  return (TARGET_VSX) ? cover_vsx : cover_pre_vsx;
-}
-
 /* Allocate a 64-bit stack slot to be used for copying SDmode
    values through if this function has any SDmode references.  */
 
@@ -18839,9 +18774,6 @@ rs6000_savres_strategy (rs6000_stack_t *info,
 static rs6000_stack_t *
 rs6000_stack_info (void)
 {
-#ifdef ENABLE_CHECKING
-  static rs6000_stack_t info_save;
-#endif
   rs6000_stack_t *info_ptr = &stack_info;
   int reg_size = TARGET_32BIT ? 4 : 8;
   int ehrd_size;
@@ -18850,14 +18782,10 @@ rs6000_stack_info (void)
   HOST_WIDE_INT non_fixed_size;
   bool using_static_chain_p;
 
-#ifdef ENABLE_CHECKING
-  memcpy (&info_save, &stack_info, sizeof stack_info);
-#else
   if (reload_completed && info_ptr->reload_completed)
     return info_ptr;
-#endif
 
-  memset (&stack_info, 0, sizeof (stack_info));
+  memset (info_ptr, 0, sizeof (*info_ptr));
   info_ptr->reload_completed = reload_completed;
 
   if (TARGET_SPE)
@@ -19161,10 +19089,6 @@ rs6000_stack_info (void)
   if (! info_ptr->cr_save_p)
     info_ptr->cr_save_offset = 0;
 
-#ifdef ENABLE_CHECKING
-  gcc_assert (!(reload_completed && info_save.reload_completed)
-             || memcmp (&info_save, &stack_info, sizeof stack_info) == 0);
-#endif
   return info_ptr;
 }