* target.def (target_option.init_struct): New hook.

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / i386.c

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 91e3839..4536ef2 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -4537,11 +4537,6 @@ ix86_option_optimization (int level, int size ATTRIBUTE_UNUSED)
     flag_schedule_insns = 0;
 #endif
 
-  if (TARGET_MACHO)
-    /* The Darwin libraries never set errno, so we might as well
-       avoid calling them when that's the only reason we would.  */
-    flag_errno_math = 0;
-
   /* The default values of these switches depend on the TARGET_64BIT
      that is not known at this moment.  Mark these values with 2 and
      let user the to override these.  In case there is no command line
@@ -4554,14 +4549,26 @@ ix86_option_optimization (int level, int size ATTRIBUTE_UNUSED)
   if (level > 1)
     flag_zee = 2;
 
-  flag_pcc_struct_return = 2;
-  flag_asynchronous_unwind_tables = 2;
-  flag_vect_cost_model = 1;
 #ifdef SUBTARGET_OPTIMIZATION_OPTIONS
   SUBTARGET_OPTIMIZATION_OPTIONS;
 #endif
 }
 
+/* Implement TARGET_OPTION_INIT_STRUCT.  */
+
+static void
+ix86_option_init_struct (struct gcc_options *opts)
+{
+  if (TARGET_MACHO)
+    /* The Darwin libraries never set errno, so we might as well
+       avoid calling them when that's the only reason we would.  */
+    opts->x_flag_errno_math = 0;
+
+  opts->x_flag_pcc_struct_return = 2;
+  opts->x_flag_asynchronous_unwind_tables = 2;
+  opts->x_flag_vect_cost_model = 1;
+}
+
 /* Decide whether we must probe the stack before any space allocation
    on this target.  It's essentially TARGET_STACK_PROBE except when
    -fstack-check causes the stack to be already probed differently.  */
@@ -33269,6 +33276,8 @@ ix86_autovectorize_vector_sizes (void)
 #define TARGET_OPTION_OVERRIDE ix86_option_override
 #undef TARGET_OPTION_OPTIMIZATION
 #define TARGET_OPTION_OPTIMIZATION ix86_option_optimization
+#undef TARGET_OPTION_INIT_STRUCT
+#define TARGET_OPTION_INIT_STRUCT ix86_option_init_struct
 
 #undef TARGET_REGISTER_MOVE_COST
 #define TARGET_REGISTER_MOVE_COST ix86_register_move_cost