basic-block.h (struct control_flow_graph): Move last_label_uid field up.

	* basic-block.h (struct control_flow_graph): Move last_label_uid field up.
	* df.h (struct df_base_ref): Move regno field up.
	* dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
	* expr.h (struct separate_ops): Move location field up.
	* optabs.h (struct optab_d): Move libcall_basename field down.
	* config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
	* config/i386/i386.h (struct machine_function): Convert call_abi field
	into a bitfield.  Move cfa field to the end of the structure.

From-SVN: r160025

gcc/ChangeLog

+2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>
+
+	* basic-block.h (struct control_flow_graph): Move last_label_uid field up.
+	* df.h (struct df_base_ref): Move regno field up.
+	* dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
+	* expr.h (struct separate_ops): Move location field up.
+	* optabs.h (struct optab_d): Move libcall_basename field down.
+	* config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
+	* config/i386/i386.h (struct machine_function): Convert call_abi field
+	into a bitfield.  Move cfa field to the end of the structure.
+
 2010-05-29  Jan Hubicka  <jh@suse.cz>
 
 	* varpool.c (varpool_get_node): Fix lookup.

gcc/basic-block.h

@@ -303,6 +303,9 @@ struct GTY(()) control_flow_graph {
   /* The first free basic block number.  */
   int x_last_basic_block;
 
+  /* UIDs for LABEL_DECLs.  */
+  int last_label_uid;
+
   /* Mapping of labels to their associated blocks.  At present
      only used for the gimple CFG.  */
   VEC(basic_block,gc) *x_label_to_block_map;
@@ -318,9 +321,6 @@ struct GTY(()) control_flow_graph {
   /* Maximal number of entities in the single jumptable.  Used to estimate
      final flowgraph size.  */
   int max_jumptable_ents;
-
-  /* UIDs for LABEL_DECLs.  */
-  int last_label_uid;
 };
 
 /* Defines for accessing the fields of the CFG structure for function FN.  */

gcc/config/i386/i386.c

@@ -1852,10 +1852,10 @@ struct ix86_frame
   int nregs;
   int padding1;
   int va_arg_size;
+  int red_zone_size;
   HOST_WIDE_INT frame;
   int padding2;
   int outgoing_arguments_size;
-  int red_zone_size;
 
   HOST_WIDE_INT to_allocate;
   /* The offsets relative to ARG_POINTER.  */

gcc/config/i386/i386.h

@@ -2374,12 +2374,9 @@ struct GTY(()) machine_function {
      has been computed for.  */
   int use_fast_prologue_epilogue_nregs;
 
-  /* The CFA state at the end of the prologue.  */
-  struct machine_cfa_state cfa;
-
   /* This value is used for amd64 targets and specifies the current abi
      to be used. MS_ABI means ms abi. Otherwise SYSV_ABI means sysv abi.  */
-  enum calling_abi call_abi;
+  ENUM_BITFIELD(calling_abi) call_abi : 8;
 
   /* Nonzero if the function accesses a previous frame.  */
   BOOL_BITFIELD accesses_prev_frame : 1;
@@ -2405,6 +2402,9 @@ struct GTY(()) machine_function {
   /* If true, the current function has a STATIC_CHAIN is placed on the
      stack below the return address.  */
   BOOL_BITFIELD static_chain_on_stack : 1;
+
+  /* The CFA state at the end of the prologue.  */
+  struct machine_cfa_state cfa;
 };
 #endif
 

gcc/df.h

@@ -364,6 +364,7 @@ struct df_base_ref
   ENUM_BITFIELD(df_ref_type) type : 8;
 				/* Type of ref.  */
   int flags : 16;		/* Various df_ref_flags.  */
+  unsigned int regno;		/* The register number referenced.  */
   rtx reg;			/* The register referenced.  */
   struct df_link *chain;	/* Head of def-use, use-def.  */
   /* Pointer to the insn info of the containing instruction.  FIXME!
@@ -375,7 +376,6 @@ struct df_base_ref
      themselves rather than using an external structure.  */
   union df_ref_d *next_reg;     /* Next ref with same regno and type.  */
   union df_ref_d *prev_reg;     /* Prev ref with same regno and type.  */
-  unsigned int regno;		/* The register number referenced.  */
   /* Location in the ref table.  This is only valid after a call to
      df_maybe_reorganize_[use,def]_refs which is an expensive operation.  */
   int id;

gcc/dwarf2out.c

@@ -305,8 +305,8 @@ typedef struct GTY(()) dw_fde_struct {
   const char *dw_fde_unlikely_section_end_label;
   dw_cfi_ref dw_fde_cfi;
   dw_cfi_ref dw_fde_switch_cfi; /* Last CFI before switching sections.  */
-  unsigned funcdef_number;
   HOST_WIDE_INT stack_realignment;
+  unsigned funcdef_number;
   /* Dynamic realign argument pointer register.  */
   unsigned int drap_reg;
   /* Virtual dynamic realign argument pointer register.  */

gcc/expr.h

@@ -273,9 +273,9 @@ do {								\
 typedef struct separate_ops
 {
   enum tree_code code;
+  location_t location;
   tree type;
   tree op0, op1, op2;
-  location_t location;
 } *sepops;
 
 /* Functions from optabs.c, commonly used, and without need for the optabs

gcc/optabs.h

@@ -46,8 +46,8 @@ struct optab_handlers
 struct optab_d
 {
   enum rtx_code code;
-  const char *libcall_basename;
   char libcall_suffix;
+  const char *libcall_basename;
   void (*libcall_gen)(struct optab_d *, const char *name, char suffix,
 		      enum machine_mode);
   struct optab_handlers handlers[NUM_MACHINE_MODES];