* timevar.def (TV_WHOPR_WPA_FIXUP): Remove.

[pf3gnuchains/gcc-fork.git] / gcc / expr.h

diff --git a/gcc/expr.h b/gcc/expr.h
index 0eceb6e..4fddde6 100644 (file)
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -1,6 +1,6 @@
 /* Definitions for code generation pass of GNU compiler.
    Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -218,14 +218,14 @@ do {                                                              \
 #define STACK_CHECK_STATIC_BUILTIN 0
 #endif
 
-/* The default interval is one page.  */
-#ifndef STACK_CHECK_PROBE_INTERVAL
-#define STACK_CHECK_PROBE_INTERVAL 4096
+/* The default interval is one page (4096 bytes).  */
+#ifndef STACK_CHECK_PROBE_INTERVAL_EXP
+#define STACK_CHECK_PROBE_INTERVAL_EXP 12
 #endif
 
-/* The default is to do a store into the stack.  */
-#ifndef STACK_CHECK_PROBE_LOAD
-#define STACK_CHECK_PROBE_LOAD 0
+/* The default is not to move the stack pointer.  */
+#ifndef STACK_CHECK_MOVING_SP
+#define STACK_CHECK_MOVING_SP 0
 #endif
 
 /* This is a kludge to try to capture the discrepancy between the old
@@ -252,7 +252,7 @@ do {                                                                \
    one probe per function.  */
 #ifndef STACK_CHECK_MAX_FRAME_SIZE
 #define STACK_CHECK_MAX_FRAME_SIZE \
-  (STACK_CHECK_PROBE_INTERVAL - UNITS_PER_WORD)
+  ((1 << STACK_CHECK_PROBE_INTERVAL_EXP) - UNITS_PER_WORD)
 #endif
 
 /* This is arbitrary, but should be large enough everywhere.  */
@@ -390,7 +390,7 @@ extern rtx builtin_strncpy_read_str (void *, HOST_WIDE_INT, enum machine_mode);
 \f
 /* Functions from expr.c:  */
 
-/* This is run during target initialization to set up which modes can be 
+/* This is run during target initialization to set up which modes can be
    used directly in memory and to initialize the block move optab.  */
 extern void init_expr_target (void);
 
@@ -479,7 +479,7 @@ extern rtx clear_storage_hints (rtx, rtx, enum block_op_methods,
 rtx set_storage_via_libcall (rtx, rtx, rtx, bool);
 
 /* Expand a setmem pattern; return true if successful.  */
-extern bool set_storage_via_setmem (rtx, rtx, rtx, unsigned int, 
+extern bool set_storage_via_setmem (rtx, rtx, rtx, unsigned int,
                                    unsigned int, HOST_WIDE_INT);
 
 /* Determine whether the LEN bytes can be moved by using several move
@@ -541,7 +541,7 @@ extern rtx store_expr (tree, rtx, int, bool);
 extern rtx force_operand (rtx, rtx);
 
 /* Work horses for expand_expr.  */
-extern rtx expand_expr_real (tree, rtx, enum machine_mode, 
+extern rtx expand_expr_real (tree, rtx, enum machine_mode,
                             enum expand_modifier, rtx *);
 extern rtx expand_expr_real_1 (tree, rtx, enum machine_mode,
                               enum expand_modifier, rtx *);
@@ -583,20 +583,20 @@ extern void do_pending_stack_adjust (void);
 extern tree string_constant (tree, tree *);
 
 /* Generate code to evaluate EXP and jump to LABEL if the value is zero.  */
-extern void jumpifnot (tree, rtx);
-extern void jumpifnot_1 (enum tree_code, tree, tree, rtx);
+extern void jumpifnot (tree, rtx, int);
+extern void jumpifnot_1 (enum tree_code, tree, tree, rtx, int);
 
 /* Generate code to evaluate EXP and jump to LABEL if the value is nonzero.  */
-extern void jumpif (tree, rtx);
-extern void jumpif_1 (enum tree_code, tree, tree, rtx);
+extern void jumpif (tree, rtx, int);
+extern void jumpif_1 (enum tree_code, tree, tree, rtx, int);
 
 /* Generate code to evaluate EXP and jump to IF_FALSE_LABEL if
    the result is zero, or IF_TRUE_LABEL if the result is one.  */
-extern void do_jump (tree, rtx, rtx);
-extern void do_jump_1 (enum tree_code, tree, tree, rtx, rtx);
+extern void do_jump (tree, rtx, rtx, int);
+extern void do_jump_1 (enum tree_code, tree, tree, rtx, rtx, int);
 
 extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int,
-                                    enum machine_mode, rtx, rtx, rtx);
+                                    enum machine_mode, rtx, rtx, rtx, int);
 
 /* Two different ways of generating switch statements.  */
 extern int try_casesi (tree, tree, tree, tree, rtx, rtx, rtx);
@@ -762,6 +762,9 @@ extern void adjust_stack (rtx);
 /* Add some bytes to the stack.  An rtx says how many.  */
 extern void anti_adjust_stack (rtx);
 
+/* Add some bytes to the stack while probing it.  An rtx says how many. */
+extern void anti_adjust_stack_and_probe (rtx, bool);
+
 /* This enum is used for the following two functions.  */
 enum save_level {SAVE_BLOCK, SAVE_FUNCTION, SAVE_NONLOCAL};
 
@@ -779,10 +782,9 @@ extern void update_nonlocal_goto_save_area (void);
 extern rtx allocate_dynamic_stack_space (rtx, rtx, int);
 
 /* Probe a range of stack addresses from FIRST to FIRST+SIZE, inclusive.
-   FIRST is a constant and size is a Pmode RTX.  These are offsets from the
-   current stack pointer.  STACK_GROWS_DOWNWARD says whether to add or
-   subtract from the stack.  If SIZE is constant, this is done
-   with a fixed number of probes.  Otherwise, we must make a loop.  */
+   FIRST is a constant and size is a Pmode RTX.  These are offsets from
+   the current stack pointer.  STACK_GROWS_DOWNWARD says whether to add
+   or subtract them from the stack pointer.  */
 extern void probe_stack_range (HOST_WIDE_INT, rtx);
 
 /* Return an rtx that refers to the value returned by a library call