Daily bump.

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

diff --git a/gcc/expr.h b/gcc/expr.h
index 9bf0c38..88d72da 100644 (file)
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -218,9 +218,9 @@ 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.  */
@@ -228,6 +228,11 @@ do {                                                               \
 #define STACK_CHECK_PROBE_LOAD 0
 #endif
 
+/* 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
    mechanism (generic stack checking) and the new mechanism (static
    builtin stack checking).  STACK_CHECK_PROTECT needs to be bumped
@@ -252,7 +257,7 @@ 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.  */
@@ -618,7 +623,7 @@ extern HOST_WIDE_INT int_expr_size (tree);
    in its original home.  This becomes invalid if any more code is emitted.  */
 extern rtx hard_function_value (const_tree, const_tree, const_tree, int);
 
-extern rtx prepare_call_address (rtx, rtx, rtx *, int, int);
+extern rtx prepare_call_address (tree, rtx, rtx, rtx *, int, int);
 
 extern bool shift_return_value (enum machine_mode, bool, rtx);
 
@@ -650,9 +655,15 @@ extern rtx force_label_rtx (tree);
    The constant terms are added and stored via a second arg.  */
 extern rtx eliminate_constant_term (rtx, rtx *);
 
-/* Convert arg to a valid memory address for specified machine mode,
-   by emitting insns to perform arithmetic if nec.  */
-extern rtx memory_address (enum machine_mode, rtx);
+/* Convert arg to a valid memory address for specified machine mode that points
+   to a specific named address space, by emitting insns to perform arithmetic
+   if necessary.  */
+extern rtx memory_address_addr_space (enum machine_mode, rtx, addr_space_t);
+
+/* Like memory_address_addr_space, except assume the memory address points to
+   the generic named address space.  */
+#define memory_address(MODE,RTX) \
+       memory_address_addr_space ((MODE), (RTX), ADDR_SPACE_GENERIC)
 
 /* Return a memory reference like MEMREF, but with its mode changed
    to MODE and its address changed to ADDR.
@@ -756,6 +767,9 @@ 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};
 
@@ -773,10 +787,9 @@ 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