Backported from mainline

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

diff --git a/gcc/expr.h b/gcc/expr.h
index 1652186..0096367 100644 (file)
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -212,11 +212,20 @@ int can_conditionally_move_p (enum machine_mode mode);
 rtx emit_conditional_add (rtx, enum rtx_code, rtx, rtx, enum machine_mode,
                          rtx, rtx, enum machine_mode, int);
 
-rtx expand_val_compare_and_swap (rtx, rtx, rtx, rtx);
-rtx expand_bool_compare_and_swap (rtx, rtx, rtx, rtx);
 rtx expand_sync_operation (rtx, rtx, enum rtx_code);
 rtx expand_sync_fetch_operation (rtx, rtx, enum rtx_code, bool, rtx);
 rtx expand_sync_lock_test_and_set (rtx, rtx, rtx);
+
+rtx expand_atomic_exchange (rtx, rtx, rtx, enum memmodel);
+rtx expand_atomic_load (rtx, rtx, enum memmodel);
+rtx expand_atomic_store (rtx, rtx, enum memmodel, bool);
+rtx expand_atomic_fetch_op (rtx, rtx, rtx, enum rtx_code, enum memmodel, 
+                             bool);
+rtx expand_atomic_test_and_set (rtx, rtx, enum memmodel);
+rtx expand_atomic_clear (rtx, enum memmodel);
+void expand_atomic_thread_fence (enum memmodel);
+void expand_atomic_signal_fence (enum memmodel);
+
 \f
 /* Functions from expmed.c:  */
 
@@ -325,6 +334,8 @@ extern rtx copy_blkmode_from_reg (rtx, rtx, tree);
    Mode is TYPE_MODE of the non-promoted parameter, or VOIDmode.  */
 extern void use_reg_mode (rtx *, rtx, enum machine_mode);
 
+extern rtx copy_blkmode_to_reg (enum machine_mode, tree);
+
 /* Mark REG as holding a parameter for the next CALL_INSN.  */
 static inline void
 use_reg (rtx *fusage, rtx reg)
@@ -356,6 +367,10 @@ extern bool set_storage_via_setmem (rtx, rtx, rtx, unsigned int,
    succeed.  */
 extern int can_move_by_pieces (unsigned HOST_WIDE_INT, unsigned int);
 
+extern unsigned HOST_WIDE_INT move_by_pieces_ninsns (unsigned HOST_WIDE_INT,
+                                                    unsigned int,
+                                                    unsigned int);
+
 /* Return nonzero if it is desirable to store LEN bytes generated by
    CONSTFUN with several move instructions by store_by_pieces
    function.  CONSTFUNDATA is a pointer which will be passed as argument