Merge dataflow branch into mainline

[thirdparty/gcc.git] / gcc / config / mmix / mmix.c

diff --git a/gcc/config/mmix/mmix.c b/gcc/config/mmix/mmix.c
index b57ed7aefa65c9450a62949ce1039be047683131..8a23c02910cc6cc3decdee5ebcbc42a292262b4d 100644 (file)
--- a/gcc/config/mmix/mmix.c
+++ b/gcc/config/mmix/mmix.c
@@ -1,5 +1,5 @@
 /* Definitions of target machine for GNU compiler, for MMIX.
-   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
+   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
    Contributed by Hans-Peter Nilsson (hp@bitrange.com)
 
@@ -56,7 +56,7 @@ Boston, MA 02110-1301, USA.  */
 /* We have no means to tell DWARF 2 about the register stack, so we need
    to store the return address on the stack if an exception can get into
    this function.  FIXME: Narrow condition.  Before any whole-function
-   analysis, regs_ever_live[] isn't initialized.  We know it's up-to-date
+   analysis, df_regs_ever_live_p () isn't initialized.  We know it's up-to-date
    after reload_completed; it may contain incorrect information some time
    before that.  Within a RTL sequence (after a call to start_sequence,
    such as in RTL expanders), leaf_function_p doesn't see all insns
@@ -66,7 +66,7 @@ Boston, MA 02110-1301, USA.  */
    preferable.  */
 #define MMIX_CFUN_NEEDS_SAVED_EH_RETURN_ADDRESS                        \
  (flag_exceptions                                              \
-  && ((reload_completed && regs_ever_live[MMIX_rJ_REGNUM])     \
+  && ((reload_completed && df_regs_ever_live_p (MMIX_rJ_REGNUM))       \
       || !leaf_function_p ()))
 
 #define IS_MMIX_EH_RETURN_DATA_REG(REGNO)      \
@@ -547,7 +547,7 @@ mmix_initial_elimination_offset (int fromreg, int toreg)
   for (regno = MMIX_FIRST_GLOBAL_REGNUM;
        regno <= 255;
        regno++)
-    if ((regs_ever_live[regno] && ! call_used_regs[regno])
+    if ((df_regs_ever_live_p (regno) && ! call_used_regs[regno])
        || IS_MMIX_EH_RETURN_DATA_REG (regno))
       fp_sp_offset += 8;
 
@@ -765,7 +765,7 @@ mmix_reorg (void)
   for (regno = MMIX_LAST_STACK_REGISTER_REGNUM;
        regno >= 0;
        regno--)
-    if ((regs_ever_live[regno] && !call_used_regs[regno])
+    if ((df_regs_ever_live_p (regno) && !call_used_regs[regno])
        || (regno == MMIX_FRAME_POINTER_REGNUM && frame_pointer_needed))
       break;
 
@@ -774,7 +774,7 @@ mmix_reorg (void)
      insns to see whether they're actually used (and indeed do other less
      trivial register usage analysis and transformations), but it seems
      wasteful to optimize for unused parameter registers.  As of
-     2002-04-30, regs_ever_live[n] seems to be set for only-reads too, but
+     2002-04-30, df_regs_ever_live_p (n) seems to be set for only-reads too, but
      that might change.  */
   if (!TARGET_ABI_GNU && regno < current_function_args_info.regs - 1)
     {
@@ -1836,7 +1836,7 @@ mmix_use_simple_return (void)
     /* Note that we assume that the frame-pointer-register is one of these
        registers, in which case we don't count it here.  */
     if ((((regno != MMIX_FRAME_POINTER_REGNUM || !frame_pointer_needed)
-         && regs_ever_live[regno] && !call_used_regs[regno]))
+         && df_regs_ever_live_p (regno) && !call_used_regs[regno]))
        || IS_MMIX_EH_RETURN_DATA_REG (regno))
       return 0;
 
@@ -1872,7 +1872,7 @@ mmix_expand_prologue (void)
     /* Note that we assume that the frame-pointer-register is one of these
        registers, in which case we don't count it here.  */
     if ((((regno != MMIX_FRAME_POINTER_REGNUM || !frame_pointer_needed)
-         && regs_ever_live[regno] && !call_used_regs[regno]))
+         && df_regs_ever_live_p (regno) && !call_used_regs[regno]))
        || IS_MMIX_EH_RETURN_DATA_REG (regno))
       stack_space_to_allocate += 8;
 
@@ -2057,7 +2057,7 @@ mmix_expand_prologue (void)
        regno >= MMIX_FIRST_GLOBAL_REGNUM;
        regno--)
     if (((regno != MMIX_FRAME_POINTER_REGNUM || !frame_pointer_needed)
-        && regs_ever_live[regno] && ! call_used_regs[regno])
+        && df_regs_ever_live_p (regno) && ! call_used_regs[regno])
        || IS_MMIX_EH_RETURN_DATA_REG (regno))
       {
        rtx insn;
@@ -2109,7 +2109,7 @@ mmix_expand_epilogue (void)
        regno >= MMIX_FIRST_GLOBAL_REGNUM;
        regno--)
     if (((regno != MMIX_FRAME_POINTER_REGNUM || !frame_pointer_needed)
-        && regs_ever_live[regno] && !call_used_regs[regno])
+        && df_regs_ever_live_p (regno) && !call_used_regs[regno])
        || IS_MMIX_EH_RETURN_DATA_REG (regno))
       stack_space_to_deallocate += 8;
 
@@ -2138,7 +2138,7 @@ mmix_expand_epilogue (void)
        regno <= 255;
        regno++)
     if (((regno != MMIX_FRAME_POINTER_REGNUM || !frame_pointer_needed)
-        && regs_ever_live[regno] && !call_used_regs[regno])
+        && df_regs_ever_live_p (regno) && !call_used_regs[regno])
        || IS_MMIX_EH_RETURN_DATA_REG (regno))
       {
        if (offset > 255)