ssa.c (ssa_uses): Remove definition.

        * ssa.c (ssa_uses): Remove definition.
        (apply_delayed_renames): Don't grow ssa_uses.
        (rename_block): Remove comment related to ssa_uses.
        (rename_registers): Do not initialize ssa_uses.
        (convert_from_ssa): Do not free ssa_uses.

From-SVN: r43460

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d83f3c23d975f529e249c8c6402c92fbc1ff57f2..ab7ae32d345601d4534706dfe9d426148f5993e5 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 Tue Jun 19 07:53:52 2001  Jeffrey A Law  (law@cygnus.com)
 
+       * ssa.c (ssa_uses): Remove definition.
+       (apply_delayed_renames): Don't grow ssa_uses.
+       (rename_block): Remove comment related to ssa_uses.
+       (rename_registers): Do not initialize ssa_uses.
+       (convert_from_ssa): Do not free ssa_uses.
+
        * ssa-dce.c: Renamed from dce.c.
        * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
        (dependencies): Replace dce.c with ssa-dce.c and dce.o with

diff --git a/gcc/ssa.c b/gcc/ssa.c
index 7927274046c98394202cee10cd74873b8b5be920..df4ca9af687062e9467e6547df6b691f8d3049cc 100644 (file)
--- a/gcc/ssa.c
+++ b/gcc/ssa.c
@@ -92,9 +92,6 @@ int in_ssa_form = 0;
 /* Element I is the single instruction that sets register I.  */
 varray_type ssa_definition;
 
-/* Element I is an INSN_LIST of instructions that use register I.  */
-varray_type ssa_uses;
-
 /* Element I-PSEUDO is the normal register that originated the ssa
    register in question.  */
 varray_type ssa_rename_from;
@@ -828,7 +825,6 @@ apply_delayed_renames (c)
        {
          int new_limit = new_regno * 5 / 4;
          VARRAY_GROW (ssa_definition, new_limit);
-         VARRAY_GROW (ssa_uses, new_limit);
        }
 
       VARRAY_RTX (ssa_definition, new_regno) = r->set_insn;
@@ -1084,7 +1080,6 @@ rename_block (bb, idom)
                abort();
 
              *phi_alternative (phi, bb) = reg;
-             /* ??? Mark for a new ssa_uses entry.  */
            }
 
          insn = NEXT_INSN (insn);
@@ -1124,7 +1119,6 @@ rename_registers (nregs, idom)
      int *idom;
 {
   VARRAY_RTX_INIT (ssa_definition, nregs * 3, "ssa_definition");
-  VARRAY_RTX_INIT (ssa_uses, nregs * 3, "ssa_uses");
   ssa_rename_from_initialize ();
 
   ssa_rename_to_pseudo = (rtx *) alloca (nregs * sizeof(rtx));
@@ -2222,7 +2216,6 @@ convert_from_ssa()
 
   /* Deallocate the data structures.  */
   VARRAY_FREE (ssa_definition);
-  VARRAY_FREE (ssa_uses);
   ssa_rename_from_free ();
 }