explow.c (copy_all_reg, stabilize): Remove.

	* explow.c (copy_all_reg, stabilize): Remove.
	* expr.h: Remove the corresponding prototypes.

From-SVN: r93683

3 files changed, 5 insertions, 62 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 750379d..25b2a9b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* explow.c (copy_all_reg, stabilize): Remove.
+	* expr.h: Remove the corresponding prototypes.
+
 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
 
 	* config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
diff --git a/gcc/explow.c b/gcc/explow.c
index a3e28ff..6460bb9 100644
--- a/gcc/explow.c
+++ b/gcc/explow.c
@@ -390,44 +390,6 @@ convert_memory_address (enum machine_mode to_mode ATTRIBUTE_UNUSED,
 			x, POINTERS_EXTEND_UNSIGNED);
 #endif /* defined(POINTERS_EXTEND_UNSIGNED) */
 }
-
-/* Given a memory address or facsimile X, construct a new address,
-   currently equivalent, that is stable: future stores won't change it.
-
-   X must be composed of constants, register and memory references
-   combined with addition, subtraction and multiplication:
-   in other words, just what you can get from expand_expr if sum_ok is 1.
-
-   Works by making copies of all regs and memory locations used
-   by X and combining them the same way X does.
-   You could also stabilize the reference to this address
-   by copying the address to a register with copy_to_reg;
-   but then you wouldn't get indexed addressing in the reference.  */
-
-rtx
-copy_all_regs (rtx x)
-{
-  if (REG_P (x))
-    {
-      if (REGNO (x) != FRAME_POINTER_REGNUM
-#if HARD_FRAME_POINTER_REGNUM != FRAME_POINTER_REGNUM
-	  && REGNO (x) != HARD_FRAME_POINTER_REGNUM
-#endif
-	  )
-	x = copy_to_reg (x);
-    }
-  else if (MEM_P (x))
-    x = copy_to_reg (x);
-  else if (GET_CODE (x) == PLUS || GET_CODE (x) == MINUS
-	   || GET_CODE (x) == MULT)
-    {
-      rtx op0 = copy_all_regs (XEXP (x, 0));
-      rtx op1 = copy_all_regs (XEXP (x, 1));
-      if (op0 != XEXP (x, 0) || op1 != XEXP (x, 1))
-	x = gen_rtx_fmt_ee (GET_CODE (x), Pmode, op0, op1);
-    }
-  return x;
-}
 
 /* Return something equivalent to X but valid as a memory address
    for something of mode MODE.  When X is not itself valid, this
@@ -576,22 +538,6 @@ validize_mem (rtx ref)
   return replace_equiv_address (ref, XEXP (ref, 0));
 }
 
-/* Return a modified copy of X with its memory address copied
-   into a temporary register to protect it from side effects.
-   If X is not a MEM, it is returned unchanged (and not copied).
-   Perhaps even if it is a MEM, if there is no need to change it.  */
-
-rtx
-stabilize (rtx x)
-{
-  if (!MEM_P (x)
-      || ! rtx_unstable_p (XEXP (x, 0)))
-    return x;
-
-  return
-    replace_equiv_address (x, force_reg (Pmode, copy_all_regs (XEXP (x, 0))));
-}
-
 /* Copy the value or contents of X to a new temp reg and return that reg.  */
 
 rtx
diff --git a/gcc/expr.h b/gcc/expr.h
index a7eb1e3..b624413 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -642,14 +642,6 @@ extern void set_mem_attributes_minus_bitpos (rtx, tree, int, HOST_WIDE_INT);
 /* Assemble the static constant template for function entry trampolines.  */
 extern rtx assemble_trampoline_template (void);
 
-/* Given rtx, return new rtx whose address won't be affected by
-   any side effects.  It has been copied to a new temporary reg.  */
-extern rtx stabilize (rtx);
-
-/* Given an rtx, copy all regs it refers to into new temps
-   and return a modified copy that refers to the new temps.  */
-extern rtx copy_all_regs (rtx);
-
 /* Copy given rtx to a new temp reg and return that.  */
 extern rtx copy_to_reg (rtx);