* explow.c (find_next_ref): Remove.

	* rtl.h: Remove the prototype for find_next_ref.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68628 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e525fe..747bf5d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-28  Kazu Hirata  <kazu@cs.umass.edu>
+
+       * explow.c (find_next_ref): Remove.
+       * rtl.h: Remove the prototype for find_next_ref.
+
 2003-06-27  Roger Sayle  <roger@eyesopen.com>
 
        * config/alpha/alpha.md (anonymous define_split): Adjust emit_note

diff --git a/gcc/explow.c b/gcc/explow.c
index 883edf8..9568afc 100644 (file)
--- a/gcc/explow.c
+++ b/gcc/explow.c
@@ -241,51 +241,6 @@ eliminate_constant_term (x, constptr)
   return x;
 }
 
-/* Returns the insn that next references REG after INSN, or 0
-   if REG is clobbered before next referenced or we cannot find
-   an insn that references REG in a straight-line piece of code.  */
-
-rtx
-find_next_ref (reg, insn)
-     rtx reg;
-     rtx insn;
-{
-  rtx next;
-
-  for (insn = NEXT_INSN (insn); insn; insn = next)
-    {
-      next = NEXT_INSN (insn);
-      if (GET_CODE (insn) == NOTE)
-       continue;
-      if (GET_CODE (insn) == CODE_LABEL
-         || GET_CODE (insn) == BARRIER)
-       return 0;
-      if (GET_CODE (insn) == INSN
-         || GET_CODE (insn) == JUMP_INSN
-         || GET_CODE (insn) == CALL_INSN)
-       {
-         if (reg_set_p (reg, insn))
-           return 0;
-         if (reg_mentioned_p (reg, PATTERN (insn)))
-           return insn;
-         if (GET_CODE (insn) == JUMP_INSN)
-           {
-             if (any_uncondjump_p (insn))
-               next = JUMP_LABEL (insn);
-             else
-               return 0;
-           }
-         if (GET_CODE (insn) == CALL_INSN
-             && REGNO (reg) < FIRST_PSEUDO_REGISTER
-             && call_used_regs[REGNO (reg)])
-           return 0;
-       }
-      else
-       abort ();
-    }
-  return 0;
-}
-
 /* Return an rtx for the size in bytes of the value of EXP.  */
 
 rtx

diff --git a/gcc/rtl.h b/gcc/rtl.h
index 52baa24..6255639 100644 (file)
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1948,8 +1948,6 @@ extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx));
 /* REGNUM never really appearing in the INSN stream.  */
 #define INVALID_REGNUM                 (~(unsigned int) 0)
 
-extern rtx find_next_ref               PARAMS ((rtx, rtx));
-
 extern rtx output_constant_def         PARAMS ((tree, int));
 
 /* Called from integrate.c when a deferred constant is inlined.  */