* cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and

	HARD_REGISTER_NUM_P.

	* cselib.c (new_cselib_val): Make comment correct and more detailed.
	* flow.c (mark_set_1): Likewise.

	* except.c (duplicate_eh_region_1, duplicate_eh_region_2,
	duplicate_eh_regions): Remove.
	* except.h (duplicate_eh_regions): Remove prototype.
	* integrate.c (get_label_from_map, copy_rtx_and_substitute,
	global_const_equiv_varray): Remove.
	* integrate.h (get_label_from_map, copy_rtx_and_substitute,
	global_const_equiv_varray, set_label_in_map): Remove prototypes,
	extern declaration, and #define.
	(MAYBE_EXTEND_CONST_EQUIV_VARRAY, SET_CONST_EQUIV_DATA): Remove.
	(struct inline_remap): Remove.
	* varray.c (struct element): Remove entry for const_equiv_data.
	* varray.h (struct const_equiv_data): Remove.
	(enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove.
	(union varray_data_tag) <const_equiv>: Remove.
	(VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV,
	VARRAY_PUSH_CONST_EQUIV, VARRAY_TOP_CONST_EQUIV): Remove.

	* regstack.c (record_label_references): Remove unused function.

	* rtl.def (VALUE): Update comment.
	(LABEL_REF): Remove unused operand 2.
	* rtl.h (struct rtx_def): Update for removed accessor macros.
	(XCADVFLAGS, INSN_DEAD_CODE_P, LINE_NUMBER, CONTAINING_INSN,
	REG_LOOP_TEST_P): Remove.
	(ADDR_DIFF_VEC_FLAGS, CSELIB_VAL_PTR, LABEL_NEXTREF): Add comments.
	* web.c (entry_register): Don't copy REG_LOOP_TEST_P.
	* doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90580 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 52 deletions

diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index c09f76e48a4..d5983bbaf18 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -265,7 +265,6 @@ static int convert_regs_2 (FILE *, basic_block);
 static int convert_regs (FILE *);
 static void print_stack (FILE *, stack);
 static rtx next_flags_user (rtx);
-static void record_label_references (rtx, rtx);
 static bool compensate_edge (edge, FILE *);
 
 /* Return nonzero if any stack register is mentioned somewhere within PAT.  */
@@ -491,58 +490,7 @@ reg_to_stack (FILE *file)
   free_aux_for_blocks ();
   return true;
 }
-
-/* Check PAT, which is in INSN, for LABEL_REFs.  Add INSN to the
-   label's chain of references, and note which insn contains each
-   reference.  */
-
-static void
-record_label_references (rtx insn, rtx pat)
-{
-  enum rtx_code code = GET_CODE (pat);
-  int i;
-  const char *fmt;
-
-  if (code == LABEL_REF)
-    {
-      rtx label = XEXP (pat, 0);
-      rtx ref;
-
-      gcc_assert (LABEL_P (label));
-
-      /* If this is an undefined label, LABEL_REFS (label) contains
-         garbage.  */
-      if (INSN_UID (label) == 0)
-	return;
-
-      /* Don't make a duplicate in the code_label's chain.  */
 
-      for (ref = LABEL_REFS (label);
-	   ref && ref != label;
-	   ref = LABEL_NEXTREF (ref))
-	if (CONTAINING_INSN (ref) == insn)
-	  return;
-
-      CONTAINING_INSN (pat) = insn;
-      LABEL_NEXTREF (pat) = LABEL_REFS (label);
-      LABEL_REFS (label) = pat;
-
-      return;
-    }
-
-  fmt = GET_RTX_FORMAT (code);
-  for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
-    {
-      if (fmt[i] == 'e')
-	record_label_references (insn, XEXP (pat, i));
-      if (fmt[i] == 'E')
-	{
-	  int j;
-	  for (j = 0; j < XVECLEN (pat, i); j++)
-	    record_label_references (insn, XVECEXP (pat, i, j));
-	}
-    }
-}
 
 /* Return a pointer to the REG expression within PAT.  If PAT is not a
    REG, possible enclosed by a conversion rtx, return the inner part of