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[patch] cse.c: Remove write-only static variables.


Attached is a patch to remove write-only static variables.

Tested on i686-pc-linux-gnu.  OK to apply?

Kazu Hirata

2005-01-23  Kazu Hirata  <>

	* cse.c (max_reg, max_insn_uid): Remove.
	(cse_main): Don't access max_reg or max_insn_uid.

Index: cse.c
RCS file: /cvs/gcc/gcc/gcc/cse.c,v
retrieving revision 1.330
diff -u -d -p -r1.330 cse.c
--- cse.c	18 Jan 2005 11:36:03 -0000	1.330
+++ cse.c	23 Jan 2005 03:55:38 -0000
@@ -202,15 +202,6 @@ Related expressions:
    so that it is possible to find out if there exists any
    register equivalent to an expression related to a given expression.  */
-/* One plus largest register number used in this function.  */
-static int max_reg;
-/* One plus largest instruction UID used in this function at time of
-   cse_main call.  */
-static int max_insn_uid;
 /* Length of qty_table vector.  We know in advance we will not need
    a quantity number this big.  */
@@ -6726,10 +6717,6 @@ cse_main (rtx f, int nregs, FILE *file)
   init_recog ();
   init_alias_analysis ();
-  max_reg = nregs;
-  max_insn_uid = get_max_uid ();
   reg_eqv_table = xmalloc (nregs * sizeof (struct reg_eqv_elem));
   /* Reset the counter indicating how many elements have been made

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