re PR bootstrap/44756 ([meta-bug] --enable-werror-always issues)

        PR bootstrap/44756
        * ifcvt.c (noce_emit_cmove): Add ATTRIBUTE_UNUSED to target and
        unsignedp.
        * reload1.c (set_reload_reg): Add ATTRIBUTE_UNUSED to regno.

From-SVN: r166313

gcc/ChangeLog

@@ -21,6 +21,11 @@
 	* emit-rtl.c (gen_rtx_REG): Before using PIC_OFFSET_TABLE_REGNUM
 	as an index, check it is not INVALID_REGNUM.
 
+	PR bootstrap/44756
+	* ifcvt.c (noce_emit_cmove): Add ATTRIBUTE_UNUSED to target and
+	unsignedp.
+	* reload1.c (set_reload_reg): Add ATTRIBUTE_UNUSED to regno.
+
 2010-11-04  Ira Rosen  <irar@il.ibm.com>
 
 	PR tree-optimization/46213

gcc/ifcvt.c

@@ -1333,8 +1333,8 @@ static rtx
 noce_emit_cmove (struct noce_if_info *if_info, rtx x, enum rtx_code code,
 		 rtx cmp_a, rtx cmp_b, rtx vfalse, rtx vtrue)
 {
-  rtx target;
-  int unsignedp;
+  rtx target ATTRIBUTE_UNUSED;
+  int unsignedp ATTRIBUTE_UNUSED;
 
   /* If earliest == jump, try to build the cmove insn directly.
      This is helpful when combine has created some complex condition

gcc/reload1.c

@@ -6025,7 +6025,9 @@ failed_reload (rtx insn, int r)
 static int
 set_reload_reg (int i, int r)
 {
-  int regno;
+  /* regno is 'set but not used' if HARD_REGNO_MODE_OK doesn't use its first
+     parameter.  */
+  int regno ATTRIBUTE_UNUSED;
   rtx reg = spill_reg_rtx[i];
 
   if (reg == 0 || GET_MODE (reg) != rld[r].mode)