Warning fixes:

	* calls.c (emit_call_1): Mark parameter `stack_size' with
	ATTRIBUTE_UNUSED.
	(expand_call): Initialize variable `insn'.
	(emit_library_call): Likewise for variable `high_to_save'.
	(emit_library_call_value): Likewise.
	(store_one_arg): Likewise for variables `lower_bound' and
	`upper_bound'.

	* combine.c (try_combine): Likewise for variables `i2_code_number'
	and `other_code_number'.
	(find_split_point): Likewise for variables `pos', `unsignedp' and
	`inner'.
	(simplify_if_then_else): Likewise for variables `op' and `c1'.
	(simplify_and_const_int): Remove unused variable `width'.
	(merge_outer_ops): Likewise.

	* cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
	HOST_WIDE_INT' when comparing against one.
	(simplify_relational_operation): Likewise.
	(cse_insn): Initialize variables `src_eqv_volatile',
	`src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.

	* final.c (init_final): Constify parameter `filename'.
	(final_start_function): Mark parameter `optimize' with
	ATTRIBUTE_UNUSED.
	(profile_function): Likewise for parameters `first' and `optimize'.
	(output_source_line): Likewise for parameter `file'.

	* integrate.c (subst_constants): Cast a value to `size_t' when
	comparing against one.
	(mark_stores): Initialize variable `mode'.  Cast a value to
	`size_t' when comparing against one.

	* integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.

	* loop.c (move_movables): Initialize variable `first'.
	(strength_reduce): Likewise for variable `increment'.
	(check_dbra_loop): Likewise for variable `comparison_val'.  Cast a
	value to `size_t' when comparing against one.
	(load_mems): Initialize variable `end_label'.

	* output.h (init_final): Constify parameter.

	* reload.c (decompose): Initialize variable `base'.

	* reload1.c (reload): Likewise for variable `is_scalar'.
	(spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
	(choose_reload_regs): Initialize variable `mode'.
	(emit_reload_insns): Likewise for variable `store_insn'.
	(reload_cse_noop_set_p): Mark parameter `insn' with
	ATTRIBUTE_UNUSED.
	(reload_combine): Initialize variable `set'.

	* unroll.c (unroll_loop): Likewise for variable `local_label'.
	(copy_loop_body): Cast a value to `size_t' when comparing against
	one.

	* varasm.c (assemble_variable): Initialize variable `size_tree'.
	(const_hash): Add an `else abort()' in an if-else-if-else sequence.
	(remove_from_pending_weak_list): Mark parameter `name' with
	ATTRIBUTE_UNUSED.

From-SVN: r28860

1 files changed, 9 insertions, 9 deletions

diff --git a/gcc/cse.c b/gcc/cse.c
index 29a8e9f..c39ab9f 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -4198,7 +4198,7 @@ simplify_binary_operation (code, mode, op0, op1)
 	case ROTATE:
 	  /* Rotating ~0 always results in ~0.  */
 	  if (GET_CODE (op0) == CONST_INT && width <= HOST_BITS_PER_WIDE_INT
-	      && INTVAL (op0) == GET_MODE_MASK (mode)
+	      && (unsigned HOST_WIDE_INT) INTVAL (op0) == GET_MODE_MASK (mode)
 	      && ! side_effects_p (op1))
 	    return op0;
 
@@ -4224,7 +4224,7 @@ simplify_binary_operation (code, mode, op0, op1)
 	   
 	case SMAX:
 	  if (width <= HOST_BITS_PER_WIDE_INT && GET_CODE (op1) == CONST_INT
-	      && (INTVAL (op1)
+	      && ((unsigned HOST_WIDE_INT) INTVAL (op1)
 		  == (unsigned HOST_WIDE_INT) GET_MODE_MASK (mode) >> 1)
 	      && ! side_effects_p (op0))
 	    return op1;
@@ -4839,14 +4839,14 @@ simplify_relational_operation (code, mode, op0, op1)
 	  /* Unsigned values are never greater than the largest
 	     unsigned value.  */
 	  if (GET_CODE (op1) == CONST_INT
-	      && INTVAL (op1) == GET_MODE_MASK (mode)
+	      && (unsigned HOST_WIDE_INT) INTVAL (op1) == GET_MODE_MASK (mode)
 	    && INTEGRAL_MODE_P (mode))
 	  return const_true_rtx;
 	  break;
 
 	case GTU:
 	  if (GET_CODE (op1) == CONST_INT
-	      && INTVAL (op1) == GET_MODE_MASK (mode)
+	      && (unsigned HOST_WIDE_INT) INTVAL (op1) == GET_MODE_MASK (mode)
 	      && INTEGRAL_MODE_P (mode))
 	    return const0_rtx;
 	  break;
@@ -6377,12 +6377,12 @@ cse_insn (insn, libcall_insn)
 
   rtx src_eqv = 0;
   struct table_elt *src_eqv_elt = 0;
-  int src_eqv_volatile;
-  int src_eqv_in_memory;
-  int src_eqv_in_struct;
-  unsigned src_eqv_hash;
+  int src_eqv_volatile = 0;
+  int src_eqv_in_memory = 0;
+  int src_eqv_in_struct = 0;
+  unsigned src_eqv_hash = 0;
 
-  struct set *sets;
+  struct set *sets = NULL_PTR;
 
   this_insn = insn;