hwint.h (HOST_WIDE_INT_0): New define.

	* hwint.h (HOST_WIDE_INT_0): New define.
	(HOST_WIDE_INT_0U): Ditto.
	* double-int.c: Use HOST_WIDE_INT_0 instead of (HOST_WIDE_INT) 0.
	* dse.c: Use HOST_WIDE_INT_0U instead of (unsigned HOST_WIDE_INT) 0.
	* simplify-rtx.c: Ditto.
	* tree-object-size.c: Ditto.

From-SVN: r238545

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8016ac1f6318a576dc2606d47a8d36f29788163a..676268c3347082add8725ce17bd84a32dac82f52 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2016-07-20  Uros Bizjak  <ubizjak@gmail.com>
+
+       * hwint.h (HOST_WIDE_INT_0): New define.
+       (HOST_WIDE_INT_0U): Ditto.
+       * double-int.c: Use HOST_WIDE_INT_0 instead of (HOST_WIDE_INT) 0.
+       * dse.c: Use HOST_WIDE_INT_0U instead of (unsigned HOST_WIDE_INT) 0.
+       * simplify-rtx.c: Ditto.
+       * tree-object-size.c: Ditto.
+
 2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
        * config/s390/s390.c (s390_encode_section_info): Remove mode size

diff --git a/gcc/double-int.c b/gcc/double-int.c
index 8a273907a6fd2538282df1c2b3427ac38608c17e..2d692f94b6a522d17a3290d5ce70dfdbbcf455b7 100644 (file)
--- a/gcc/double-int.c
+++ b/gcc/double-int.c
@@ -557,7 +557,7 @@ div_and_round_double (unsigned code, int uns,
     case CEIL_MOD_EXPR:                /* round toward positive infinity */
       if (!quo_neg && (*lrem != 0 || *hrem != 0))  /* ratio > 0 && rem != 0 */
        {
-         add_double (*lquo, *hquo, HOST_WIDE_INT_1, (HOST_WIDE_INT) 0,
+         add_double (*lquo, *hquo, HOST_WIDE_INT_1, HOST_WIDE_INT_0,
                      lquo, hquo);
        }
       else
@@ -593,7 +593,7 @@ div_and_round_double (unsigned code, int uns,
                          HOST_WIDE_INT_M1, HOST_WIDE_INT_M1, lquo, hquo);
            else
              /* quo = quo + 1; */
-             add_double (*lquo, *hquo, HOST_WIDE_INT_1, (HOST_WIDE_INT) 0,
+             add_double (*lquo, *hquo, HOST_WIDE_INT_1, HOST_WIDE_INT_0,
                          lquo, hquo);
          }
        else

diff --git a/gcc/dse.c b/gcc/dse.c
index 89c3f94d0f054d26c62fc0775c52aa044c88cf76..05a288643afebf1de441627f2ac84e25138f4e2a 100644 (file)
--- a/gcc/dse.c
+++ b/gcc/dse.c
@@ -1217,7 +1217,7 @@ set_all_positions_unneeded (store_info *s_info)
       s_info->positions_needed.large.count = end;
     }
   else
-    s_info->positions_needed.small_bitmask = (unsigned HOST_WIDE_INT) 0;
+    s_info->positions_needed.small_bitmask = HOST_WIDE_INT_0U;
 }
 
 /* Return TRUE if any bytes from S_INFO store are needed.  */
@@ -1229,8 +1229,7 @@ any_positions_needed_p (store_info *s_info)
     return (s_info->positions_needed.large.count
            < s_info->end - s_info->begin);
   else
-    return (s_info->positions_needed.small_bitmask
-           != (unsigned HOST_WIDE_INT) 0);
+    return (s_info->positions_needed.small_bitmask != HOST_WIDE_INT_0U);
 }
 
 /* Return TRUE if all bytes START through START+WIDTH-1 from S_INFO

diff --git a/gcc/hwint.h b/gcc/hwint.h
index c816ed40f7b1097723787089c70134e81fbe860a..6b4d53737a2db3271196906d536269020f21c335 100644 (file)
--- a/gcc/hwint.h
+++ b/gcc/hwint.h
@@ -63,6 +63,8 @@ extern char sizeof_long_long_must_be_8[sizeof (long long) == 8 ? 1 : -1];
 #endif
 
 #define HOST_WIDE_INT_UC(X) HOST_WIDE_INT_C (X ## U)
+#define HOST_WIDE_INT_0 HOST_WIDE_INT_C (0)
+#define HOST_WIDE_INT_0U HOST_WIDE_INT_UC (0)
 #define HOST_WIDE_INT_1 HOST_WIDE_INT_C (1)
 #define HOST_WIDE_INT_1U HOST_WIDE_INT_UC (1)
 #define HOST_WIDE_INT_M1 HOST_WIDE_INT_C (-1)

diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 4354b5bcd333f8e652cdf1a516582acfcb085de6..c34f2f5562324c6191a6ab21dcb6d52e996ada4c 100644 (file)
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -40,7 +40,7 @@ along with GCC; see the file COPYING3.  If not see
    occasionally need to sign extend from low to high as if low were a
    signed wide int.  */
 #define HWI_SIGN_EXTEND(low) \
- ((((HOST_WIDE_INT) low) < 0) ? HOST_WIDE_INT_M1 : ((HOST_WIDE_INT) 0))
+  ((((HOST_WIDE_INT) low) < 0) ? HOST_WIDE_INT_M1 : HOST_WIDE_INT_0)
 
 static rtx neg_const_int (machine_mode, const_rtx);
 static bool plus_minus_operand_p (const_rtx);

diff --git a/gcc/tree-object-size.c b/gcc/tree-object-size.c
index 07455cc05d26745f33c5f71eaab71a58371c1e72..5e8ced63a2e326bfe7ff61c929c25c91bcedfba5 100644 (file)
--- a/gcc/tree-object-size.c
+++ b/gcc/tree-object-size.c
@@ -738,7 +738,7 @@ merge_object_sizes (struct object_size_info *osi, tree dest, tree orig,
   orig_bytes = object_sizes[object_size_type][SSA_NAME_VERSION (orig)];
   if (orig_bytes != unknown[object_size_type])
     orig_bytes = (offset > orig_bytes)
-                ? (unsigned HOST_WIDE_INT) 0 : orig_bytes - offset;
+                ? HOST_WIDE_INT_0U : orig_bytes - offset;
 
   if ((object_size_type & 2) == 0)
     {