combine.c (simplify_set, [...]): Use full mask instead of GET_MODE_MASK (mode) as...

	* combine.c (simplify_set, make_extraction, make_compound_operation
	make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
	as force_to_mode argument.

From-SVN: r35348

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 176c7bb5f76e471765acdf173f7bc5fe87586f55..87c9b6b81a084af7f1c4bf65e3710ef7bcf3431b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jul 30 20:38:26 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (simplify_set, make_extraction, make_compound_operation
+       make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
+       as force_to_mode argument.
+
 Sun Jul 30 20:30:41 MET DST 2000  Jan Hubicka  <jh@suse.cz>
 
        * combine.c (if_then_else_cond): Be sure that mode fits in HOST_WIDE_INT

diff --git a/gcc/combine.c b/gcc/combine.c
index 55be324ccf0e49e67b10a8b62f58e5f348b92092..a38c8eddea5d66898a377c4e59a89d6c5ed09a17 100644 (file)
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -4883,7 +4883,7 @@ simplify_set (x)
 
   if (GET_MODE_CLASS (mode) == MODE_INT)
     {
-      src = force_to_mode (src, mode, GET_MODE_MASK (mode), NULL_RTX, 0);
+      src = force_to_mode (src, mode, ~(HOST_WIDE_INT) 0, NULL_RTX, 0);
       SUBST (SET_SRC (x), src);
     }
 
@@ -5977,7 +5977,7 @@ make_extraction (mode, inner, pos, pos_rtx, len,
       else
        new = force_to_mode (inner, tmode,
                             len >= HOST_BITS_PER_WIDE_INT
-                            ? GET_MODE_MASK (tmode)
+                            ? ~(HOST_WIDE_INT) 0
                             : ((unsigned HOST_WIDE_INT) 1 << len) - 1,
                             NULL_RTX, 0);
 
@@ -6198,7 +6198,7 @@ make_extraction (mode, inner, pos, pos_rtx, len,
       inner = force_to_mode (inner, wanted_inner_mode,
                             pos_rtx
                             || len + orig_pos >= HOST_BITS_PER_WIDE_INT
-                            ? GET_MODE_MASK (wanted_inner_mode)
+                            ? ~(HOST_WIDE_INT) 0
                             : ((((unsigned HOST_WIDE_INT) 1 << len) - 1)
                                << orig_pos),
                             NULL_RTX, 0);
@@ -6528,8 +6528,8 @@ make_compound_operation (x, in_code)
          && GET_MODE_SIZE (mode) < GET_MODE_SIZE (GET_MODE (tem))
          && subreg_lowpart_p (x))
        {
-         rtx newer = force_to_mode (tem, mode,
-                                    GET_MODE_MASK (mode), NULL_RTX, 0);
+         rtx newer = force_to_mode (tem, mode, ~(HOST_WIDE_INT) 0,
+                                    NULL_RTX, 0);
 
          /* If we have something other than a SUBREG, we might have
             done an expansion, so rerun outselves.  */
@@ -7647,7 +7647,7 @@ make_field_assignment (x)
                                             GET_MODE (src), other, pos),
                       mode,
                       GET_MODE_BITSIZE (mode) >= HOST_BITS_PER_WIDE_INT
-                      ? GET_MODE_MASK (mode)
+                      ? ~(HOST_WIDE_INT) 0
                       : ((unsigned HOST_WIDE_INT) 1 << len) - 1,
                       dest, 0);