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authorJakub Jelinek <jakub@redhat.com>2004-07-05 23:37:40 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2004-07-05 23:37:40 +0200
commit7682ef833a7aadac91f2fd21d2c61b74f4d4c957 (patch)
tree4f531dccb304dcf5e79a0af65d35fba1caaf1761
parent7b61653a60e028d88529c935633d8592aa74607d (diff)
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expr.c (expand_assignment): Disable the bitfield += optimizations.
* expr.c (expand_assignment): Disable the bitfield += optimizations. * gcc.c-torture/execute/20040629-1.c (FIELDS1, FIELDS2): Define to nothing if not yet defined. Use it in b, c and d type definitions. * gcc.c-torture/execute/20040705-1.c: New test. * gcc.c-torture/execute/20040705-2.c: New test. From-SVN: r84133
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/expr.c4
-rw-r--r--gcc/testsuite/ChangeLog7
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/20040629-1.c13
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/20040705-1.c2
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/20040705-2.c2
6 files changed, 28 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2b6a628..7e4ae9b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-07-05 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (expand_assignment): Disable the bitfield += optimizations.
+
2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
* doc/sourcebuild.texi: Revert previous patch.
diff --git a/gcc/expr.c b/gcc/expr.c
index 3c15a7b..b5feed7 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -3802,7 +3802,9 @@ expand_assignment (tree to, tree from, int want_value)
MEM_KEEP_ALIAS_SET_P (to_rtx) = 1;
}
- while (mode1 == VOIDmode && !want_value
+ /* Disabled temporarily. GET_MODE (to_rtx) is often not the right
+ mode. */
+ while (0 && mode1 == VOIDmode && !want_value
&& bitpos + bitsize <= BITS_PER_WORD
&& bitsize < BITS_PER_WORD
&& GET_MODE_BITSIZE (GET_MODE (to_rtx)) <= BITS_PER_WORD
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e12cd88..2a29944 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2004-07-05 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c-torture/execute/20040629-1.c (FIELDS1, FIELDS2): Define to
+ nothing if not yet defined. Use it in b, c and d type definitions.
+ * gcc.c-torture/execute/20040705-1.c: New test.
+ * gcc.c-torture/execute/20040705-2.c: New test.
+
2004-07-05 Giovanni Bajo <giovannibajo@gcc.gnu.org>
PR c++/2518
diff --git a/gcc/testsuite/gcc.c-torture/execute/20040629-1.c b/gcc/testsuite/gcc.c-torture/execute/20040629-1.c
index 9180d6c..6b3e906 100644
--- a/gcc/testsuite/gcc.c-torture/execute/20040629-1.c
+++ b/gcc/testsuite/gcc.c-torture/execute/20040629-1.c
@@ -4,9 +4,16 @@
extern void abort (void);
extern void exit (int);
-struct { unsigned int i : 6, j : 11, k : 15; } b;
-struct { unsigned int i : 5, j : 1, k : 26; } c;
-struct { unsigned int i : 16, j : 8, k : 8; } d;
+#ifndef FIELDS1
+#define FIELDS1
+#endif
+#ifndef FIELDS2
+#define FIELDS2
+#endif
+
+struct { FIELDS1 unsigned int i : 6, j : 11, k : 15; FIELDS2 } b;
+struct { FIELDS1 unsigned int i : 5, j : 1, k : 26; FIELDS2 } c;
+struct { FIELDS1 unsigned int i : 16, j : 8, k : 8; FIELDS2 } d;
unsigned int ret1 (void) { return b.i; }
unsigned int ret2 (void) { return b.j; }
diff --git a/gcc/testsuite/gcc.c-torture/execute/20040705-1.c b/gcc/testsuite/gcc.c-torture/execute/20040705-1.c
new file mode 100644
index 0000000..a9ba88e
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20040705-1.c
@@ -0,0 +1,2 @@
+#define FIELDS1 long long l;
+#include "20040629-1.c"
diff --git a/gcc/testsuite/gcc.c-torture/execute/20040705-2.c b/gcc/testsuite/gcc.c-torture/execute/20040705-2.c
new file mode 100644
index 0000000..a36fb6a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20040705-2.c
@@ -0,0 +1,2 @@
+#define FIELDS2 long long l;
+#include "20040629-1.c"