[ARC] Fix tst_bitfield_tst pattern.

gcc/
2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.md (*tst_bitfield_tst): Fix pattern.

gcc/testsuite
2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* testsuite/gcc.target/arc/bitfield.c: New file.

From-SVN: r246090

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6fdef52944db91e0aaecb8d36a4c87c5c3851afb..1c160a5b86cef606434f9a68e854e4da39fc2d1a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
+
+       * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
+
 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
 
        * config/arc/arc.c (arc_output_addsi): Emit code density adds.

diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md
index 3e715b5c52d3deba628abf3d44c02560e5aae577..a65735f8a7d5a766e6b8626b2bda3488c2a98738 100644 (file)
--- a/gcc/config/arc/arc.md
+++ b/gcc/config/arc/arc.md
@@ -901,7 +901,7 @@
    && (INTVAL (operands[3]) + INTVAL (operands[2]) <= 11
        || (INTVAL (operands[3]) <= 11
           && INTVAL (operands[3]) + INTVAL (operands[2]) == 32))"
-  "tst %1,(1<<%2)-1<<%3"
+  "tst %1,((1<<%2)-1)<<%3"
   [(set_attr "type" "compare")
    (set_attr "cond" "set_zn")
    (set_attr "length" "4")])

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5b7b5c19894ea4c82ce570f05fb38be915d2a3fc..873f648e137caa8c7b19dbf3830858a381260b68 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
+
+       * testsuite/gcc.target/arc/bitfield.c: New file.
+
 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
 
        * testsuite/gcc.target/arc/pr9001090948.c: New file.

diff --git a/gcc/testsuite/gcc.target/arc/bitfield.c b/gcc/testsuite/gcc.target/arc/bitfield.c
new file mode 100755 (executable)
index 0000000..187cd1d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arc/bitfield.c
@@ -0,0 +1,28 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+#include <stdlib.h>
+
+struct ubifs_budget_req {
+  unsigned int fast:7;
+  unsigned int new_ino_d:13;
+};
+
+int printf(const char *format, ...);
+
+void __attribute__ ((noinline))
+fff(struct ubifs_budget_req *req)
+{
+  if (req->new_ino_d & 7)
+    abort ();
+}
+
+int main (void)
+{
+  struct ubifs_budget_req req = {
+    .fast = 8,
+    .new_ino_d = 0,
+  };
+  fff(&req);
+  return 0;
+}