+2016-02-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/69644
+ * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
+ Force oldval into register if it does not satisfy reg_or_short_operand
+ predicate. Fix up formatting.
+
2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
Alexandre Oliva <aoliva@redhat.com>
else if (reg_overlap_mentioned_p (retval, oldval))
oldval = copy_to_reg (oldval);
+ if (mode != TImode && !reg_or_short_operand (oldval, mode))
+ oldval = copy_to_mode_reg (mode, oldval);
+
mem = rs6000_pre_atomic_barrier (mem, mod_s);
label1 = NULL_RTX;
x = retval;
if (mask)
- {
- x = expand_simple_binop (SImode, AND, retval, mask,
- NULL_RTX, 1, OPTAB_LIB_WIDEN);
- }
+ x = expand_simple_binop (SImode, AND, retval, mask,
+ NULL_RTX, 1, OPTAB_LIB_WIDEN);
cond = gen_reg_rtx (CCmode);
/* If we have TImode, synthesize a comparison. */
+2016-02-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/69644
+ * gcc.dg/pr69644.c: New test.
+
2016-02-03 Mike Stump <mikestump@comcast.net>
* lib/compat.exp (compat-get-options-main): Add dg-timeout-factor
--- /dev/null
+/* PR target/69644 */
+/* { dg-do compile } */
+
+int
+main ()
+{
+ unsigned short x = 0x8000;
+ if (!__sync_bool_compare_and_swap (&x, 0x8000, 0) || x)
+ __builtin_abort ();
+ return 0;
+}