PR target/57736
* config/i386/i386.c (ix86_expand_builtin): If target == NULL
and mode is VOIDmode, don't create a VOIDmode pseudo to copy result
into.
* gcc.target/i386/pr57736.c: New test.
From-SVN: r200555
+2013-06-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/57736
+ * config/i386/i386.c (ix86_expand_builtin): If target == NULL
+ and mode is VOIDmode, don't create a VOIDmode pseudo to copy result
+ into.
+
2013-06-28 Balaji V. Iyer <balaji.v.iyer@intel.com>
* builtins.def: Fixed the function type of CILKPLUS_BUILTIN.
}
if (target == 0)
- target = gen_reg_rtx (mode);
+ {
+ /* mode is VOIDmode if __builtin_rd* has been called
+ without lhs. */
+ if (mode == VOIDmode)
+ return target;
+ target = gen_reg_rtx (mode);
+ }
if (TARGET_64BIT)
{
+2013-06-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/57736
+ * gcc.target/i386/pr57736.c: New test.
+
2013-06-28 Balaji V. Iyer <balaji.v.iyer@intel.com>
* c-c++-common/cilk-plus/AN/decl-ptr-colon.c (main): Made this testcase
--- /dev/null
+/* PR target/57736 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+#include <x86intrin.h>
+
+unsigned long long
+f1 (void)
+{
+ return __rdtsc ();
+}
+
+unsigned long long
+f2 (unsigned int *x)
+{
+ return __rdtscp (x);
+}
+
+unsigned long long
+f3 (unsigned int x)
+{
+ return __rdpmc (x);
+}
+
+void
+f4 (void)
+{
+ __rdtsc ();
+}
+
+void
+f5 (unsigned int *x)
+{
+ __rdtscp (x);
+}
+
+void
+f6 (unsigned int x)
+{
+ __rdpmc (x);
+}