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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-pext64-1.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-pext64-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-pext64-1.c
new file mode 100644
index 000000000..685074966
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-pext64-1.c
@@ -0,0 +1,39 @@
+/* { dg-do run { target { bmi2 && { ! ia32 } } } } */
+/* { dg-options "-mbmi2 -O2" } */
+
+#include <x86intrin.h>
+#include "bmi2-check.h"
+
+__attribute__((noinline))
+unsigned long long
+calc_pext_u64 (unsigned long long a, unsigned long long mask)
+{
+ unsigned long long res = 0;
+ int i, k = 0;
+
+ for (i = 0; i < 64; ++i)
+ if (mask & (1LL << i)) {
+ res |= ((a & (1LL << i)) >> i) << k;
+ ++k;
+ }
+
+ return res;
+}
+
+static void
+bmi2_test ()
+{
+ unsigned long long i;
+ unsigned long long src = 0xce7acce7acce7ac;
+ unsigned long long res, res_ref;
+
+ for (i = 0; i < 5; ++i) {
+ src = src * (i + 1);
+
+ res_ref = calc_pext_u64 (src, ~(i * 3));
+ res = _pext_u64 (src, ~(i * 3));
+
+ if (res != res_ref)
+ abort();
+ }
+}