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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c
new file mode 100644
index 000000000..2d2ec155e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c
@@ -0,0 +1,34 @@
+/* { dg-do run { target { bmi2 } } } */
+/* { dg-options "-mbmi2 -O2 -dp" } */
+
+#include "bmi2-check.h"
+
+__attribute__((noinline))
+unsigned
+calc_shrx_u32 (unsigned a, int l)
+{
+ unsigned volatile res = a;
+ int i;
+ for (i = 0; i < l; ++i)
+ res >>= 1;
+
+ return res;
+}
+
+static void
+bmi2_test ()
+{
+ unsigned i;
+ unsigned src = 0xce7ace0;
+ unsigned res, res_ref;
+
+ for (i = 0; i < 5; ++i) {
+ src = src * (i + 1);
+
+ res_ref = calc_shrx_u32 (src, i + 1);
+ res = src >> (i + 1);
+
+ if (res != res_ref)
+ abort();
+ }
+}