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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/bmi-bextr-4.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi-bextr-4.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi-bextr-4.c
new file mode 100644
index 000000000..2318847ae
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi-bextr-4.c
@@ -0,0 +1,49 @@
+/* { dg-do run { target { bmi } } } */
+/* { dg-require-effective-target bmi } */
+/* { dg-options "-O2 -mbmi -fno-inline" } */
+
+#include <x86intrin.h>
+
+#include "bmi-check.h"
+
+unsigned calc_bextr_u32 (unsigned src1, unsigned src2)
+{
+ unsigned res = 0;
+ unsigned char start = (src2 & 0xff);
+ unsigned char len = (int) ((src2 >> 8) & 0xff);
+ if (start < 32) {
+ unsigned i;
+ unsigned last = (start+len) < 32 ? start+len : 32;
+
+ src1 >>= start;
+ for (i=start; i<last; ++i) {
+ res |= (src1 & 1) << (i-start);
+ src1 >>= 1;
+ }
+ }
+
+ return res;
+}
+
+static void
+bmi_test ()
+{
+ unsigned i;
+ unsigned char start, len;
+ unsigned src1 = 0xfacec0ff;
+ unsigned res, res_ref, src2;
+
+ for (i=0; i<5; ++i) {
+ start = i * 4;
+ len = i * 4;
+
+ src1 = src1 * 3;
+ src2 = (start & 0xff) | ((len & 0xff) << 8);
+
+ res_ref = calc_bextr_u32 (src1, src2);
+ res = _bextr_u32 (src1, start, len);
+
+ if (res != res_ref)
+ abort();
+ }
+}