1 files changed, 77 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-adde.c b/gcc/testsuite/gcc.target/powerpc/vec-adde.c
new file mode 100644
index 00000000000..b7d5b44b7a7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-adde.c
@@ -0,0 +1,77 @@
+/* { dg-do run { target { powerpc64-*-* } } } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
+/* { dg-options "-mcpu=power8 -O3" } */
+
+/* Test that the vec_adde builtin works as expected.  */
+
+#include "altivec.h"
+
+#define N 4096
+
+void abort ();
+
+#define define_test_functions(STYPE, NAMESUFFIX) \
+\
+STYPE result_##NAMESUFFIX[N]; \
+STYPE addend1_##NAMESUFFIX[N]; \
+STYPE addend2_##NAMESUFFIX[N]; \
+STYPE carry_##NAMESUFFIX[N]; \
+STYPE expected_##NAMESUFFIX[N]; \
+\
+__attribute__((noinline)) void vector_tests_##NAMESUFFIX () \
+{ \
+  int i; \
+  vector STYPE v1, v2, v3, tmp; \
+  for (i = 0; i < N; i+=16/sizeof(STYPE)) { \
+    /* result=addend1+addend2+(carry & 0x1) */ \
+    v1 = vec_vsx_ld (0, &addend1_##NAMESUFFIX[i]); \
+    v2 = vec_vsx_ld (0, &addend2_##NAMESUFFIX[i]); \
+    v3 = vec_vsx_ld (0, &carry_##NAMESUFFIX[i]); \
+\
+    tmp = vec_adde (v1, v2, v3); \
+    vec_vsx_st (tmp, 0, &result_##NAMESUFFIX[i]); \
+  } \
+} \
+\
+__attribute__((noinline)) void init_##NAMESUFFIX () \
+{ \
+  int i; \
+  for (i = 0; i < N; ++i) { \
+    result_##NAMESUFFIX[i] = 0; \
+    addend1_##NAMESUFFIX[i] = 1; \
+    addend2_##NAMESUFFIX[i] = 2; \
+    carry_##NAMESUFFIX[i] = (i%12); \
+    expected_##NAMESUFFIX[i] = addend1_##NAMESUFFIX[i] + \
+		addend2_##NAMESUFFIX[i] + (carry_##NAMESUFFIX[i] & 0x1); \
+  } \
+} \
+\
+__attribute__((noinline)) void verify_results_##NAMESUFFIX () \
+{ \
+  for (int i = 0; i < N; ++i) { \
+    if (result_##NAMESUFFIX[i] != expected_##NAMESUFFIX[i]) \
+      abort(); \
+  } \
+}
+
+
+#define execute_test_functions(STYPE, NAMESUFFIX) \
+{ \
+  init_##NAMESUFFIX (); \
+  vector_tests_##NAMESUFFIX (); \
+  verify_results_##NAMESUFFIX (); \
+}
+
+
+define_test_functions(signed int, si);
+define_test_functions(unsigned int, ui);
+
+int main ()
+{
+  execute_test_functions(signed int, si);
+  execute_test_functions(unsigned int, ui);
+
+  return 0;
+}
+
+