RISC-V: Add testcases for form 2 of signed vector SAT_ADD

Form 2:
  #define DEF_VEC_SAT_S_ADD_FMT_2(T, UT, MIN, MAX)                     \
  void __attribute__((noinline))                                       \
  vec_sat_s_add_##T##_fmt_2 (T *out, T *op_1, T *op_2, unsigned limit) \
  {                                                                    \
    unsigned i;                                                        \
    for (i = 0; i < limit; i++)                                        \
      {                                                                \
        T x = op_1[i];                                                 \
        T y = op_2[i];                                                 \
        T sum = (UT)x + (UT)y;                                         \
        if ((x ^ y) < 0 || (sum ^ x) >= 0)                             \
          out[i] = sum;                                                \
        else                                                           \
          out[i] = x < 0 ? MIN : MAX;                                  \
      }                                                                \
  }

DEF_VEC_SAT_S_ADD_FMT_2 (int8_t, uint8_t, INT8_MIN, INT8_MAX)

The below test are passed for this patch.
* The rv64gcv fully regression test.

It is test only patch and obvious up to a point, will commit it
directly if no comments in next 48H.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/autovec/vec_sat_arith.h: Add test helper macro.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-5.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-6.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-7.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-8.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-5.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-6.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-7.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-8.c: New test.

Signed-off-by: Pan Li <pan2.li@intel.com>

9 files changed, 128 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-5.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-5.c
new file mode 100644
index 0000000..8cf0d06
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-5.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details" } */
+
+#include "../vec_sat_arith.h"
+
+DEF_VEC_SAT_S_ADD_FMT_2(int8_t, uint8_t, INT8_MIN, INT8_MAX)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */
+/* { dg-final { scan-assembler-times {vsadd\.vv} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-6.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-6.c
new file mode 100644
index 0000000..a26d394
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-6.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details" } */
+
+#include "../vec_sat_arith.h"
+
+DEF_VEC_SAT_S_ADD_FMT_2(int16_t, uint16_t, INT16_MIN, INT16_MAX)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */
+/* { dg-final { scan-assembler-times {vsadd\.vv} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-7.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-7.c
new file mode 100644
index 0000000..4ef1351
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-7.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details" } */
+
+#include "../vec_sat_arith.h"
+
+DEF_VEC_SAT_S_ADD_FMT_2(int32_t, uint32_t, INT32_MIN, INT32_MAX)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */
+/* { dg-final { scan-assembler-times {vsadd\.vv} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-8.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-8.c
new file mode 100644
index 0000000..4879103
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-8.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details" } */
+
+#include "../vec_sat_arith.h"
+
+DEF_VEC_SAT_S_ADD_FMT_2(int64_t, uint64_t, INT64_MIN, INT64_MAX)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */
+/* { dg-final { scan-assembler-times {vsadd\.vv} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-5.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-5.c
new file mode 100644
index 0000000..c9605cc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-5.c
@@ -0,0 +1,17 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "../vec_sat_arith.h"
+#include "vec_sat_data.h"
+
+#define T  int8_t
+#define T1 int8_t
+#define T2 uint8_t
+
+DEF_VEC_SAT_S_ADD_FMT_2_WRAP (T1, T2, INT8_MIN, INT8_MAX)
+
+#define test_data          TEST_BINARY_DATA_NAME_WRAP(T, T, ssadd)
+#define RUN_VEC_SAT_BINARY(T, out, op_1, op_2, N) \
+  RUN_VEC_SAT_S_ADD_FMT_2_WRAP(T, out, op_1, op_2, N)
+
+#include "vec_sat_binary_vvv_run.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-6.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-6.c
new file mode 100644
index 0000000..07dcc58
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-6.c
@@ -0,0 +1,17 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "../vec_sat_arith.h"
+#include "vec_sat_data.h"
+
+#define T  int16_t
+#define T1 int16_t
+#define T2 uint16_t
+
+DEF_VEC_SAT_S_ADD_FMT_2_WRAP (T1, T2, INT16_MIN, INT16_MAX)
+
+#define test_data          TEST_BINARY_DATA_NAME_WRAP(T, T, ssadd)
+#define RUN_VEC_SAT_BINARY(T, out, op_1, op_2, N) \
+  RUN_VEC_SAT_S_ADD_FMT_2_WRAP(T, out, op_1, op_2, N)
+
+#include "vec_sat_binary_vvv_run.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-7.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-7.c
new file mode 100644
index 0000000..696d1fc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-7.c
@@ -0,0 +1,17 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "../vec_sat_arith.h"
+#include "vec_sat_data.h"
+
+#define T  int32_t
+#define T1 int32_t
+#define T2 uint32_t
+
+DEF_VEC_SAT_S_ADD_FMT_2_WRAP (T1, T2, INT32_MIN, INT32_MAX)
+
+#define test_data          TEST_BINARY_DATA_NAME_WRAP(T, T, ssadd)
+#define RUN_VEC_SAT_BINARY(T, out, op_1, op_2, N) \
+  RUN_VEC_SAT_S_ADD_FMT_2_WRAP(T, out, op_1, op_2, N)
+
+#include "vec_sat_binary_vvv_run.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-8.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-8.c
new file mode 100644
index 0000000..5106c23
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_s_add-run-8.c
@@ -0,0 +1,17 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "../vec_sat_arith.h"
+#include "vec_sat_data.h"
+
+#define T  int64_t
+#define T1 int64_t
+#define T2 uint64_t
+
+DEF_VEC_SAT_S_ADD_FMT_2_WRAP (T1, T2, INT64_MIN, INT64_MAX)
+
+#define test_data          TEST_BINARY_DATA_NAME_WRAP(T, T, ssadd)
+#define RUN_VEC_SAT_BINARY(T, out, op_1, op_2, N) \
+  RUN_VEC_SAT_S_ADD_FMT_2_WRAP(T, out, op_1, op_2, N)
+
+#include "vec_sat_binary_vvv_run.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vec_sat_arith.h b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vec_sat_arith.h
index 9a16804..1bac47e 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vec_sat_arith.h
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vec_sat_arith.h
@@ -241,11 +241,35 @@ vec_sat_s_add_##T##_fmt_1 (T *out, T *op_1, T *op_2, unsigned limit) \
 #define DEF_VEC_SAT_S_ADD_FMT_1_WRAP(T, UT, MIN, MAX) \
   DEF_VEC_SAT_S_ADD_FMT_1(T, UT, MIN, MAX)
 
+#define DEF_VEC_SAT_S_ADD_FMT_2(T, UT, MIN, MAX)                     \
+void __attribute__((noinline))                                       \
+vec_sat_s_add_##T##_fmt_2 (T *out, T *op_1, T *op_2, unsigned limit) \
+{                                                                    \
+  unsigned i;                                                        \
+  for (i = 0; i < limit; i++)                                        \
+    {                                                                \
+      T x = op_1[i];                                                 \
+      T y = op_2[i];                                                 \
+      T sum = (UT)x + (UT)y;                                         \
+      if ((x ^ y) < 0 || (sum ^ x) >= 0)                             \
+        out[i] = sum;                                                \
+      else                                                           \
+        out[i] = x < 0 ? MIN : MAX;                                  \
+    }                                                                \
+}
+#define DEF_VEC_SAT_S_ADD_FMT_2_WRAP(T, UT, MIN, MAX) \
+  DEF_VEC_SAT_S_ADD_FMT_2(T, UT, MIN, MAX)
+
 #define RUN_VEC_SAT_S_ADD_FMT_1(T, out, op_1, op_2, N) \
   vec_sat_s_add_##T##_fmt_1(out, op_1, op_2, N)
 #define RUN_VEC_SAT_S_ADD_FMT_1_WRAP(T, out, op_1, op_2, N) \
   RUN_VEC_SAT_S_ADD_FMT_1(T, out, op_1, op_2, N)
 
+#define RUN_VEC_SAT_S_ADD_FMT_2(T, out, op_1, op_2, N) \
+  vec_sat_s_add_##T##_fmt_2(out, op_1, op_2, N)
+#define RUN_VEC_SAT_S_ADD_FMT_2_WRAP(T, out, op_1, op_2, N) \
+  RUN_VEC_SAT_S_ADD_FMT_2(T, out, op_1, op_2, N)
+
 /******************************************************************************/
 /* Saturation Sub (Unsigned and Signed)                                       */
 /******************************************************************************/