RISC-V: Add testcase for scalar unsigned SAT_MUL form 2

Add run and asm check test cases for scalar unsigned
SAT_MUL form 2.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/sat/sat_arith.h: Add test helper macros.
	* gcc.target/riscv/sat/sat_u_mul-3-u16.c: New test.
	* gcc.target/riscv/sat/sat_u_mul-3-u32.c: New test.
	* gcc.target/riscv/sat/sat_u_mul-3-u64.c: New test.
	* gcc.target/riscv/sat/sat_u_mul-3-u8.c: New test.
	* gcc.target/riscv/sat/sat_u_mul-run-3-u16.c: New test.
	* gcc.target/riscv/sat/sat_u_mul-run-3-u32.c: New test.
	* gcc.target/riscv/sat/sat_u_mul-run-3-u64.c: New test.
	* gcc.target/riscv/sat/sat_u_mul-run-3-u8.c: New test.

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

9 files changed, 119 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_arith.h b/gcc/testsuite/gcc.target/riscv/sat/sat_arith.h
index e40902a..d1dfd12 100644
--- a/gcc/testsuite/gcc.target/riscv/sat/sat_arith.h
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_arith.h
@@ -693,4 +693,19 @@ sat_u_mul_##NT##_from_##WT##_fmt_1 (NT a, NT b) \
   sat_u_mul_##NT##_from_##WT##_fmt_1 (a, b)
 #define RUN_SAT_U_MUL_FMT_1_WRAP(NT, WT, a, b) RUN_SAT_U_MUL_FMT_1(NT, WT, a, b)
 
+#define DEF_SAT_U_MUL_FMT_2(T)               \
+T __attribute__((noinline))                  \
+sat_u_mul_##T##_fmt_2 (T a, T b)             \
+{                                            \
+  T result;                                  \
+  if (__builtin_mul_overflow(a, b, &result)) \
+    return -1;                               \
+  else                                       \
+    return result;                           \
+}
+
+#define DEF_SAT_U_MUL_FMT_2_WRAP(T) DEF_SAT_U_MUL_FMT_2(T)
+#define RUN_SAT_U_MUL_FMT_2(T, a, b) sat_u_mul_##T##_fmt_2 (a, b)
+#define RUN_SAT_U_MUL_FMT_2_WRAP(T, a, b) RUN_SAT_U_MUL_FMT_2(T, a, b)
+
 #endif
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u16.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u16.c
new file mode 100644
index 0000000..714a7f2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u16.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc -mabi=lp64d -fdump-tree-optimized" } */
+
+#include "sat_arith.h"
+
+#define T uint16_t
+
+DEF_SAT_U_MUL_FMT_2_WRAP(T)
+
+/* { dg-final { scan-tree-dump-times ".SAT_MUL" 1 "optimized" } } */
+/* { dg-final { scan-assembler-not "\.L\[0-9\]+" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u32.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u32.c
new file mode 100644
index 0000000..bd6eafc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u32.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc -mabi=lp64d -fdump-tree-optimized" } */
+
+#include "sat_arith.h"
+
+#define T uint32_t
+
+DEF_SAT_U_MUL_FMT_2_WRAP(T)
+
+/* { dg-final { scan-tree-dump-times ".SAT_MUL" 1 "optimized" } } */
+/* { dg-final { scan-assembler-not "\.L\[0-9\]+" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u64.c
new file mode 100644
index 0000000..c96687f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u64.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc -mabi=lp64d -fdump-tree-optimized" } */
+
+#include "sat_arith.h"
+
+#define T uint64_t
+
+DEF_SAT_U_MUL_FMT_2_WRAP(T)
+
+/* { dg-final { scan-tree-dump-times ".SAT_MUL" 1 "optimized" } } */
+/* { dg-final { scan-assembler-not "\.L\[0-9\]+" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u8.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u8.c
new file mode 100644
index 0000000..a92447f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-3-u8.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc -mabi=lp64d -fdump-tree-optimized" } */
+
+#include "sat_arith.h"
+
+#define T uint8_t
+
+DEF_SAT_U_MUL_FMT_2_WRAP(T)
+
+/* { dg-final { scan-tree-dump-times ".SAT_MUL" 1 "optimized" } } */
+/* { dg-final { scan-assembler-not "\.L\[0-9\]+" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u16.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u16.c
new file mode 100644
index 0000000..73f619b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u16.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target { rv32 || rv64 } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define NT               uint16_t
+#define NAME             usmul
+#define DATA             TEST_BINARY_DATA_WRAP(NT, NAME)
+#define T                TEST_BINARY_STRUCT_DECL_WRAP(NT, NAME)
+#define RUN_BINARY(x, y) RUN_SAT_U_MUL_FMT_2_WRAP(NT, x, y)
+
+DEF_SAT_U_MUL_FMT_2_WRAP(NT)
+
+#include "scalar_sat_binary_run_xxx.h"
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u32.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u32.c
new file mode 100644
index 0000000..4965ef3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u32.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target { rv32 || rv64 } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define NT               uint32_t
+#define NAME             usmul
+#define DATA             TEST_BINARY_DATA_WRAP(NT, NAME)
+#define T                TEST_BINARY_STRUCT_DECL_WRAP(NT, NAME)
+#define RUN_BINARY(x, y) RUN_SAT_U_MUL_FMT_2_WRAP(NT, x, y)
+
+DEF_SAT_U_MUL_FMT_2_WRAP(NT)
+
+#include "scalar_sat_binary_run_xxx.h"
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u64.c
new file mode 100644
index 0000000..1868e81
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u64.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target { rv32 || rv64 } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define NT               uint64_t
+#define NAME             usmul
+#define DATA             TEST_BINARY_DATA_WRAP(NT, NAME)
+#define T                TEST_BINARY_STRUCT_DECL_WRAP(NT, NAME)
+#define RUN_BINARY(x, y) RUN_SAT_U_MUL_FMT_2_WRAP(NT, x, y)
+
+DEF_SAT_U_MUL_FMT_2_WRAP(NT)
+
+#include "scalar_sat_binary_run_xxx.h"
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u8.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u8.c
new file mode 100644
index 0000000..2b2551c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-3-u8.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target { rv32 || rv64 } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define NT               uint8_t
+#define NAME             usmul
+#define DATA             TEST_BINARY_DATA_WRAP(NT, NAME)
+#define T                TEST_BINARY_STRUCT_DECL_WRAP(NT, NAME)
+#define RUN_BINARY(x, y) RUN_SAT_U_MUL_FMT_2_WRAP(NT, x, y)
+
+DEF_SAT_U_MUL_FMT_2_WRAP(NT)
+
+#include "scalar_sat_binary_run_xxx.h"