[gcc(refs/vendors/riscv/heads/gcc-15-with-riscv-opts)] RISC-V: Add testcase for rv32 SAT_MUL from uint64

[Jeff Law]

https://gcc.gnu.org/g:501314b7beff4b08c7c12ca37bae5e78db28124d

commit 501314b7beff4b08c7c12ca37bae5e78db28124d
Author: Pan Li <pan2.li@intel.com>
Date:   Fri Jul 11 08:58:31 2025 +0800

    RISC-V: Add testcase for rv32 SAT_MUL from uint64
    
    Add the run and asm testcase for rv32 SAT_MUL, widen mul from
    uint8_t, uint16_t, uint32_t to uint64_t.
    
    gcc/testsuite/ChangeLog:
    
            * gcc.target/riscv/sat/sat_u_mul-1-u16-from-u64.c: New test.
            * gcc.target/riscv/sat/sat_u_mul-1-u32-from-u64.c: New test.
            * gcc.target/riscv/sat/sat_u_mul-1-u8-from-u64.c: New test.
            * gcc.target/riscv/sat/sat_u_mul-run-1-u16-from-u64.c: New test.
            * gcc.target/riscv/sat/sat_u_mul-run-1-u32-from-u64.c: New test.
            * gcc.target/riscv/sat/sat_u_mul-run-1-u8-from-u64.c: New test.
    
    Signed-off-by: Pan Li <pan2.li@intel.com>
    (cherry picked from commit f7f0539ae9c7fbd33c29c6e73b6970d85b7394b7)

Diff:
---
 .../gcc.target/riscv/sat/sat_u_mul-1-u16-from-u64.c      | 11 +++++++++++
 .../gcc.target/riscv/sat/sat_u_mul-1-u32-from-u64.c      | 11 +++++++++++
 .../gcc.target/riscv/sat/sat_u_mul-1-u8-from-u64.c       | 11 +++++++++++
 .../gcc.target/riscv/sat/sat_u_mul-run-1-u16-from-u64.c  | 16 ++++++++++++++++
 .../gcc.target/riscv/sat/sat_u_mul-run-1-u32-from-u64.c  | 16 ++++++++++++++++
 .../gcc.target/riscv/sat/sat_u_mul-run-1-u8-from-u64.c   | 16 ++++++++++++++++
 6 files changed, 81 insertions(+)

diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u16-from-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u16-from-u64.c
new file mode 100644
index 000000000000..43ab563e65b0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u16-from-u64.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc -mabi=ilp32d -fdump-tree-optimized" } */
+
+#include "sat_arith.h"
+
+#define NT uint16_t
+#define WT uint64_t
+
+DEF_SAT_U_MUL_FMT_1_WRAP(NT, WT)
+
+/* { dg-final { scan-tree-dump-times ".SAT_MUL" 1 "optimized" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u32-from-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u32-from-u64.c
new file mode 100644
index 000000000000..8d5449bf3493
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u32-from-u64.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc -mabi=ilp32d -fdump-tree-optimized" } */
+
+#include "sat_arith.h"
+
+#define NT uint32_t
+#define WT uint64_t
+
+DEF_SAT_U_MUL_FMT_1_WRAP(NT, WT)
+
+/* { dg-final { scan-tree-dump-times ".SAT_MUL" 1 "optimized" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u8-from-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u8-from-u64.c
new file mode 100644
index 000000000000..ee4159337bad
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u8-from-u64.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc -mabi=ilp32d -fdump-tree-optimized" } */
+
+#include "sat_arith.h"
+
+#define NT uint8_t
+#define WT uint64_t
+
+DEF_SAT_U_MUL_FMT_1_WRAP(NT, WT)
+
+/* { dg-final { scan-tree-dump-times ".SAT_MUL" 1 "optimized" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u16-from-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u16-from-u64.c
new file mode 100644
index 000000000000..065afb84f1d9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u16-from-u64.c
@@ -0,0 +1,16 @@
+/* { dg-do run { target { rv32 } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define NT               uint16_t
+#define WT               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_1_WRAP(NT, WT, x, y)
+
+DEF_SAT_U_MUL_FMT_1_WRAP(NT, WT)
+
+#include "scalar_sat_binary_run_xxx.h"
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u32-from-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u32-from-u64.c
new file mode 100644
index 000000000000..062bbc954305
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u32-from-u64.c
@@ -0,0 +1,16 @@
+/* { dg-do run { target { rv32 } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define NT               uint32_t
+#define WT               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_1_WRAP(NT, WT, x, y)
+
+DEF_SAT_U_MUL_FMT_1_WRAP(NT, WT)
+
+#include "scalar_sat_binary_run_xxx.h"
diff --git a/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u8-from-u64.c b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u8-from-u64.c
new file mode 100644
index 000000000000..e6f632bab0f5
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u8-from-u64.c
@@ -0,0 +1,16 @@
+/* { dg-do run { target { rv32 } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define NT               uint8_t
+#define WT               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_1_WRAP(NT, WT, x, y)
+
+DEF_SAT_U_MUL_FMT_1_WRAP(NT, WT)
+
+#include "scalar_sat_binary_run_xxx.h"