diff --git a/gcc/testsuite/gcc.target/riscv/sat_u_trunc-10.c b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-10.c
new file mode 100644
index 00000000000..5ea8e613901
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-10.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc -mabi=lp64d -O3 -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "sat_arith.h"
+
+/*
+** sat_u_trunc_uint32_t_to_uint8_t_fmt_2:
+** sltiu\s+[atx][0-9]+,\s*a0,\s*255
+** addi\s+[atx][0-9]+,\s*[atx][0-9]+,\s*-1
+** or\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
+** andi\s+[atx][0-9]+,\s*[atx][0-9]+,\s*0xff
+** ret
+*/
+DEF_SAT_U_TRUNC_FMT_2(uint8_t, uint32_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_TRUNC " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat_u_trunc-11.c b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-11.c
new file mode 100644
index 00000000000..3b45e2af9ce
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-11.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc -mabi=lp64d -O3 -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "sat_arith.h"
+
+/*
+** sat_u_trunc_uint64_t_to_uint8_t_fmt_2:
+** sltiu\s+[atx][0-9]+,\s*a0,\s*255
+** addi\s+[atx][0-9]+,\s*[atx][0-9]+,\s*-1
+** or\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
+** andi\s+[atx][0-9]+,\s*[atx][0-9]+,\s*0xff
+** ret
+*/
+DEF_SAT_U_TRUNC_FMT_2(uint8_t, uint64_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_TRUNC " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat_u_trunc-12.c b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-12.c
new file mode 100644
index 00000000000..7ea2c93a301
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-12.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc -mabi=lp64d -O3 -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "sat_arith.h"
+
+/*
+** sat_u_trunc_uint64_t_to_uint16_t_fmt_2:
+** li\s+[atx][0-9]+,\s*65536
+** addi\s+[atx][0-9]+,\s*[atx][0-9]+,\s*-1
+** sltu\s+[atx][0-9]+,\s*a0,\s*[atx][0-9]+
+** addi\s+[atx][0-9]+,\s*[atx][0-9]+,\s*-1
+** or\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
+** slli\s+a0,\s*a0,\s*48
+** srli\s+a0,\s*a0,\s*48
+** ret
+*/
+DEF_SAT_U_TRUNC_FMT_2(uint16_t, uint64_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_TRUNC " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-10.c b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-10.c
new file mode 100644
index 00000000000..2281610f335
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-10.c
@@ -0,0 +1,16 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define T1 uint8_t
+#define T2 uint32_t
+
+DEF_SAT_U_TRUNC_FMT_2_WRAP(T1, T2)
+
+#define DATA           TEST_UNARY_DATA_WRAP(T1, T2)
+#define T              TEST_UNARY_STRUCT_DECL(T1, T2)
+#define RUN_UNARY(x)   RUN_SAT_U_TRUNC_FMT_2_WRAP(T1, T2, x)
+
+#include "scalar_sat_unary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-11.c b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-11.c
new file mode 100644
index 00000000000..126c97c855a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-11.c
@@ -0,0 +1,16 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define T1 uint8_t
+#define T2 uint64_t
+
+DEF_SAT_U_TRUNC_FMT_2_WRAP(T1, T2)
+
+#define DATA           TEST_UNARY_DATA_WRAP(T1, T2)
+#define T              TEST_UNARY_STRUCT_DECL(T1, T2)
+#define RUN_UNARY(x)   RUN_SAT_U_TRUNC_FMT_2_WRAP(T1, T2, x)
+
+#include "scalar_sat_unary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-12.c b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-12.c
new file mode 100644
index 00000000000..61ad79d506b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/sat_u_trunc-run-12.c
@@ -0,0 +1,16 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "sat_arith.h"
+#include "sat_arith_data.h"
+
+#define T1 uint16_t
+#define T2 uint64_t
+
+DEF_SAT_U_TRUNC_FMT_2_WRAP(T1, T2)
+
+#define DATA           TEST_UNARY_DATA_WRAP(T1, T2)
+#define T              TEST_UNARY_STRUCT_DECL(T1, T2)
+#define RUN_UNARY(x)   RUN_SAT_U_TRUNC_FMT_2_WRAP(T1, T2, x)
+
+#include "scalar_sat_unary.h"