diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/math-iround-0.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/math-iround-0.c
new file mode 100644
index 00000000000..f32515d1403
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/math-iround-0.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fno-vect-cost-model -ffast-math -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "test-math.h"
+
+/*
+** test_float_int___builtin_iroundf:
+**   frrm\s+[atx][0-9]+
+**   ...
+**   fsrmi\s+4
+**   ...
+**   vsetvli\s+[atx][0-9]+,\s*zero,\s*e32,\s*m1,\s*ta,\s*ma
+**   vfcvt\.x\.f\.v\s+v[0-9]+,\s*v[0-9]+
+**   ...
+**   fsrm\s+[atx][0-9]+
+**   ret
+*/
+TEST_UNARY_CALL_CVT (float, int, __builtin_iroundf)
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/math-iround-run-0.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/math-iround-run-0.c
new file mode 100644
index 00000000000..2e05e443afe
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/math-iround-run-0.c
@@ -0,0 +1,63 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99 -O3 -ftree-vectorize -fno-vect-cost-model -ffast-math" } */
+
+#include "test-math.h"
+
+#define ARRAY_SIZE 128
+
+float in[ARRAY_SIZE];
+int out[ARRAY_SIZE];
+int ref[ARRAY_SIZE];
+
+TEST_UNARY_CALL_CVT (float, int, __builtin_iroundf)
+TEST_ASSERT (int)
+
+TEST_INIT_CVT (float, 1.2, int, __builtin_iroundf (1.2), 1)
+TEST_INIT_CVT (float, -1.2, int, __builtin_iroundf (-1.2), 2)
+TEST_INIT_CVT (float, 0.5, int, __builtin_iroundf (0.5), 3)
+TEST_INIT_CVT (float, -0.5, int, __builtin_iroundf (-0.5), 4)
+TEST_INIT_CVT (float, 0.1, int, __builtin_iroundf (0.1), 5)
+TEST_INIT_CVT (float, -0.1, int, __builtin_iroundf (-0.1), 6)
+TEST_INIT_CVT (float, 3.0, int, __builtin_iroundf (3.0), 7)
+TEST_INIT_CVT (float, -3.0, int, __builtin_iroundf (-3.0), 8)
+TEST_INIT_CVT (float, 8388607.5, int, __builtin_iroundf (8388607.5), 9)
+TEST_INIT_CVT (float, 8388609.0, int, __builtin_iroundf (8388609.0), 10)
+TEST_INIT_CVT (float, -8388607.5, int, __builtin_iroundf (-8388607.5), 11)
+TEST_INIT_CVT (float, -8388609.0, int, __builtin_iroundf (-8388609.0), 12)
+TEST_INIT_CVT (float, 0.0, int, __builtin_iroundf (-0.0), 13)
+TEST_INIT_CVT (float, -0.0, int, __builtin_iroundf (-0.0), 14)
+TEST_INIT_CVT (float, 2147483520.0, int, __builtin_iroundf (2147483520.0), 15)
+TEST_INIT_CVT (float, 2147483648.0, int, 0x7fffffff, 16)
+TEST_INIT_CVT (float, -2147483648.0, int, __builtin_iroundf (-2147483648.0), 17)
+TEST_INIT_CVT (float, -2147483904.0, int, 0x80000000, 18)
+TEST_INIT_CVT (float, __builtin_inf (), int, __builtin_iroundf (__builtin_inff ()), 19)
+TEST_INIT_CVT (float, -__builtin_inf (), int, __builtin_iroundf (-__builtin_inff ()), 20)
+TEST_INIT_CVT (float, __builtin_nanf (""), int, 0x7fffffff, 21)
+
+int
+main ()
+{
+  RUN_TEST_CVT (float, int, 1, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 2, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 3, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 4, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 5, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 6, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 7, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 8, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 9, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 10, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 11, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 12, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 13, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 14, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 15, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 16, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 17, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 18, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 19, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 20, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+  RUN_TEST_CVT (float, int, 21, __builtin_iroundf, in, out, ref, ARRAY_SIZE);
+
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vls/math-iround-0.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vls/math-iround-0.c
new file mode 100644
index 00000000000..12fe7a22772
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vls/math-iround-0.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv_zvl4096b -mabi=lp64d -O3 --param=riscv-autovec-lmul=m8 -ffast-math -fdump-tree-optimized" } */
+
+#include "def.h"
+
+DEF_OP_V_CVT (iroundf, 1, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 2, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 4, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 8, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 16, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 32, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 64, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 128, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 256, float, int, __builtin_iroundf)
+DEF_OP_V_CVT (iroundf, 512, float, int, __builtin_iroundf)
+
+/* { dg-final { scan-assembler-not {csrr} } } */
+/* { dg-final { scan-tree-dump-not "1,1" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "2,2" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "4,4" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "16,16" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "32,32" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "64,64" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "128,128" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "256,256" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "512,512" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "1024,1024" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "2048,2048" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "4096,4096" "optimized" } } */
+/* { dg-final { scan-assembler-times {vfcvt\.x\.f\.v\s+v[0-9]+,\s*v[0-9]+} 9 } } */
