diff --git a/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavg-1.c b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavg-1.c
new file mode 100644
index 00000000000..2177ca3f6f7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavg-1.c
@@ -0,0 +1,398 @@
+/* { dg-do run } */
+/* { dg-options "-mlsx -w -fno-strict-aliasing" } */
+#include "../simd_correctness_check.h"
+#include <lsxintrin.h>
+
+int
+main ()
+{
+  __m128i __m128i_op0, __m128i_op1, __m128i_op2, __m128i_out, __m128i_result;
+  __m128 __m128_op0, __m128_op1, __m128_op2, __m128_out, __m128_result;
+  __m128d __m128d_op0, __m128d_op1, __m128d_op2, __m128d_out, __m128d_result;
+
+  int int_op0, int_op1, int_op2, int_out, int_result, i = 1, fail;
+  long int long_op0, long_op1, long_op2, lont_out, lont_result;
+  long int long_int_out, long_int_result;
+  unsigned int unsigned_int_out, unsigned_int_result;
+  unsigned long int unsigned_long_int_out, unsigned_long_int_result;
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xfff8fff8fff8fff8;
+  *((unsigned long *)&__m128i_op0[0]) = 0xfff8fff8fff8fff8;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0xfffcfffcfffcfffc;
+  *((unsigned long *)&__m128i_result[0]) = 0xfffcfffcfffcfffc;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x4050000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[0]) = 0x2028000000000000;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[0]) = 0xffffffffffffffff;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x67eb85afb2ebb000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xc8847ef6ed3f2000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000014155445;
+  *((unsigned long *)&__m128i_result[1]) = 0x33f5c2d7d9f5d800;
+  *((unsigned long *)&__m128i_result[0]) = 0xe4c23ffb002a3a22;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x007fffff00000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x00000000000f000e;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000000000ffffe;
+  *((unsigned long *)&__m128i_result[1]) = 0x003fffff00070007;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000000007ffff;
+  __m128i_out = __lsx_vavg_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000040;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000040;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000400028000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000004;
+  *((unsigned long *)&__m128i_result[1]) = 0x000000020001c020;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000022;
+  __m128i_out = __lsx_vavg_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x08080807f5f5f5f8;
+  *((unsigned long *)&__m128i_op1[0]) = 0x000000000000ff00;
+  *((unsigned long *)&__m128i_result[1]) = 0x04040403fafafafc;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000000000ff80;
+  __m128i_out = __lsx_vavg_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x10f8000100000001;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00000001000010f8;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x087c000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000000000087c;
+  __m128i_out = __lsx_vavg_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x5641127843c0d41e;
+  *((unsigned long *)&__m128i_op0[0]) = 0xfedb27095b6bff95;
+  *((unsigned long *)&__m128i_op1[1]) = 0xa8beed87bc3f2be1;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0024d8f6a494006a;
+  *((unsigned long *)&__m128i_result[1]) = 0xff7fffffffffffff;
+  *((unsigned long *)&__m128i_result[0]) = 0xff7fffffffffffff;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000000000000ffff;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[0]) = 0xffffffff00007fff;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffff80ff0010ff06;
+  *((unsigned long *)&__m128i_op0[0]) = 0x8000000080000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xedfaedfaedfaedfa;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000000ffff0000;
+  *((unsigned long *)&__m128i_result[1]) = 0xf6fd377cf705f680;
+  *((unsigned long *)&__m128i_result[0]) = 0xc0000000bfff8000;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x3ff0000000007fff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000000002bfd9461;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000f00;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000000ffffff00;
+  *((unsigned long *)&__m128i_result[1]) = 0x1ff800000000477f;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000015fec9b0;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x000000000000006f;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000037;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x003fffff00000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x003fffff00000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x003fffff00000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x003fffff00000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x003fffff00000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x003fffff00000000;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0001000100010001;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0001000100010001;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000800000008000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000800000008000;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xd6a09e662ab46b31;
+  *((unsigned long *)&__m128i_op0[0]) = 0x34b8122ef4054bb3;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0xeb504f33155a3598;
+  *((unsigned long *)&__m128i_result[0]) = 0x1a5c0917fa02a5d9;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0177fff0fffffff0;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00000000011ff8bc;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfffffffefffff784;
+  *((unsigned long *)&__m128i_result[1]) = 0x00bbfff7fffffff7;
+  *((unsigned long *)&__m128i_result[0]) = 0xffffffff008ff820;
+  __m128i_out = __lsx_vavg_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00001802041b0014;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x00000c01020d8009;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000201000000000b;
+  *((unsigned long *)&__m128i_op1[1]) = 0x00000000ffff0000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000200000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x000000007fff8000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0001008100000005;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xfc01fd1300000001;
+  *((unsigned long *)&__m128i_op0[0]) = 0xfe00fd1400010000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000000fff7fc01;
+  *((unsigned long *)&__m128i_result[1]) = 0xfe00fe8980000000;
+  *((unsigned long *)&__m128i_result[0]) = 0xff007e8a7ffc7e00;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[0]) = 0xffffffffffffffff;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[1]) = 0xfffffffe00000002;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffff46000000ba;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffff00000000;
+  *((unsigned long *)&__m128i_result[0]) = 0xffffffa30000005c;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000070007;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000000000007ffff;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000068;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000038003;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000040033;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffff0000ac26;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00ff000000000001;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffff80005613;
+  *((unsigned long *)&__m128i_result[0]) = 0x007f800000000000;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000040000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000040000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x7f8000007f800000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x7f8000007f800000;
+  *((unsigned long *)&__m128i_result[1]) = 0x3fc000005fc00000;
+  *((unsigned long *)&__m128i_result[0]) = 0x3fc000005fc00000;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000020000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000010000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000200000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0002000200000001;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000100000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0001000100000000;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffff00000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffff00000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x00000000fffe0001;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffff0001fffe;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffffffff0000;
+  *((unsigned long *)&__m128i_result[0]) = 0xffffffff0000ffff;
+  __m128i_out = __lsx_vavg_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavg-2.c b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavg-2.c
new file mode 100644
index 00000000000..1b0d879e480
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavg-2.c
@@ -0,0 +1,308 @@
+/* { dg-do run } */
+/* { dg-options "-mlsx -w -fno-strict-aliasing" } */
+#include "../simd_correctness_check.h"
+#include <lsxintrin.h>
+
+int
+main ()
+{
+  __m128i __m128i_op0, __m128i_op1, __m128i_op2, __m128i_out, __m128i_result;
+  __m128 __m128_op0, __m128_op1, __m128_op2, __m128_out, __m128_result;
+  __m128d __m128d_op0, __m128d_op1, __m128d_op2, __m128d_out, __m128d_result;
+
+  int int_op0, int_op1, int_op2, int_out, int_result, i = 1, fail;
+  long int long_op0, long_op1, long_op2, lont_out, lont_result;
+  long int long_int_out, long_int_result;
+  unsigned int unsigned_int_out, unsigned_int_result;
+  unsigned long int unsigned_long_int_out, unsigned_long_int_result;
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000100000001;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x7f7f7f7f7f7f7f7f;
+  *((unsigned long *)&__m128i_result[0]) = 0x7f7f7f7f7f7f7f7f;
+  __m128i_out = __lsx_vavg_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xfffffffffffffffe;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0xfffffffffffffffe;
+  *((unsigned long *)&__m128i_result[0]) = 0x7f7f7f7f7f7f7f7f;
+  __m128i_out = __lsx_vavg_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x7f7f7f7f7f7f7f7f;
+  *((unsigned long *)&__m128i_result[0]) = 0x7f7f7f7f7f7f7f7f;
+  __m128i_out = __lsx_vavg_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000100000001000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x37b951002d81a921;
+  *((unsigned long *)&__m128i_op1[1]) = 0x000000400000004c;
+  *((unsigned long *)&__m128i_op1[0]) = 0x000047404f4f040d;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000082000000826;
+  *((unsigned long *)&__m128i_result[0]) = 0x1b5c4c203e685617;
+  __m128i_out = __lsx_vavg_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x00c2758000bccf42;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00a975be00accf03;
+  *((unsigned long *)&__m128i_op1[1]) = 0x00c2758000bccf42;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00a975be00accf03;
+  *((unsigned long *)&__m128i_result[1]) = 0x00c2758000bccf42;
+  *((unsigned long *)&__m128i_result[0]) = 0x00a975be00accf03;
+  __m128i_out = __lsx_vavg_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0100000001000100;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0100010000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffff732a;
+  *((unsigned long *)&__m128i_result[1]) = 0x807f7fff807f807f;
+  *((unsigned long *)&__m128i_result[0]) = 0x807f807f7fff3995;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x000000007f7f7f7f;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfffffffffffffff0;
+  *((unsigned long *)&__m128i_result[1]) = 0x000000003fbf3fbf;
+  *((unsigned long *)&__m128i_result[0]) = 0x7fff7fff7fff7ff8;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0101010101010101;
+  *((unsigned long *)&__m128i_op0[0]) = 0x353c8cc4b1ec5b09;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffff00000000ffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x8080008000808080;
+  *((unsigned long *)&__m128i_result[0]) = 0x1a9e466258f62d84;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000158;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x00000000000000ac;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x9c9c9c9c00000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000020;
+  *((unsigned long *)&__m128i_result[1]) = 0x4e4e4e4e00000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000010;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000868686868686;
+  *((unsigned long *)&__m128i_op1[1]) = 0x1e1e1e1e1e1e1e1e;
+  *((unsigned long *)&__m128i_op1[0]) = 0x1e1e1e1e1e1e1e1e;
+  *((unsigned long *)&__m128i_result[1]) = 0x0f0f0f0f0f0f0f0f;
+  *((unsigned long *)&__m128i_result[0]) = 0x0f0f525252525252;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000014eb54ab;
+  *((unsigned long *)&__m128i_op0[0]) = 0x14eb6a002a406a00;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000000ffdfdc0d;
+  *((unsigned long *)&__m128i_result[1]) = 0x000000000a752a55;
+  *((unsigned long *)&__m128i_result[0]) = 0x0a753500950fa306;
+  __m128i_out = __lsx_vavg_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xfffff00010000fff;
+  *((unsigned long *)&__m128i_op0[0]) = 0xfffff00010000fff;
+  *((unsigned long *)&__m128i_op1[1]) = 0xfffff00010000fff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfffff00010000fff;
+  *((unsigned long *)&__m128i_result[1]) = 0xfffff00010000fff;
+  *((unsigned long *)&__m128i_result[0]) = 0xfffff00010000fff;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000002ffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000017fffffff;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0101000100010001;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0101030100010001;
+  *((unsigned long *)&__m128i_result[1]) = 0x0080800000008000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0080818000008000;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000400000004;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000400000004;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000200000002;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000200000002;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0017004800c400f9;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00ed001a00580070;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffff7ffffffffe;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000000fffffffe;
+  *((unsigned long *)&__m128i_result[1]) = 0x800b7fe38062007b;
+  *((unsigned long *)&__m128i_result[0]) = 0x0076800d802c0037;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xff80ffa2fff0ff74;
+  *((unsigned long *)&__m128i_op0[0]) = 0xff76ffd8ffe6ffaa;
+  *((unsigned long *)&__m128i_op1[1]) = 0xc0b4d1a5f8babad3;
+  *((unsigned long *)&__m128i_op1[0]) = 0xbbc8ecc5f3ced5f3;
+  *((unsigned long *)&__m128i_result[1]) = 0xe01ae8a3fc55dd23;
+  *((unsigned long *)&__m128i_result[0]) = 0xdd9ff64ef9daeace;
+  __m128i_out = __lsx_vavg_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00000000ffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000007fffffff;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x3f80000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x3f80000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000ff000000ff00;
+  *((unsigned long *)&__m128i_result[1]) = 0x1fc0000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x1fc07f8000007f80;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000043cf26c7;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000e31d4cae8636;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000021e79364;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000718ea657431b;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xfff0000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfff0000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x7ff8000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x7ff8000000000000;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffff80ffff7e02;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00feff8000ff80ff;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000ffff0000ffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xf931fd04f832fe02;
+  *((unsigned long *)&__m128i_result[1]) = 0x80007fc000003f00;
+  *((unsigned long *)&__m128i_result[0]) = 0x7d187e427c993f80;
+  __m128i_out = __lsx_vavg_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavgr-1.c b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavgr-1.c
new file mode 100644
index 00000000000..4b726253742
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavgr-1.c
@@ -0,0 +1,299 @@
+/* { dg-do run } */
+/* { dg-options "-mlsx -w -fno-strict-aliasing" } */
+#include "../simd_correctness_check.h"
+#include <lsxintrin.h>
+
+int
+main ()
+{
+  __m128i __m128i_op0, __m128i_op1, __m128i_op2, __m128i_out, __m128i_result;
+  __m128 __m128_op0, __m128_op1, __m128_op2, __m128_out, __m128_result;
+  __m128d __m128d_op0, __m128d_op1, __m128d_op2, __m128d_out, __m128d_result;
+
+  int int_op0, int_op1, int_op2, int_out, int_result, i = 1, fail;
+  long int long_op0, long_op1, long_op2, lont_out, lont_result;
+  long int long_int_out, long_int_result;
+  unsigned int unsigned_int_out, unsigned_int_result;
+  unsigned long int unsigned_long_int_out, unsigned_long_int_result;
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000800000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0040000000ff00ff;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0040000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0020000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0020c00000000000;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xb9fe3640e4eb1b18;
+  *((unsigned long *)&__m128i_op0[0]) = 0x800000005b4b1b18;
+  *((unsigned long *)&__m128i_op1[1]) = 0xfffd000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0xdcfe1b20f2f60e0c;
+  *((unsigned long *)&__m128i_result[0]) = 0xc00000002e260e0c;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x111110ff11111141;
+  *((unsigned long *)&__m128i_op0[0]) = 0x1111113111111121;
+  *((unsigned long *)&__m128i_op1[1]) = 0xfbffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0x7bffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x060808ff08080820;
+  *((unsigned long *)&__m128i_result[0]) = 0x4608081808080810;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x000000ff000000ff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000010;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000010;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x000000000000fff0;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000008;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x000000000000ac26;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffff80000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000060000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x000003000000d613;
+  *((unsigned long *)&__m128i_result[0]) = 0x00000000c0000000;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_b (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffe5;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffffffe5;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0xfffffffffffffff2;
+  *((unsigned long *)&__m128i_result[0]) = 0xfffffffffffffff2;
+  __m128i_out = __lsx_vavgr_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000073;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000000000000002a;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000100000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x000000000000003a;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000100000015;
+  __m128i_out = __lsx_vavgr_h (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000004000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfff8004000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000002000;
+  *((unsigned long *)&__m128i_result[0]) = 0xfffc002000000000;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000002000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xfffc002000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000002000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfffc002000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000002000;
+  *((unsigned long *)&__m128i_result[0]) = 0xfffc002000000000;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000000ff00000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x000000ff00000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000ff00000000;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x000000007fff0018;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000003fff800c;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0280000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x7500000075000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x7500000075000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x3a8000003a800000;
+  *((unsigned long *)&__m128i_result[0]) = 0x3bc000003a800000;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffff800000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00007d1800007c99;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0a0000001e000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0a621b3ebe5e1c02;
+  *((unsigned long *)&__m128i_result[1]) = 0x04ffc0000f000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x05314c2bdf2f4c4e;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000002000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000002000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000001000000001;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000001000000000;
+  __m128i_out = __lsx_vavgr_w (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffff00000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0xffffffff80000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[1]) = 0x7f8000007f800000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x7f8000007f800000;
+  *((unsigned long *)&__m128i_result[1]) = 0x3fc000003fc00000;
+  *((unsigned long *)&__m128i_result[0]) = 0x3fc000003fc00000;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x7fffffff7fffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x3fffffffc0000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xff00ff00ff00ff00;
+  *((unsigned long *)&__m128i_op1[0]) = 0xff00ff00ff00ff00;
+  *((unsigned long *)&__m128i_result[1]) = 0xff807f807f807f80;
+  *((unsigned long *)&__m128i_result[0]) = 0xff807f807f807f80;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000002;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000002;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000280000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000140001;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xfffffffffffffffe;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffffff46;
+  *((unsigned long *)&__m128i_op1[1]) = 0x00fe00fe00fe00fe;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00fe00fe00fe0045;
+  *((unsigned long *)&__m128i_result[1]) = 0x007f007f007f007e;
+  *((unsigned long *)&__m128i_result[0]) = 0x007f007f007effc6;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x67eb85afb2ebb000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xc8847ef6ed3f2000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xfffffffffffffffc;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfffffffffffffffc;
+  *((unsigned long *)&__m128i_result[1]) = 0x33f5c2d7d975d7fe;
+  *((unsigned long *)&__m128i_result[0]) = 0xe4423f7b769f8ffe;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000003ff8;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xff9dff9dff9dff9d;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0xffceffceffcf1fcb;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x3a8000003a800000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x3bc000003a800000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x00fe00fe7fffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x1d4000001d400000;
+  *((unsigned long *)&__m128i_result[0]) = 0x1e5f007f5d400000;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000000000000ff00;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000800000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000400000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000007f80;
+  __m128i_out = __lsx_vavgr_d (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavgr-2.c b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavgr-2.c
new file mode 100644
index 00000000000..22908b1ea19
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/vector/lsx/lsx-vavgr-2.c
@@ -0,0 +1,317 @@
+/* { dg-do run } */
+/* { dg-options "-mlsx -w -fno-strict-aliasing" } */
+#include "../simd_correctness_check.h"
+#include <lsxintrin.h>
+
+int
+main ()
+{
+  __m128i __m128i_op0, __m128i_op1, __m128i_op2, __m128i_out, __m128i_result;
+  __m128 __m128_op0, __m128_op1, __m128_op2, __m128_out, __m128_result;
+  __m128d __m128d_op0, __m128d_op1, __m128d_op2, __m128d_out, __m128d_result;
+
+  int int_op0, int_op1, int_op2, int_out, int_result, i = 1, fail;
+  long int long_op0, long_op1, long_op2, lont_out, lont_result;
+  long int long_int_out, long_int_result;
+  unsigned int unsigned_int_out, unsigned_int_result;
+  unsigned long int unsigned_long_int_out, unsigned_long_int_result;
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xfffffffff8f8dada;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffff01018888;
+  *((unsigned long *)&__m128i_op1[1]) = 0xfffffffff8f8dada;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffff01018888;
+  *((unsigned long *)&__m128i_result[1]) = 0xfffffffff8f8dada;
+  *((unsigned long *)&__m128i_result[0]) = 0xffffffff01018888;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x7fffffffffffffff;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x4080808080808080;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x7fff7fff7fff7fff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x000000010000003f;
+  *((unsigned long *)&__m128i_op1[1]) = 0x7fff7fff7fff7fff;
+  *((unsigned long *)&__m128i_op1[0]) = 0x000000010000003f;
+  *((unsigned long *)&__m128i_result[1]) = 0x7fff7fff7fff7fff;
+  *((unsigned long *)&__m128i_result[0]) = 0x000000010000003f;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000ffffffff0000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffffff00;
+  *((unsigned long *)&__m128i_op1[1]) = 0x1817161517161514;
+  *((unsigned long *)&__m128i_op1[0]) = 0x1615141315141312;
+  *((unsigned long *)&__m128i_result[1]) = 0x0c0c8b8a8b8b0b0a;
+  *((unsigned long *)&__m128i_result[0]) = 0x8b8a8a898a8a8909;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x00003fff00003fff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x00003fff00003fff;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000208000002080;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000208000002080;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffd60015;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x80808080806b000b;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x7fff010181010102;
+  *((unsigned long *)&__m128i_op0[0]) = 0x7fffffff81010102;
+  *((unsigned long *)&__m128i_op1[1]) = 0x7fff010181010102;
+  *((unsigned long *)&__m128i_op1[0]) = 0x7fffffff81010102;
+  *((unsigned long *)&__m128i_result[1]) = 0x7fff010181010102;
+  *((unsigned long *)&__m128i_result[0]) = 0x7fffffff81010102;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_bu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[1]) = 0xc1bdceee242071db;
+  *((unsigned long *)&__m128i_op1[0]) = 0xe8c7b756d76aa578;
+  *((unsigned long *)&__m128i_result[1]) = 0xe0dee7779210b8ed;
+  *((unsigned long *)&__m128i_result[0]) = 0xf463dbabebb5d2bc;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xff80000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xff80000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xff80000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xff80000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0xff80000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0xff80000000000000;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000800000008;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x00007fff00007fff;
+  *((unsigned long *)&__m128i_op1[0]) = 0x000000002bfd9461;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000400400004004;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000015ff4a31;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x2a7b7c9260f90ee2;
+  *((unsigned long *)&__m128i_op1[0]) = 0x1b1c6cdfd57f5736;
+  *((unsigned long *)&__m128i_result[1]) = 0x153e3e49307d0771;
+  *((unsigned long *)&__m128i_result[0]) = 0x0d8e36706ac02b9b;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xdd6156076967d8c9;
+  *((unsigned long *)&__m128i_op0[0]) = 0x2e3ab5266375e71b;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000400000004;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000400000004;
+  *((unsigned long *)&__m128i_result[1]) = 0x6eb12b0634b46c67;
+  *((unsigned long *)&__m128i_result[0]) = 0x171d5a9531bb7390;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000f50000000900;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000090900000998;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x00007a8000000480;
+  *((unsigned long *)&__m128i_result[0]) = 0x00000485000004cc;
+  __m128i_out = __lsx_vavgr_hu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x00003ff000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000fffc00000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfffc001fffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x00001ff800000001;
+  *((unsigned long *)&__m128i_result[0]) = 0x7ffe800e80000000;
+  __m128i_out = __lsx_vavgr_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x00000000ffff53d9;
+  *((unsigned long *)&__m128i_op0[0]) = 0xff000001ffff9515;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000001;
+  *((unsigned long *)&__m128i_result[1]) = 0x000000007fffa9ed;
+  *((unsigned long *)&__m128i_result[0]) = 0x7f8000017fffca8b;
+  __m128i_out = __lsx_vavgr_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xfffffffdfffffff8;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x7fffffff7ffffffc;
+  __m128i_out = __lsx_vavgr_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x00000001fffeff98;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0014ffe4ff76ffc4;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x3131313131313131;
+  *((unsigned long *)&__m128i_result[1]) = 0x000000017fff7fcc;
+  *((unsigned long *)&__m128i_result[0]) = 0x18a3188b9854187b;
+  __m128i_out = __lsx_vavgr_wu (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffff0000ffff0000;
+  *((unsigned long *)&__m128i_op0[0]) = 0xffff000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffff0000ffff0000;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffff000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0xffff0000ffff0000;
+  *((unsigned long *)&__m128i_result[0]) = 0xffff000000000000;
+  __m128i_out = __lsx_vavgr_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000001c88bf0;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000001c88bf0;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000001c88bf0;
+  __m128i_out = __lsx_vavgr_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op0[0]) = 0x807fffff80800000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0006000000040000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0002000000000007;
+  *((unsigned long *)&__m128i_result[1]) = 0x8003000000020000;
+  *((unsigned long *)&__m128i_result[0]) = 0x4040ffffc0400004;
+  __m128i_out = __lsx_vavgr_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000010000010101;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0101000001000100;
+  *((unsigned long *)&__m128i_op1[1]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_op1[0]) = 0xffffffffffffffff;
+  *((unsigned long *)&__m128i_result[1]) = 0x8000008000008080;
+  *((unsigned long *)&__m128i_result[0]) = 0x8080800000800080;
+  __m128i_out = __lsx_vavgr_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  *((unsigned long *)&__m128i_op0[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op0[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_op1[0]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[1]) = 0x0000000000000000;
+  *((unsigned long *)&__m128i_result[0]) = 0x0000000000000000;
+  __m128i_out = __lsx_vavgr_du (__m128i_op0, __m128i_op1);
+  ASSERTEQ_64 (__LINE__, __m128i_result, __m128i_out);
+
+  return 0;
+}
