diff --git a/gcc/config/loongarch/lasx.md b/gcc/config/loongarch/lasx.md
index 2bc5d47ed4a72c5bec46bfa50165ad590ee58d8b..c7496d68af57c256eb620c7e1c85d50498abb974 100644
--- a/gcc/config/loongarch/lasx.md
+++ b/gcc/config/loongarch/lasx.md
@@ -5171,3 +5171,81 @@
const0_rtx));
DONE;
})
+
+(define_expand "avg<mode>3_ceil"
+ [(match_operand:ILASX_WHB 0 "register_operand")
+ (match_operand:ILASX_WHB 1 "register_operand")
+ (match_operand:ILASX_WHB 2 "register_operand")]
+ "ISA_HAS_LASX"
+{
+ emit_insn (gen_lasx_xvavgr_s_<lasxfmt> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "uavg<mode>3_ceil"
+ [(match_operand:ILASX_WHB 0 "register_operand")
+ (match_operand:ILASX_WHB 1 "register_operand")
+ (match_operand:ILASX_WHB 2 "register_operand")]
+ "ISA_HAS_LASX"
+{
+ emit_insn (gen_lasx_xvavgr_u_<lasxfmt_u> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "avg<mode>3_floor"
+ [(match_operand:ILASX_WHB 0 "register_operand")
+ (match_operand:ILASX_WHB 1 "register_operand")
+ (match_operand:ILASX_WHB 2 "register_operand")]
+ "ISA_HAS_LASX"
+{
+ emit_insn (gen_lasx_xvavg_s_<lasxfmt> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "uavg<mode>3_floor"
+ [(match_operand:ILASX_WHB 0 "register_operand")
+ (match_operand:ILASX_WHB 1 "register_operand")
+ (match_operand:ILASX_WHB 2 "register_operand")]
+ "ISA_HAS_LASX"
+{
+ emit_insn (gen_lasx_xvavg_u_<lasxfmt_u> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "usadv32qi"
+ [(match_operand:V8SI 0 "register_operand")
+ (match_operand:V32QI 1 "register_operand")
+ (match_operand:V32QI 2 "register_operand")
+ (match_operand:V8SI 3 "register_operand")]
+ "ISA_HAS_LASX"
+{
+ rtx t1 = gen_reg_rtx (V32QImode);
+ rtx t2 = gen_reg_rtx (V16HImode);
+ rtx t3 = gen_reg_rtx (V8SImode);
+ emit_insn (gen_lasx_xvabsd_u_bu (t1, operands[1], operands[2]));
+ emit_insn (gen_lasx_xvhaddw_h_b (t2, t1, t1));
+ emit_insn (gen_lasx_xvhaddw_w_h (t3, t2, t2));
+ emit_insn (gen_addv8si3 (operands[0], t3, operands[3]));
+ DONE;
+})
+
+(define_expand "ssadv32qi"
+ [(match_operand:V8SI 0 "register_operand")
+ (match_operand:V32QI 1 "register_operand")
+ (match_operand:V32QI 2 "register_operand")
+ (match_operand:V8SI 3 "register_operand")]
+ "ISA_HAS_LASX"
+{
+ rtx t1 = gen_reg_rtx (V32QImode);
+ rtx t2 = gen_reg_rtx (V16HImode);
+ rtx t3 = gen_reg_rtx (V8SImode);
+ emit_insn (gen_lasx_xvabsd_s_b (t1, operands[1], operands[2]));
+ emit_insn (gen_lasx_xvhaddw_h_b (t2, t1, t1));
+ emit_insn (gen_lasx_xvhaddw_w_h (t3, t2, t2));
+ emit_insn (gen_addv8si3 (operands[0], t3, operands[3]));
+ DONE;
+})
diff --git a/gcc/config/loongarch/lsx.md b/gcc/config/loongarch/lsx.md
index 075f6ba569d7a7a00b99e3e3967e28d03521d89c..b4e92ae9c547540abb2e2806e77001b26a74e4de 100644
--- a/gcc/config/loongarch/lsx.md
+++ b/gcc/config/loongarch/lsx.md
@@ -3581,6 +3581,84 @@
DONE;
})
+(define_expand "avg<mode>3_ceil"
+ [(match_operand:ILSX_WHB 0 "register_operand")
+ (match_operand:ILSX_WHB 1 "register_operand")
+ (match_operand:ILSX_WHB 2 "register_operand")]
+ "ISA_HAS_LSX"
+{
+ emit_insn (gen_lsx_vavgr_s_<lsxfmt> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "uavg<mode>3_ceil"
+ [(match_operand:ILSX_WHB 0 "register_operand")
+ (match_operand:ILSX_WHB 1 "register_operand")
+ (match_operand:ILSX_WHB 2 "register_operand")]
+ "ISA_HAS_LSX"
+{
+ emit_insn (gen_lsx_vavgr_u_<lsxfmt_u> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "avg<mode>3_floor"
+ [(match_operand:ILSX_WHB 0 "register_operand")
+ (match_operand:ILSX_WHB 1 "register_operand")
+ (match_operand:ILSX_WHB 2 "register_operand")]
+ "ISA_HAS_LSX"
+{
+ emit_insn (gen_lsx_vavg_s_<lsxfmt> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "uavg<mode>3_floor"
+ [(match_operand:ILSX_WHB 0 "register_operand")
+ (match_operand:ILSX_WHB 1 "register_operand")
+ (match_operand:ILSX_WHB 2 "register_operand")]
+ "ISA_HAS_LSX"
+{
+ emit_insn (gen_lsx_vavg_u_<lsxfmt_u> (operands[0],
+ operands[1], operands[2]));
+ DONE;
+})
+
+(define_expand "usadv16qi"
+ [(match_operand:V4SI 0 "register_operand")
+ (match_operand:V16QI 1 "register_operand")
+ (match_operand:V16QI 2 "register_operand")
+ (match_operand:V4SI 3 "register_operand")]
+ "ISA_HAS_LSX"
+{
+ rtx t1 = gen_reg_rtx (V16QImode);
+ rtx t2 = gen_reg_rtx (V8HImode);
+ rtx t3 = gen_reg_rtx (V4SImode);
+ emit_insn (gen_lsx_vabsd_u_bu (t1, operands[1], operands[2]));
+ emit_insn (gen_lsx_vhaddw_h_b (t2, t1, t1));
+ emit_insn (gen_lsx_vhaddw_w_h (t3, t2, t2));
+ emit_insn (gen_addv4si3 (operands[0], t3, operands[3]));
+ DONE;
+})
+
+(define_expand "ssadv16qi"
+ [(match_operand:V4SI 0 "register_operand")
+ (match_operand:V16QI 1 "register_operand")
+ (match_operand:V16QI 2 "register_operand")
+ (match_operand:V4SI 3 "register_operand")]
+ "ISA_HAS_LSX"
+{
+ rtx t1 = gen_reg_rtx (V16QImode);
+ rtx t2 = gen_reg_rtx (V8HImode);
+ rtx t3 = gen_reg_rtx (V4SImode);
+ emit_insn (gen_lsx_vabsd_s_b (t1, operands[1], operands[2]));
+ emit_insn (gen_lsx_vhaddw_h_b (t2, t1, t1));
+ emit_insn (gen_lsx_vhaddw_w_h (t3, t2, t2));
+ emit_insn (gen_addv4si3 (operands[0], t3, operands[3]));
+ DONE;
+})
+
(define_insn "lsx_v<optab>wev_d_w<u>"
[(set (match_operand:V2DI 0 "register_operand" "=f")
(addsubmul:V2DI
diff --git a/gcc/testsuite/gcc.target/loongarch/avg-ceil-lasx.c b/gcc/testsuite/gcc.target/loongarch/avg-ceil-lasx.c
new file mode 100644
index 0000000000000000000000000000000000000000..16db7bf723748094106471e82f9fa63a2c4ddf83
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/avg-ceil-lasx.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -mlasx" } */
+/* { dg-final { scan-assembler "xvavgr.b" } } */
+/* { dg-final { scan-assembler "xvavgr.bu" } } */
+/* { dg-final { scan-assembler "xvavgr.hu" } } */
+/* { dg-final { scan-assembler "xvavgr.h" } } */
+
+#define N 1024
+
+#define TEST(TYPE, NAME) \
+ TYPE a_##NAME[N], b_##NAME[N], c_##NAME[N]; \
+ void f_##NAME (void) \
+ { \
+ int i; \
+ for (i = 0; i < N; i++) \
+ a_##NAME[i] = (b_##NAME[i] + c_##NAME[i] + 1) >> 1; \
+ }
+
+TEST(char, 1);
+TEST(short, 2);
+TEST(unsigned char, 3);
+TEST(unsigned short, 4);
diff --git a/gcc/testsuite/gcc.target/loongarch/avg-ceil-lsx.c b/gcc/testsuite/gcc.target/loongarch/avg-ceil-lsx.c
new file mode 100644
index 0000000000000000000000000000000000000000..94119c23b9377a076c5e261193bedf21ae2a8d81
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/avg-ceil-lsx.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -mlsx" } */
+/* { dg-final { scan-assembler "vavgr.b" } } */
+/* { dg-final { scan-assembler "vavgr.bu" } } */
+/* { dg-final { scan-assembler "vavgr.hu" } } */
+/* { dg-final { scan-assembler "vavgr.h" } } */
+
+#define N 1024
+
+#define TEST(TYPE, NAME) \
+ TYPE a_##NAME[N], b_##NAME[N], c_##NAME[N]; \
+ void f_##NAME (void) \
+ { \
+ int i; \
+ for (i = 0; i < N; i++) \
+ a_##NAME[i] = (b_##NAME[i] + c_##NAME[i] + 1) >> 1; \
+ }
+
+TEST(char, 1);
+TEST(short, 2);
+TEST(unsigned char, 3);
+TEST(unsigned short, 4);
diff --git a/gcc/testsuite/gcc.target/loongarch/avg-floor-lasx.c b/gcc/testsuite/gcc.target/loongarch/avg-floor-lasx.c
new file mode 100644
index 0000000000000000000000000000000000000000..da6896531b9116a8804f04f2305e1af8e719bde3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/avg-floor-lasx.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -mlasx" } */
+/* { dg-final { scan-assembler "xvavg.b" } } */
+/* { dg-final { scan-assembler "xvavg.bu" } } */
+/* { dg-final { scan-assembler "xvavg.hu" } } */
+/* { dg-final { scan-assembler "xvavg.h" } } */
+
+#define N 1024
+
+#define TEST(TYPE, NAME) \
+ TYPE a_##NAME[N], b_##NAME[N], c_##NAME[N]; \
+ void f_##NAME (void) \
+ { \
+ int i; \
+ for (i = 0; i < N; i++) \
+ a_##NAME[i] = (b_##NAME[i] + c_##NAME[i]) >> 1; \
+ }
+
+TEST(char, 1);
+TEST(short, 2);
+TEST(unsigned char, 3);
+TEST(unsigned short, 4);
diff --git a/gcc/testsuite/gcc.target/loongarch/avg-floor-lsx.c b/gcc/testsuite/gcc.target/loongarch/avg-floor-lsx.c
new file mode 100644
index 0000000000000000000000000000000000000000..bbb9db527a33ac4947f903c328f9ee3ae3e387c6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/avg-floor-lsx.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -mlsx" } */
+/* { dg-final { scan-assembler "vavg.b" } } */
+/* { dg-final { scan-assembler "vavg.bu" } } */
+/* { dg-final { scan-assembler "vavg.hu" } } */
+/* { dg-final { scan-assembler "vavg.h" } } */
+
+#define N 1024
+
+#define TEST(TYPE, NAME) \
+ TYPE a_##NAME[N], b_##NAME[N], c_##NAME[N]; \
+ void f_##NAME (void) \
+ { \
+ int i; \
+ for (i = 0; i < N; i++) \
+ a_##NAME[i] = (b_##NAME[i] + c_##NAME[i]) >> 1; \
+ }
+
+TEST(char, 1);
+TEST(short, 2);
+TEST(unsigned char, 3);
+TEST(unsigned short, 4);
diff --git a/gcc/testsuite/gcc.target/loongarch/sad-lasx.c b/gcc/testsuite/gcc.target/loongarch/sad-lasx.c
new file mode 100644
index 0000000000000000000000000000000000000000..6c0cdfd97b4385cfaad644a222daf0575cc385c7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/sad-lasx.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -mlasx" } */
+
+#define N 1024
+
+#define TEST(SIGN) \
+ SIGN char a_##SIGN[N], b_##SIGN[N]; \
+ int f_##SIGN (void) \
+ { \
+ int i, sum = 0; \
+ for (i = 0; i < N; i++) \
+ sum += __builtin_abs (a_##SIGN[i] - b_##SIGN[i]);; \
+ return sum; \
+ }
+
+TEST(signed);
+TEST(unsigned);
+
+/* { dg-final { scan-assembler {\txvabsd.bu\t} } } */
+/* { dg-final { scan-assembler {\txvabsd.b\t} } } */
diff --git a/gcc/testsuite/gcc.target/loongarch/sad-lsx.c b/gcc/testsuite/gcc.target/loongarch/sad-lsx.c
new file mode 100644
index 0000000000000000000000000000000000000000..b92110a8b2cbe7158aee5e7bcc25de1c1708f892
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/sad-lsx.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -mlsx" } */
+
+#define N 1024
+
+#define TEST(SIGN) \
+ SIGN char a_##SIGN[N], b_##SIGN[N]; \
+ int f_##SIGN (void) \
+ { \
+ int i, sum = 0; \
+ for (i = 0; i < N; i++) \
+ sum += __builtin_abs (a_##SIGN[i] - b_##SIGN[i]);; \
+ return sum; \
+ }
+
+TEST(signed);
+TEST(unsigned);
+
+/* { dg-final { scan-assembler {\tvabsd.bu\t} } } */
+/* { dg-final { scan-assembler {\tvabsd.b\t} } } */