Add vbitseli.b

README.md

@@ -390,8 +390,6 @@ Vector Multiplication High
 
 ### vshuf4i.b/h/w/d
 
-### vbitseli.b
-
 ### vori.b
 
 ### vxori.b

code/vbitseli_b.cpp

@@ -0,0 +1,15 @@
+#include "common.h"
+
+v128 vbitseli_b(v128 a, v128 b, int imm) {
+  v128 dst;
+#include "vbitseli_b.h"
+  return dst;
+}
+
+void test() {
+	FUZZ2(vbitseli_b, 0x00);
+	FUZZ2(vbitseli_b, 0x01);
+	FUZZ2(vbitseli_b, 0x01);
+	FUZZ2(vbitseli_b, 0x80);
+	FUZZ2(vbitseli_b, 0xFF);
+	}

code/vbitseli_b.h

@@ -0,0 +1,3 @@
+for (int i = 0; i < 16; i++) {
+  dst.byte[i] = (~a.byte[i] & b.byte[i]) | (a.byte[i] & (u8)imm);
+}

docs/lsx_bitops/vbitwise.md

@@ -21,6 +21,27 @@ Compute bitwise selection: for each bit position, if the bit in `c` equals to on
 {% include 'vbitsel_v.h' %}
 ```
 
+## __m128i __lsx_vbitseli_b (__m128i a, __m128i b, imm0_255 imm)
+
+### Synopsis
+
+```c++
+__m128i __lsx_vbitseli_b (__m128i a, __m128i b, imm0_255 imm)
+#include <lsxintrin.h>
+Instruction: vbitseli.b vr, vr, imm
+CPU Flags: LSX
+```
+
+### Description
+
+Compute bitwise selection: for each bit position, if the bit in `a` equals to one, copy the bit from `imm` to `dst`, otherwise copy from `b`.
+
+### Operation
+
+```c++
+{% include 'vbitseli_b.h' %}
+```
+
 {{ vbitclr('b') }}
 {{ vbitclr('h') }}
 {{ vbitclr('w') }}