diff --git a/libc/arch-mips/string/strchr.c b/libc/arch-mips/string/strchr.c
new file mode 100644
index 0000000..c9397e7
--- /dev/null
+++ b/libc/arch-mips/string/strchr.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2017 Imagination Technologies.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      * Redistributions of source code must retain the above copyright
+ *        notice, this list of conditions and the following disclaimer.
+ *      * Redistributions in binary form must reproduce the above copyright
+ *        notice, this list of conditions and the following disclaimer
+ *        in the documentation and/or other materials provided with
+ *        the distribution.
+ *      * Neither the name of Imagination Technologies nor the names of its
+ *        contributors may be used to endorse or promote products derived
+ *        from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string.h>
+
+#define op_t        unsigned long int
+#define op_size     sizeof (op_t)
+
+#if __mips64
+typedef struct
+{
+  op_t B0:8, B1:8, B2:8, B3:8, B4:8, B5:8, B6:8, B7:8;
+} bits_t;
+#else
+typedef struct
+{
+  op_t B0:8, B1:8, B2:8, B3:8;
+} bits_t;
+#endif
+
+typedef union
+{
+  op_t v;
+  bits_t b;
+} bitfields_t;
+
+#define DO_BYTE(i)                  \
+  if (a.b.B##i != ch) {             \
+    if(a.b.B##i == '\0') return 0;  \
+    p++;                            \
+  } else                            \
+    return (char *)p;
+
+#define DO_WORD(w, cnt) {                            \
+  op_t val = w[cnt] ^ mask_c;                        \
+  if ((((w[cnt] - mask_1) & ~w[cnt]) & mask_128) ||  \
+    (((val - mask_1) & ~val) & mask_128)) {          \
+    return do_bytes(w + cnt, ch);                    \
+  }                                                  \
+}
+
+static inline char * __attribute__ ((always_inline))
+do_bytes (const op_t* w, unsigned char ch)
+{
+  bitfields_t a;
+  unsigned char* p = (unsigned char *) w;
+  a.v = *w;
+#if __mips64
+  DO_BYTE(0)
+  DO_BYTE(1)
+  DO_BYTE(2)
+  DO_BYTE(3)
+  DO_BYTE(4)
+  DO_BYTE(5)
+  DO_BYTE(6)
+  DO_BYTE(7)
+#else
+  DO_BYTE(0)
+  DO_BYTE(1)
+  DO_BYTE(2)
+  DO_BYTE(3)
+#endif
+  return (char *)p;
+}
+
+char* strchr(const char* s, int c) __overloadable
+{
+  const op_t *w;
+  op_t mask_1, mask_128, mask_c;
+  const unsigned char ch = c;
+  unsigned char* p = (unsigned char *) s;
+
+  /*
+   * Check byte by byte till initial alignment
+   */
+  for ( ; *p != ch && ((size_t) p % op_size) != 0; p++)
+    if (*p == '\0')
+      return 0;
+
+  if (*p != ch) {
+    w = (const op_t *) p;
+
+    mask_c = ch | (ch << 8);
+    mask_c |= mask_c << 16;
+    __asm__ volatile (
+      "li %0, 0x01010101 \n\t"
+      : "=r" (mask_1)
+    );
+#if __mips64
+    mask_1 |= mask_1 << 32;
+    mask_c |= mask_c << 32;
+#endif
+    mask_128 = mask_1 << 7;
+
+    /*
+     * Check word/dword wize after initial alignment till character match
+     * or end of string
+     */
+    while (1) {
+      DO_WORD(w, 0)
+      DO_WORD(w, 1)
+      DO_WORD(w, 2)
+      DO_WORD(w, 3)
+      w += 4;
+    }
+  }
+
+  return (char *)p;
+}