ART: Mips64 runtime support
Interpret-only Mips64 runtime support.
Change-Id: Iee22d0c8c77105d9b2f03a67dc4e09957fe0ab0a
diff --git a/runtime/arch/mips64/memcmp16_mips64.S b/runtime/arch/mips64/memcmp16_mips64.S
new file mode 100644
index 0000000..962977e
--- /dev/null
+++ b/runtime/arch/mips64/memcmp16_mips64.S
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_ARCH_MIPS64_MEMCMP16_MIPS64_S_
+#define ART_RUNTIME_ARCH_MIPS64_MEMCMP16_MIPS64_S_
+
+#include "asm_support_mips64.S"
+
+.set noreorder
+
+// u4 __memcmp16(const u2*, const u2*, size_t);
+ENTRY_NO_GP __memcmp16
+ move $t0, $zero
+ move $t1, $zero
+ beqz $a2, done /* 0 length string */
+ nop
+ beq $a0, $a1, done /* addresses are identical */
+ nop
+
+1:
+ lhu $t0, 0($a0)
+ lhu $t1, 0($a1)
+ bne $t0, $t1, done
+ nop
+ daddu $a0, 2
+ daddu $a1, 2
+ dsubu $a2, 1
+ bnez $a2, 1b
+ nop
+
+done:
+ dsubu $v0, $t0, $t1
+ j $ra
+ nop
+END __memcmp16
+
+#endif // ART_RUNTIME_ARCH_MIPS64_MEMCMP16_MIPS64_S_