1 files changed, 103 insertions, 0 deletions
diff --git a/target/arm/op_addsub.h b/target/arm/op_addsub.h
new file mode 100644
index 0000000000..ca4a1893c3
--- /dev/null
+++ b/target/arm/op_addsub.h
@@ -0,0 +1,103 @@
+/*
+ * ARMv6 integer SIMD operations.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the GPL.
+ */
+
+#ifdef ARITH_GE
+#define GE_ARG , void *gep
+#define DECLARE_GE uint32_t ge = 0
+#define SET_GE *(uint32_t *)gep = ge
+#else
+#define GE_ARG
+#define DECLARE_GE do{}while(0)
+#define SET_GE do{}while(0)
+#endif
+
+#define RESULT(val, n, width) \
+    res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width)
+
+uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    ADD16(a, b, 0);
+    ADD16(a >> 16, b >> 16, 1);
+    SET_GE;
+    return res;
+}
+
+uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    ADD8(a, b, 0);
+    ADD8(a >> 8, b >> 8, 1);
+    ADD8(a >> 16, b >> 16, 2);
+    ADD8(a >> 24, b >> 24, 3);
+    SET_GE;
+    return res;
+}
+
+uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    SUB16(a, b, 0);
+    SUB16(a >> 16, b >> 16, 1);
+    SET_GE;
+    return res;
+}
+
+uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    SUB8(a, b, 0);
+    SUB8(a >> 8, b >> 8, 1);
+    SUB8(a >> 16, b >> 16, 2);
+    SUB8(a >> 24, b >> 24, 3);
+    SET_GE;
+    return res;
+}
+
+uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    ADD16(a, b >> 16, 0);
+    SUB16(a >> 16, b, 1);
+    SET_GE;
+    return res;
+}
+
+uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    SUB16(a, b >> 16, 0);
+    ADD16(a >> 16, b, 1);
+    SET_GE;
+    return res;
+}
+
+#undef GE_ARG
+#undef DECLARE_GE
+#undef SET_GE
+#undef RESULT
+
+#undef ARITH_GE
+#undef PFX
+#undef ADD16
+#undef SUB16
+#undef ADD8
+#undef SUB8