ARMv7 support.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3572 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 106 insertions, 0 deletions

diff --git a/target-arm/op_addsub.h b/target-arm/op_addsub.h
new file mode 100644
index 000000000..d15360d80
--- /dev/null
+++ b/target-arm/op_addsub.h
@@ -0,0 +1,106 @@
+/*
+ * ARMv6 integer SIMD operations.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licenced under the GPL.
+ */
+
+#ifdef ARITH_GE
+#define DECLARE_GE uint32_t ge = 0
+#define SET_GE env->GE = ge
+#else
+#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)
+
+void OPPROTO glue(glue(op_,PFX),add16_T0_T1)(void)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    ADD16(T0, T1, 0);
+    ADD16(T0 >> 16, T1 >> 16, 1);
+    SET_GE;
+    T0 = res;
+    FORCE_RET();
+}
+
+void OPPROTO glue(glue(op_,PFX),add8_T0_T1)(void)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    ADD8(T0, T1, 0);
+    ADD8(T0 >> 8, T1 >> 8, 1);
+    ADD8(T0 >> 16, T1 >> 16, 2);
+    ADD8(T0 >> 24, T1 >> 24, 3);
+    SET_GE;
+    T0 = res;
+    FORCE_RET();
+}
+
+void OPPROTO glue(glue(op_,PFX),sub16_T0_T1)(void)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    SUB16(T0, T1, 0);
+    SUB16(T0 >> 16, T1 >> 16, 1);
+    SET_GE;
+    T0 = res;
+    FORCE_RET();
+}
+
+void OPPROTO glue(glue(op_,PFX),sub8_T0_T1)(void)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    SUB8(T0, T1, 0);
+    SUB8(T0 >> 8, T1 >> 8, 1);
+    SUB8(T0 >> 16, T1 >> 16, 2);
+    SUB8(T0 >> 24, T1 >> 24, 3);
+    SET_GE;
+    T0 = res;
+    FORCE_RET();
+}
+
+void OPPROTO glue(glue(op_,PFX),subaddx_T0_T1)(void)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    ADD16(T0, T1, 0);
+    SUB16(T0 >> 16, T1 >> 16, 1);
+    SET_GE;
+    T0 = res;
+    FORCE_RET();
+}
+
+void OPPROTO glue(glue(op_,PFX),addsubx_T0_T1)(void)
+{
+    uint32_t res = 0;
+    DECLARE_GE;
+
+    SUB16(T0, T1, 0);
+    ADD16(T0 >> 16, T1 >> 16, 1);
+    SET_GE;
+    T0 = res;
+    FORCE_RET();
+}
+
+#undef DECLARE_GE
+#undef SET_GE
+#undef RESULT
+
+#undef ARITH_GE
+#undef PFX
+#undef ADD16
+#undef SUB16
+#undef ADD8
+#undef SUB8