qemu-arm: Add tests for freezing viper and asm_thumb code.

Signed-off-by: Damien George <damien@micropython.org>

ports/qemu-arm/test-frzmpy/frozen_asm.py

@@ -0,0 +1,29 @@
+# Test freezing inline-asm code.
+
+import micropython
+
+
+@micropython.asm_thumb
+def asm_add(r0, r1):
+    add(r0, r0, r1)
+
+
+@micropython.asm_thumb
+def asm_add1(r0) -> object:
+    lsl(r0, r0, 1)
+    add(r0, r0, 3)
+
+
+@micropython.asm_thumb
+def asm_cast_bool(r0) -> bool:
+    pass
+
+
+@micropython.asm_thumb
+def asm_shift_int(r0) -> int:
+    lsl(r0, r0, 29)
+
+
+@micropython.asm_thumb
+def asm_shift_uint(r0) -> uint:
+    lsl(r0, r0, 29)

ports/qemu-arm/test-frzmpy/frozen_viper.py

@@ -0,0 +1,8 @@
+# Test freezing viper code.
+
+import micropython
+
+
+@micropython.viper
+def viper_add(x, y):
+    print(x + y)