tests: Add inline assembler test for pyboard.

tests/inlineasm/asmsum.py

@@ -0,0 +1,57 @@
+@micropython.asm_thumb
+def asm_sum_words(r0, r1):
+
+    # r0 = len
+    # r1 = ptr
+    # r2 = sum
+    # r3 = dummy
+    mov(r2, 0)
+
+    b(loop_entry)
+
+    label(loop1)
+    ldr(r3, [r1, 0])
+    add(r2, r2, r3)
+
+    add(r1, r1, 4)
+    sub(r0, r0, 1)
+
+    label(loop_entry)
+    cmp(r0, 0)
+    bgt(loop1)
+
+    mov(r0, r2)
+
+@micropython.asm_thumb
+def asm_sum_bytes(r0, r1):
+
+    # r0 = len
+    # r1 = ptr
+    # r2 = sum
+    # r3 = dummy
+    mov(r2, 0)
+
+    b(loop_entry)
+
+    label(loop1)
+    ldrb(r3, [r1, 0])
+    add(r2, r2, r3)
+
+    add(r1, r1, 1)
+    sub(r0, r0, 1)
+
+    label(loop_entry)
+    cmp(r0, 0)
+    bgt(loop1)
+
+    mov(r0, r2)
+
+import array
+
+b = array.array('l', (100, 200, 300, 400))
+n = asm_sum_words(len(b), b)
+print(b, n)
+
+b = array.array('b', (10, 20, 30, 40, 50, 60, 70, 80))
+n = asm_sum_bytes(len(b), b)
+print(b, n)

tests/inlineasm/asmsum.py.exp

@@ -0,0 +1,2 @@
+array('l', [100, 200, 300, 400]) 1000
+array('b', [10, 20, 30, 40, 50, 60, 70, 80]) 360

tests/run-tests

@@ -115,7 +115,7 @@ def main():
             test_dirs = ('basics', 'float', 'import', 'io', 'misc')
         else:
             # run pyboard tests
-            test_dirs = ('basics', 'float', 'pyb')
+            test_dirs = ('basics', 'float', 'pyb', 'inlineasm')
         tests = sorted(test_file for test_files in (glob('{}/*.py'.format(dir)) for dir in test_dirs) for test_file in test_files)
     else:
         # tests explicitly given