[pypy-svn] r67112 - in pypy/branch/pyjitpl5/pypy/jit/backend/x86: . test

[arigo at codespeak.net]

Author: arigo
Date: Sun Aug 23 14:26:26 2009
New Revision: 67112

Modified:
   pypy/branch/pyjitpl5/pypy/jit/backend/x86/jump.py
   pypy/branch/pyjitpl5/pypy/jit/backend/x86/test/test_jump.py
Log:
(benjamin, arigo)
Implement simple register moving.


Modified: pypy/branch/pyjitpl5/pypy/jit/backend/x86/jump.py
==============================================================================
--- pypy/branch/pyjitpl5/pypy/jit/backend/x86/jump.py	(original)
+++ pypy/branch/pyjitpl5/pypy/jit/backend/x86/jump.py	Sun Aug 23 14:26:26 2009
@@ -1,4 +1,8 @@
 
 
 def remap_stack_layout(assembler, src_locations, dst_locations):
-    pass
+    for i in range(len(dst_locations)):
+        src = src_locations[i]
+        dst = dst_locations[i]
+        if src is not dst:
+            assembler.regalloc_load(src, dst)

Modified: pypy/branch/pyjitpl5/pypy/jit/backend/x86/test/test_jump.py
==============================================================================
--- pypy/branch/pyjitpl5/pypy/jit/backend/x86/test/test_jump.py	(original)
+++ pypy/branch/pyjitpl5/pypy/jit/backend/x86/test/test_jump.py	Sun Aug 23 14:26:26 2009
@@ -5,6 +5,13 @@
     def __init__(self):
         self.ops = []
 
+    def regalloc_load(self, from_loc, to_loc):
+        self.ops.append(('load', from_loc, to_loc))
+
+    def regalloc_store(self, from_loc, to_loc):
+        self.ops.append(('store', from_loc, to_loc))
+
+
 def test_trivial():
     assembler = MockAssembler()
     remap_stack_layout(assembler, [], [])
@@ -18,3 +25,10 @@
     remap_stack_layout(assembler, [eax, ebx, ecx, s20, s8, edx, s12, esi, edi],
                                   [eax, ebx, ecx, s20, s8, edx, s12, esi, edi])
     assert assembler.ops == []
+
+def test_simple_registers():
+    assembler = MockAssembler()
+    remap_stack_layout(assembler, [eax, ebx, ecx], [edx, esi, edi])
+    assert assembler.ops == [('load', eax, edx),
+                             ('load', ebx, esi),
+                             ('load', ecx, edi)]