[pypy-commit] pypy emit-call-arm: add a location to directly access the stack based on sp

[bivab]

Author: David Schneider <david.schnei...@picle.org>
Branch: emit-call-arm
Changeset: r64528:73b3305ea5f3
Date: 2013-05-23 14:02 -0500
http://bitbucket.org/pypy/pypy/changeset/73b3305ea5f3/

Log:    add a location to directly access the stack based on sp

diff --git a/rpython/jit/backend/arm/locations.py 
b/rpython/jit/backend/arm/locations.py
--- a/rpython/jit/backend/arm/locations.py
+++ b/rpython/jit/backend/arm/locations.py
@@ -12,6 +12,9 @@
     def is_stack(self):
         return False
 
+    def is_raw_sp(self):
+        return False
+
     def is_reg(self):
         return False
 
@@ -145,7 +148,27 @@
         return self.position + 10000
 
     def is_float(self):
-        return type == FLOAT
+        return self.type == FLOAT
+
+class RawSPStackLocation(AssemblerLocation):
+    _immutable_ = True
+
+    def __init__(self, sp_offset, type=INT):
+        if type == FLOAT:
+            self.width = DOUBLE_WORD
+        else:
+            self.width = WORD
+        self.value = sp_offset
+        self.type = type
+
+    def __repr__(self):
+        return 'SP(%s)+%d' % (self.type, self.value,)
+
+    def is_raw_sp(self):
+        return True
+
+    def is_float(self):
+        return self.type == FLOAT
 
 
 def imm(i):
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