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Add alignment control to vector_load/store.

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E.g: align=1 for universal alignment. default to aligned.
This commit is contained in:
Siu Kwan Lam 2012-08-21 18:32:44 -05:00
commit 4d773ed5ed
1 changed files with 6 additions and 5 deletions
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11
builder.py
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@ -1243,23 +1243,24 @@ class CArray(CValue):
def type(self):
return self.base_ptr.type
def vector_load(self, count):
def vector_load(self, count, align=0):
parent = self.parent
builder = parent.builder
values = [self[i] for i in range(count)]
vecty = types.vector(self.type.pointee, count)
vec = builder.load(builder.bitcast(self.base_ptr, types.pointer(vecty)))
vec = builder.load(builder.bitcast(self.base_ptr, types.pointer(vecty)),
align=align)
return CTemp(parent, vec)
def vector_store(self, vec):
def vector_store(self, vec, align=0):
if vec.type.element != self.type.pointee:
raise TypeError("Type mismatch; expect %s but got %s" % \
(vec.type.element, self.type.pointee))
parent = self.parent
builder = parent.builder
builder.store(vec.value, builder.bitcast(self.base_ptr,
types.pointer(vec.type)))
vecptr = builder.bitcast(self.base_ptr, types.pointer(vec.type))
builder.store(vec.value, vecptr, align=align)
return self
class CStruct(CValue):