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Improve vector load store.

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Changes make llvm emit parallel ld/st instead of scalar ld/st.
This commit is contained in:
Siu Kwan Lam 2012-08-21 17:26:12 -05:00
commit 2218f1d49e
1 changed files with 7 additions and 8 deletions
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15
builder.py
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@ -1245,11 +1245,11 @@ class CArray(CValue):
def vector_load(self, count): def vector_load(self, count):
parent = self.parent parent = self.parent
builder = parent.builder
values = [self[i] for i in range(count)] values = [self[i] for i in range(count)]
vec = parent.constant_null(types.vector(self.type.pointee, count)).value
for i, v in enumerate(values): vecty = types.vector(self.type.pointee, count)
i = parent.constant(types.int, i) vec = builder.load(builder.bitcast(self.base_ptr, types.pointer(vecty)))
vec = parent.builder.insert_element(vec, v.value, i.value)
return CTemp(parent, vec) return CTemp(parent, vec)
def vector_store(self, vec): def vector_store(self, vec):
@ -1257,10 +1257,9 @@ class CArray(CValue):
raise TypeError("Type mismatch; expect %s but got %s" % \ raise TypeError("Type mismatch; expect %s but got %s" % \
(vec.type.element, self.type.pointee)) (vec.type.element, self.type.pointee))
parent = self.parent parent = self.parent
for i in range(vec.type.count): builder = parent.builder
i = parent.constant(types.int, i) builder.store(vec.value, builder.bitcast(self.base_ptr,
val = parent.builder.extract_element(vec.value, i.value) types.pointer(vec.type)))
self[i].assign(CTemp(parent, val))
return self return self
class CStruct(CValue): class CStruct(CValue):