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Add some float casting

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This commit is contained in:
Siu Kwan Lam 2012-08-08 17:32:39 -07:00
commit e35b8ca636
1 changed files with 12 additions and 3 deletions
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15
llvm_cbuilder/builder.py
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@ -917,10 +917,19 @@ class CValue(object):
else: else:
return make(self.parent.builder.uitofp(self.value, ty)) return make(self.parent.builder.uitofp(self.value, ty))
elif self.is_real: elif self.is_real:
if not unsigned: if _is_int(ty):
return make(self.parent.builder.fptosi(self.value, ty)) if not unsigned:
return make(self.parent.builder.fptosi(self.value, ty))
else:
return make(self.parent.builder.fptoui(self.value, ty))
else: else:
return make(self.parent.builder.fptoui(self.value, ty)) if ty == types.double:
assert self.type == types.float
return make(self.parent.builder.fpext(self.value, ty))
else:
assert ty == types.float
assert self.type == types.double
return make(self.parent.builder.fptrunc(self.value, ty))
errmsg = "Cast from %s to %s is not possible." errmsg = "Cast from %s to %s is not possible."
raise TypeError(errmsg % (self.type, ty)) raise TypeError(errmsg % (self.type, ty))