Method render_vector_prefix

tinygrad/renderer/cstyle.py:245–248

(self, dt:DType)

  if sys.platform == 'win32':
    kernel_typedef = "__attribute__((ms_abi)) void"
  def render_vector_prefix(self, dt:DType) -> str:
    # round (down) to power of two (this is actually the default clang behavior)
    alignment = 2**int(math.log2(dt.itemsize)) if getenv("ALIGNED", 1) and not dtypes.is_bool(dt) else 1
    return f"typedef {self.render_dtype(dt.scalar())} {self.render_dtype(dt)} __attribute__((aligned({alignment}),ext_vector_type({dt.count})));"

  def _render_defines(self, uops) -> list[str]:
    prefix = [self.render_vector_prefix(dt) for dt in uops_to_dtypes(uops) if dt.count > 1]