Convert 4 packed half-precision (16-bit) floating-point elements in a to packed single-precision (32-bit) floating-point elements. Note: Only lowest 64-bit of input considered. Preserve infinities, sign of zeroes, and NaN-ness.
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Convert 4 packed half-precision (16-bit) floating-point elements in a to packed single-precision (32-bit) floating-point elements. Note: Only lowest 64-bit of input considered. Preserve infinities, sign of zeroes, and NaN-ness.