target/arm: Simplify op_smlaxxx for SMLAL*
Since all of the inputs and outputs are i32, dispense with the intermediate promotion to i64 and use tcg_gen_add2_i32. Reviewed-by: NPeter Maydell <peter.maydell@linaro.org> Signed-off-by: NRichard Henderson <richard.henderson@linaro.org> Message-id: 20190904193059.26202-11-richard.henderson@linaro.org Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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