mirror of https://github.com/proxmox/mirror_qemu
target/arm: Use tcg_gen_extract_i32 for shifter_out_im
Extract is a compact combination of shift + and. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190808202616.13782-2-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>master
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@ -605,14 +605,7 @@ static void gen_sar(TCGv_i32 dest, TCGv_i32 t0, TCGv_i32 t1)
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static void shifter_out_im(TCGv_i32 var, int shift)
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{
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if (shift == 0) {
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tcg_gen_andi_i32(cpu_CF, var, 1);
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} else {
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tcg_gen_shri_i32(cpu_CF, var, shift);
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if (shift != 31) {
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tcg_gen_andi_i32(cpu_CF, cpu_CF, 1);
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}
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}
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tcg_gen_extract_i32(cpu_CF, var, shift, 1);
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}
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/* Shift by immediate. Includes special handling for shift == 0. */
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