Extract is a compact combination of shift + and.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/arm/translate.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 846052acea..43e005d191 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -620,14 +620,7 @@ static void gen_sar(TCGv_i32 dest, TCGv_i32 t0, TCGv_i32
t1)
static void shifter_out_im(TCGv_i32 var, int shift)
{
- if (shift == 0) {
- tcg_gen_andi_i32(cpu_CF, var, 1);
- } else {
- tcg_gen_shri_i32(cpu_CF, var, shift);
- if (shift != 31) {
- tcg_gen_andi_i32(cpu_CF, cpu_CF, 1);
- }
- }
+ tcg_gen_extract_i32(cpu_CF, var, shift, 1);
}
/* Shift by immediate. Includes special handling for shift == 0. */
--
2.17.1
