target/xtensa: Use tcg_gen_subfi_i32 in translate_sll

Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 41b84082de1ba3724dddef45d92571d7659cc309..2903c73f8e66294776e408bb28e56593eec6b16f 100644 (file)
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -2324,8 +2324,8 @@ static void translate_sll(DisasContext *dc, const OpcodeArg arg[],
         tcg_gen_shl_i32(arg[0].out, arg[1].in, dc->sar_m32);
     } else {
         TCGv_i64 v = tcg_temp_new_i64();
-        TCGv_i32 s = tcg_const_i32(32);
-        tcg_gen_sub_i32(s, s, cpu_SR[SAR]);
+        TCGv_i32 s = tcg_temp_new();
+        tcg_gen_subfi_i32(s, 32, cpu_SR[SAR]);
         tcg_gen_andi_i32(s, s, 0x3f);
         tcg_gen_extu_i32_i64(v, arg[1].in);
         gen_shift_reg(shl, s);