target-microblaze: Simplify address computation using tcg_gen_addi_i32()

Simplify address computation using tcg_gen_addi_i32().
tcg_gen_addi_i32() already optimizes the case when the
immediate is zero.

No functional change.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index bb6b5176c16131beead0b862d25bc181e3be908e..0d8ef77513493bfeca63126ab63f1563dc07a965 100644 (file)
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -899,12 +899,7 @@ static inline void compute_ldst_addr(DisasContext *dc, bool ea, TCGv t)
     /* Immediate.  */
     t32 = tcg_temp_new_i32();
     if (!extimm) {
-        if (dc->imm == 0) {
-            tcg_gen_mov_i32(t32, cpu_R[dc->ra]);
-        } else {
-            tcg_gen_movi_i32(t32, (int32_t)((int16_t)dc->imm));
-            tcg_gen_add_i32(t32, cpu_R[dc->ra], t32);
-        }
+        tcg_gen_addi_i32(t32, cpu_R[dc->ra], (int16_t)dc->imm);
     } else {
         tcg_gen_add_i32(t32, cpu_R[dc->ra], *(dec_alu_op_b(dc)));
     }