target/cris: Use tcg_gen_abs_tl

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/target/cris/translate.c b/target/cris/translate.c
index b005a5c..31b40a5 100644
--- a/target/cris/translate.c
+++ b/target/cris/translate.c
@@ -1686,18 +1686,11 @@
 
 static int dec_abs_r(CPUCRISState *env, DisasContext *dc)
 {
-    TCGv t0;
-
     LOG_DIS("abs $r%u, $r%u\n",
             dc->op1, dc->op2);
     cris_cc_mask(dc, CC_MASK_NZ);
 
-    t0 = tcg_temp_new();
-    tcg_gen_sari_tl(t0, cpu_R[dc->op1], 31);
-    tcg_gen_xor_tl(cpu_R[dc->op2], cpu_R[dc->op1], t0);
-    tcg_gen_sub_tl(cpu_R[dc->op2], cpu_R[dc->op2], t0);
-    tcg_temp_free(t0);
-
+    tcg_gen_abs_tl(cpu_R[dc->op2], cpu_R[dc->op1]);
     cris_alu(dc, CC_OP_MOVE,
             cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4);
     return 2;