target-tricore: Use clrsb helper

Tested-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>

diff --git a/target/tricore/helper.h b/target/tricore/helper.h
index 2cf04e1b1165ac01d6455f7d0373d946d155311b..d215349bb81cd06dd19ecf662404be77255b2e4d 100644 (file)
--- a/target/tricore/helper.h
+++ b/target/tricore/helper.h
@@ -89,7 +89,6 @@ DEF_HELPER_FLAGS_2(ixmin_u, TCG_CALL_NO_RWG_SE, i64, i64, i32)
 /* count leading ... */
 DEF_HELPER_FLAGS_1(clo_h, TCG_CALL_NO_RWG_SE, i32, i32)
 DEF_HELPER_FLAGS_1(clz_h, TCG_CALL_NO_RWG_SE, i32, i32)
-DEF_HELPER_FLAGS_1(cls, TCG_CALL_NO_RWG_SE, i32, i32)
 DEF_HELPER_FLAGS_1(cls_h, TCG_CALL_NO_RWG_SE, i32, i32)
 /* sh */
 DEF_HELPER_FLAGS_2(sh, TCG_CALL_NO_RWG_SE, i32, i32, i32)

diff --git a/target/tricore/op_helper.c b/target/tricore/op_helper.c
index 3731d5e6f164c2e9423ca6f96ff80e4d3940139a..7af202c8c09a33bb2ec1c02f7b6c8d467ab35ddc 100644 (file)
--- a/target/tricore/op_helper.c
+++ b/target/tricore/op_helper.c
@@ -1769,11 +1769,6 @@ uint32_t helper_clz_h(target_ulong r1)
     return ret_hw0 | (ret_hw1 << 16);
 }
 
-uint32_t helper_cls(target_ulong r1)
-{
-    return clrsb32(r1);
-}
-
 uint32_t helper_cls_h(target_ulong r1)
 {
     uint32_t ret_hw0 = extract32(r1, 0, 16);

diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 69cdfb91778802c21d821474c08e6c084bf36ca1..41b1d27352b79a5bde06066d6b47649f6cab0c04 100644 (file)
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -6374,7 +6374,7 @@ static void decode_rr_logical_shift(CPUTriCoreState *env, DisasContext *ctx)
         gen_helper_clo_h(cpu_gpr_d[r3], cpu_gpr_d[r1]);
         break;
     case OPC2_32_RR_CLS:
-        gen_helper_cls(cpu_gpr_d[r3], cpu_gpr_d[r1]);
+        tcg_gen_clrsb_tl(cpu_gpr_d[r3], cpu_gpr_d[r1]);
         break;
     case OPC2_32_RR_CLS_H:
         gen_helper_cls_h(cpu_gpr_d[r3], cpu_gpr_d[r1]);