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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>
This commit is contained in:
Richard Henderson 2016-11-16 17:36:51 +01:00
parent bc21dbcc12
commit 16256947eb
3 changed files with 1 additions and 7 deletions
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1
target/tricore/helper.h
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@ -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)

5
target/tricore/op_helper.c
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@ -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);

2
target/tricore/translate.c
View File

@ -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]);