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authorRichard Henderson <rth@twiddle.net>2016-11-16 11:37:15 +0100
committerRichard Henderson <rth@twiddle.net>2017-01-10 08:06:11 -0800
commit0efa8208544e3e5984d7089ec751d3fbcfd43156 (patch)
tree51f4914944b234cf9124aa9a4a4d050af2192ddc /target
parentc3aa369e5d895b4a48339fd3dbb3f72228a8ecc9 (diff)
target-tricore: Use clz opcode
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>
Diffstat (limited to 'target')
-rw-r--r--target/tricore/helper.h2
-rw-r--r--target/tricore/op_helper.c10
-rw-r--r--target/tricore/translate.c5
3 files changed, 3 insertions, 14 deletions
diff --git a/target/tricore/helper.h b/target/tricore/helper.h
index 9333e161ab..2cf04e1b11 100644
--- a/target/tricore/helper.h
+++ b/target/tricore/helper.h
@@ -87,9 +87,7 @@ DEF_HELPER_FLAGS_2(min_hu, TCG_CALL_NO_RWG_SE, i32, i32, i32)
DEF_HELPER_FLAGS_2(ixmin, TCG_CALL_NO_RWG_SE, i64, i64, i32)
DEF_HELPER_FLAGS_2(ixmin_u, TCG_CALL_NO_RWG_SE, i64, i64, i32)
/* count leading ... */
-DEF_HELPER_FLAGS_1(clo, TCG_CALL_NO_RWG_SE, i32, i32)
DEF_HELPER_FLAGS_1(clo_h, TCG_CALL_NO_RWG_SE, i32, i32)
-DEF_HELPER_FLAGS_1(clz, 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)
diff --git a/target/tricore/op_helper.c b/target/tricore/op_helper.c
index ac02e0a36b..3731d5e6f1 100644
--- a/target/tricore/op_helper.c
+++ b/target/tricore/op_helper.c
@@ -1733,11 +1733,6 @@ EXTREMA_H_B(min, <)
#undef EXTREMA_H_B
-uint32_t helper_clo(target_ulong r1)
-{
- return clo32(r1);
-}
-
uint32_t helper_clo_h(target_ulong r1)
{
uint32_t ret_hw0 = extract32(r1, 0, 16);
@@ -1756,11 +1751,6 @@ uint32_t helper_clo_h(target_ulong r1)
return ret_hw0 | (ret_hw1 << 16);
}
-uint32_t helper_clz(target_ulong r1)
-{
- return clz32(r1);
-}
-
uint32_t helper_clz_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 36f734a662..69cdfb9177 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -6367,7 +6367,8 @@ static void decode_rr_logical_shift(CPUTriCoreState *env, DisasContext *ctx)
tcg_gen_andc_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2]);
break;
case OPC2_32_RR_CLO:
- gen_helper_clo(cpu_gpr_d[r3], cpu_gpr_d[r1]);
+ tcg_gen_not_tl(cpu_gpr_d[r3], cpu_gpr_d[r1]);
+ tcg_gen_clzi_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], TARGET_LONG_BITS);
break;
case OPC2_32_RR_CLO_H:
gen_helper_clo_h(cpu_gpr_d[r3], cpu_gpr_d[r1]);
@@ -6379,7 +6380,7 @@ static void decode_rr_logical_shift(CPUTriCoreState *env, DisasContext *ctx)
gen_helper_cls_h(cpu_gpr_d[r3], cpu_gpr_d[r1]);
break;
case OPC2_32_RR_CLZ:
- gen_helper_clz(cpu_gpr_d[r3], cpu_gpr_d[r1]);
+ tcg_gen_clzi_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], TARGET_LONG_BITS);
break;
case OPC2_32_RR_CLZ_H:
gen_helper_clz_h(cpu_gpr_d[r3], cpu_gpr_d[r1]);