From: Laurent Vivier <laur...@vivier.eu>
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
target-m68k/helper.c | 15 +++++++++++++++
target-m68k/helpers.h | 1 +
target-m68k/translate.c | 3 +++
3 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index bba4ae3..319723e 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -1332,6 +1332,21 @@ void HELPER(log10_FP0)(CPUState *env)
floatx80_to_FP0(env, res);
}
+void HELPER(tan_FP0)(CPUState *env)
+{
+ floatx80 res;
+ long double val;
+
+ res = FP0_to_floatx80(env);
+ val = LDOUBLE(res);
+
+ DBG_FPUH("tan_FP0 %Lg", val);
+ val = tanl(val);
+ DBG_FPU(" = %Lg", val);
+ res = FLOATx80(val);
+ floatx80_to_FP0(env, res);
+}
+
void HELPER(exp_FP0)(CPUState *env)
{
floatx80 f;
diff --git a/target-m68k/helpers.h b/target-m68k/helpers.h
index 1a375c0..ec51ce0 100644
--- a/target-m68k/helpers.h
+++ b/target-m68k/helpers.h
@@ -65,6 +65,7 @@ DEF_HELPER_2(const_FP0, void, env, i32)
DEF_HELPER_1(iround_FP0, void, env)
DEF_HELPER_1(itrunc_FP0, void, env)
DEF_HELPER_1(sqrt_FP0, void, env)
+DEF_HELPER_1(tan_FP0, void, env)
DEF_HELPER_1(exp_FP0, void, env)
DEF_HELPER_1(exp2_FP0, void, env)
DEF_HELPER_1(ln_FP0, void, env)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index ece5de3..b69cac9 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -3661,6 +3661,9 @@ DISAS_INSN(fpu)
case 4: case 0x41: case 0x45: /* fsqrt */
gen_helper_sqrt_FP0(cpu_env);
break;
+ case 0x0f: /* ftan */
+ gen_helper_tan_FP0(cpu_env);
+ break;
case 0x10: /* fetox */
gen_helper_exp_FP0(cpu_env);
break;
--
1.7.2.3
