From: Laurent Vivier <laur...@vivier.eu>
used by gnome-system-monitor.
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
target-m68k/helper.c | 16 ++++++++++++++++
target-m68k/helpers.h | 1 +
target-m68k/translate.c | 4 ++++
3 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 79e6a28..70e7053 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -1537,6 +1537,22 @@ void HELPER(div_FP0_FP1)(CPUState *env)
floatx80_to_FP0(env, res);
}
+void HELPER(mod_FP0_FP1)(CPUState *env)
+{
+ floatx80 res;
+ long double src, dst;
+
+ src = LDOUBLE(FP0_to_floatx80(env));
+ dst = LDOUBLE(FP1_to_floatx80(env));
+
+ DBG_FPUH("mod_FP0_FP1 %Lg %Lg", src, dst);
+ dst = fmodl(dst, src);
+ DBG_FPU(" = %Lg\n", dst);
+
+ res = FLOATx80(dst);
+ floatx80_to_FP0(env, res);
+}
+
void HELPER(fcmp_FP0_FP1)(CPUState *env)
{
/* ??? This may incorrectly raise exceptions. */
diff --git a/target-m68k/helpers.h b/target-m68k/helpers.h
index e6465cd..c3c5eb2 100644
--- a/target-m68k/helpers.h
+++ b/target-m68k/helpers.h
@@ -81,6 +81,7 @@ DEF_HELPER_1(add_FP0_FP1, void, env)
DEF_HELPER_1(sub_FP0_FP1, void, env)
DEF_HELPER_1(mul_FP0_FP1, void, env)
DEF_HELPER_1(div_FP0_FP1, void, env)
+DEF_HELPER_1(mod_FP0_FP1, void, env)
DEF_HELPER_1(fcmp_FP0_FP1, void, env)
DEF_HELPER_1(compare_FP0, i32, env)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 91355ba..7d0b790 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -3697,6 +3697,10 @@ DISAS_INSN(fpu)
gen_op_load_fpr_FP1(REG(ext, 7));
gen_helper_div_FP0_FP1(cpu_env);
break;
+ case 0x21: /* fmod */
+ gen_op_load_fpr_FP1(REG(ext, 7));
+ gen_helper_mod_FP0_FP1(cpu_env);
+ break;
case 0x22: case 0x62: case 0x66: /* fadd */
gen_op_load_fpr_FP1(REG(ext, 7));
gen_helper_add_FP0_FP1(cpu_env);
--
1.7.2.3
