[Qemu-devel] [PATCH 102/111] m68k: add fcosh instruction

[Bryce Lanham]

From: Laurent Vivier <address@hidden>

Signed-off-by: Laurent Vivier <address@hidden>
---
 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 0c60093..c24eb85 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -1481,6 +1481,21 @@ void HELPER(abs_FP0)(CPUState *env)
     floatx80_to_FP0(env, res);
 }
 
+void HELPER(cosh_FP0)(CPUState *env)
+{
+    floatx80 res;
+    long double val;
+
+    res = FP0_to_floatx80(env);
+    val = floatx80_to_ldouble(res);
+
+    DBG_FPUH("cosh_FP0 %Lg", val);
+    val = coshl(val);
+    DBG_FPU(" = %Lg", val);
+    res = ldouble_to_floatx80(val);
+    floatx80_to_FP0(env, res);
+}
+
 void HELPER(chs_FP0)(CPUState *env)
 {
     floatx80 res;
diff --git a/target-m68k/helpers.h b/target-m68k/helpers.h
index 88a047b..31eb6ad 100644
--- a/target-m68k/helpers.h
+++ b/target-m68k/helpers.h
@@ -74,6 +74,7 @@ DEF_HELPER_1(exp10_FP0, void, env)
 DEF_HELPER_1(ln_FP0, void, env)
 DEF_HELPER_1(log10_FP0, void, env)
 DEF_HELPER_1(abs_FP0, void, env)
+DEF_HELPER_1(cosh_FP0, void, env)
 DEF_HELPER_1(chs_FP0, void, env)
 DEF_HELPER_1(acos_FP0, void, env)
 DEF_HELPER_1(cos_FP0, void, env)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 987bd84..987139b 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -3751,6 +3751,9 @@ DISAS_INSN(fpu)
     case 0x18: case 0x58: case 0x5c: /* fabs */
         gen_helper_abs_FP0(cpu_env);
         break;
+    case 0x19:
+        gen_helper_cosh_FP0(cpu_env);
+        break;
     case 0x1a: case 0x5a: case 0x5e: /* fneg */
         gen_helper_chs_FP0(cpu_env);
         break;
-- 
1.7.2.3