[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 04/11] target/m68k: implement fsincos
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [PULL 04/11] target/m68k: implement fsincos |
Date: |
Tue, 13 Mar 2018 16:59:11 +0100 |
using floatx80_sin() and floatx80_cos()
Signed-off-by: Laurent Vivier <address@hidden>
Message-Id: <address@hidden>
---
target/m68k/fpu_helper.c | 11 +++++++++++
target/m68k/helper.h | 1 +
target/m68k/translate.c | 8 ++++++++
3 files changed, 20 insertions(+)
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c
index 71df19c685..36e34d42a8 100644
--- a/target/m68k/fpu_helper.c
+++ b/target/m68k/fpu_helper.c
@@ -607,3 +607,14 @@ void HELPER(fcos)(CPUM68KState *env, FPReg *res, FPReg
*val)
{
res->d = floatx80_cos(val->d, &env->fp_status);
}
+
+void HELPER(fsincos)(CPUM68KState *env, FPReg *res0, FPReg *res1, FPReg *val)
+{
+ floatx80 a = val->d;
+ /* If res0 and res1 specify the same floating-point data register,
+ * the sine result is stored in the register, and the cosine
+ * result is discarded.
+ */
+ res1->d = floatx80_cos(a, &env->fp_status);
+ res0->d = floatx80_sin(a, &env->fp_status);
+}
diff --git a/target/m68k/helper.h b/target/m68k/helper.h
index 767baf75a3..a168ffbaea 100644
--- a/target/m68k/helper.h
+++ b/target/m68k/helper.h
@@ -78,6 +78,7 @@ DEF_HELPER_3(ftentox, void, env, fp, fp)
DEF_HELPER_3(ftan, void, env, fp, fp)
DEF_HELPER_3(fsin, void, env, fp, fp)
DEF_HELPER_3(fcos, void, env, fp, fp)
+DEF_HELPER_4(fsincos, void, env, fp, fp, fp)
DEF_HELPER_3(mac_move, void, env, i32, i32)
DEF_HELPER_3(macmulf, i64, env, i32, i32)
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index f47388da4b..a78edd8825 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -5159,6 +5159,14 @@ DISAS_INSN(fpu)
case 0x6c: /* fdsub */
gen_helper_fdsub(cpu_env, cpu_dest, cpu_src, cpu_dest);
break;
+ case 0x30: case 0x31: case 0x32:
+ case 0x33: case 0x34: case 0x35:
+ case 0x36: case 0x37: {
+ TCGv_ptr cpu_dest2 = gen_fp_ptr(REG(ext, 0));
+ gen_helper_fsincos(cpu_env, cpu_dest, cpu_dest2, cpu_src);
+ tcg_temp_free_ptr(cpu_dest2);
+ }
+ break;
case 0x38: /* fcmp */
gen_helper_fcmp(cpu_env, cpu_src, cpu_dest);
return;
--
2.14.3
- [Qemu-devel] [PULL 00/11] M68k for 2.12 patches, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 09/11] target/m68k: implement ftanh, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 07/11] target/m68k: implement facos, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 04/11] target/m68k: implement fsincos,
Laurent Vivier <=
- [Qemu-devel] [PULL 05/11] target/m68k: implement fatan, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 10/11] target/m68k: implement fsinh, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 03/11] target/m68k: implement fcos, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 06/11] target/m68k: implement fasin, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 08/11] target/m68k: implement fatanh, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 02/11] target/m68k: implement fsin, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 11/11] target/m68k: implement fcosh, Laurent Vivier, 2018/03/13
- [Qemu-devel] [PULL 01/11] target/m68k: implement ftan, Laurent Vivier, 2018/03/13
- Re: [Qemu-devel] [PULL 00/11] M68k for 2.12 patches, Peter Maydell, 2018/03/15