From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:51582) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qtn8e-0005ot-VC for qemu-devel@nongnu.org; Wed, 17 Aug 2011 16:55:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qtn8U-0007qo-0h for qemu-devel@nongnu.org; Wed, 17 Aug 2011 16:54:55 -0400 Received: from mail-yw0-f45.google.com ([209.85.213.45]:55260) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qtn8T-0007qA-An for qemu-devel@nongnu.org; Wed, 17 Aug 2011 16:54:49 -0400 Received: by ywf9 with SMTP id 9so1234012ywf.4 for ; Wed, 17 Aug 2011 13:54:38 -0700 (PDT) From: Bryce Lanham Date: Wed, 17 Aug 2011 15:54:09 -0500 Message-Id: <1313614456-29404-5-git-send-email-blanham@gmail.com> In-Reply-To: <1313614456-29404-1-git-send-email-blanham@gmail.com> References: <1313614456-29404-1-git-send-email-blanham@gmail.com> Subject: [Qemu-devel] [PATCH 104/111] m68k: add fsincos instruction List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Laurent Vivier From: Laurent Vivier Signed-off-by: Laurent Vivier --- target-m68k/helper.c | 23 +++++++++++++++++++++++ target-m68k/helpers.h | 1 + target-m68k/translate.c | 17 +++++++++++++++++ 3 files changed, 41 insertions(+), 0 deletions(-) diff --git a/target-m68k/helper.c b/target-m68k/helper.c index 37d6774..5d34901 100644 --- a/target-m68k/helper.c +++ b/target-m68k/helper.c @@ -1086,6 +1086,12 @@ static inline void floatx80_to_FP0(CPUState *env, floatx80 res) env->fp0l = res.low; } +static inline void floatx80_to_FP1(CPUState *env, floatx80 res) +{ + env->fp1h = res.high; + env->fp1l = res.low; +} + static inline int32_t FP0_to_int32(CPUState *env) { return env->fp0h; @@ -1656,6 +1662,23 @@ void HELPER(mod_FP0_FP1)(CPUState *env) floatx80_to_FP0(env, res); } +void HELPER(sincos_FP0_FP1)(CPUState *env) +{ + floatx80 res; + long double val, valsin, valcos; + + res = FP0_to_floatx80(env); + val = floatx80_to_ldouble(res); + + DBG_FPUH("sincos_FP0 %Lg", val); + sincosl(val, &valsin, &valcos); + DBG_FPU(" = %Lg, %Lg", valsin, valcos); + res = ldouble_to_floatx80(valsin); + floatx80_to_FP0(env, res); + res = ldouble_to_floatx80(valcos); + floatx80_to_FP1(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 229ca8f..154c183 100644 --- a/target-m68k/helpers.h +++ b/target-m68k/helpers.h @@ -86,6 +86,7 @@ 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(sincos_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 fa9659d..e714eb4 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -220,6 +220,16 @@ static void gen_op_store_fpr_FP0(int freg) offsetof(FPReg, d.low)); } +static void gen_op_store_fpr_FP1(int freg) +{ + tcg_gen_st16_i32(QREG_FP1H, cpu_env, + offsetof(CPUM68KState, fregs[freg]) + + offsetof(FPReg, d.high)); + tcg_gen_st_i64(QREG_FP1L, cpu_env, + offsetof(CPUM68KState, fregs[freg]) + + offsetof(FPReg, d.low)); +} + static void gen_op_load_fpr_FP1(int freg) { tcg_gen_ld16u_i32(QREG_FP1H, cpu_env, @@ -3801,6 +3811,13 @@ DISAS_INSN(fpu) gen_op_load_fpr_FP1(REG(ext, 7)); gen_helper_sub_FP0_FP1(cpu_env); break; + case 0x30: case 0x31: case 0x32: + case 0x33: case 0x34: case 0x35: + case 0x36: case 0x37: + gen_helper_sincos_FP0_FP1(cpu_env); + gen_op_store_fpr_FP0(REG(ext, 7)); /* sin */ + gen_op_store_fpr_FP1(REG(ext, 0)); /* cos */ + break; case 0x38: /* fcmp */ gen_op_load_fpr_FP1(REG(ext, 7)); gen_helper_fcmp_FP0_FP1(cpu_env); -- 1.7.2.3