diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/m68k/fpu_helper.c | 48 | ||||
| -rw-r--r-- | target/m68k/helper.h | 8 | ||||
| -rw-r--r-- | target/m68k/translate.c | 26 |
3 files changed, 74 insertions, 8 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 600ae8a4dc..382fbc1713 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -167,6 +167,20 @@ void HELPER(set_fpcr)(CPUM68KState *env, uint32_t val) set_floatx80_rounding_precision(old, &env->fp_status); \ } while (0) +void HELPER(fsround)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(32); + res->d = floatx80_round(val->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdround)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(64); + res->d = floatx80_round(val->d, &env->fp_status); + PREC_END(); +} + void HELPER(fsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_sqrt(val->d, &env->fp_status); @@ -188,12 +202,40 @@ void HELPER(fdsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) void HELPER(fabs)(CPUM68KState *env, FPReg *res, FPReg *val) { - res->d = floatx80_abs(val->d); + res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status); +} + +void HELPER(fsabs)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(32); + res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status); + PREC_END(); +} + +void HELPER(fdabs)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(64); + res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status); + PREC_END(); +} + +void HELPER(fneg)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status); } -void HELPER(fchs)(CPUM68KState *env, FPReg *res, FPReg *val) +void HELPER(fsneg)(CPUM68KState *env, FPReg *res, FPReg *val) { - res->d = floatx80_chs(val->d); + PREC_BEGIN(32); + res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status); + PREC_END(); +} + +void HELPER(fdneg)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(64); + res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status); + PREC_END(); } void HELPER(fadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) diff --git a/target/m68k/helper.h b/target/m68k/helper.h index f05191bcd2..b3968994d8 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -23,13 +23,19 @@ DEF_HELPER_2(redf32, f32, env, fp) DEF_HELPER_2(redf64, f64, env, fp) DEF_HELPER_2(reds32, s32, env, fp) +DEF_HELPER_3(fsround, void, env, fp, fp) +DEF_HELPER_3(fdround, void, env, fp, fp) DEF_HELPER_3(firound, void, env, fp, fp) DEF_HELPER_3(fitrunc, void, env, fp, fp) DEF_HELPER_3(fsqrt, void, env, fp, fp) DEF_HELPER_3(fssqrt, void, env, fp, fp) DEF_HELPER_3(fdsqrt, void, env, fp, fp) DEF_HELPER_3(fabs, void, env, fp, fp) -DEF_HELPER_3(fchs, void, env, fp, fp) +DEF_HELPER_3(fsabs, void, env, fp, fp) +DEF_HELPER_3(fdabs, void, env, fp, fp) +DEF_HELPER_3(fneg, void, env, fp, fp) +DEF_HELPER_3(fsneg, void, env, fp, fp) +DEF_HELPER_3(fdneg, void, env, fp, fp) DEF_HELPER_4(fadd, void, env, fp, fp, fp) DEF_HELPER_4(fsadd, void, env, fp, fp, fp) DEF_HELPER_4(fdadd, void, env, fp, fp, fp) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 72c45dedee..89ac2c7ae3 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -4595,9 +4595,15 @@ DISAS_INSN(fpu) } cpu_dest = gen_fp_ptr(REG(ext, 7)); switch (opmode) { - case 0: case 0x40: case 0x44: /* fmove */ + case 0: /* fmove */ gen_fp_move(cpu_dest, cpu_src); break; + case 0x40: /* fsmove */ + gen_helper_fsround(cpu_env, cpu_dest, cpu_src); + break; + case 0x44: /* fdmove */ + gen_helper_fdround(cpu_env, cpu_dest, cpu_src); + break; case 1: /* fint */ gen_helper_firound(cpu_env, cpu_dest, cpu_src); break; @@ -4613,11 +4619,23 @@ DISAS_INSN(fpu) case 0x45: /* fdsqrt */ gen_helper_fdsqrt(cpu_env, cpu_dest, cpu_src); break; - case 0x18: case 0x58: case 0x5c: /* fabs */ + case 0x18: /* fabs */ gen_helper_fabs(cpu_env, cpu_dest, cpu_src); break; - case 0x1a: case 0x5a: case 0x5e: /* fneg */ - gen_helper_fchs(cpu_env, cpu_dest, cpu_src); + case 0x58: /* fsabs */ + gen_helper_fsabs(cpu_env, cpu_dest, cpu_src); + break; + case 0x5c: /* fdabs */ + gen_helper_fdabs(cpu_env, cpu_dest, cpu_src); + break; + case 0x1a: /* fneg */ + gen_helper_fneg(cpu_env, cpu_dest, cpu_src); + break; + case 0x5a: /* fsneg */ + gen_helper_fsneg(cpu_env, cpu_dest, cpu_src); + break; + case 0x5e: /* fdneg */ + gen_helper_fdneg(cpu_env, cpu_dest, cpu_src); break; case 0x20: /* fdiv */ gen_helper_fdiv(cpu_env, cpu_dest, cpu_src, cpu_dest); |