diff options
Diffstat (limited to 'target/m68k/fpu_helper.c')
| -rw-r--r-- | target/m68k/fpu_helper.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 4c14a1fc62..3b535542c2 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -157,11 +157,35 @@ void HELPER(set_fpcr)(CPUM68KState *env, uint32_t val) cpu_m68k_set_fpcr(env, val); } +#define PREC_BEGIN(prec) \ + do { \ + int old; \ + old = get_floatx80_rounding_precision(&env->fp_status); \ + set_floatx80_rounding_precision(prec, &env->fp_status) \ + +#define PREC_END() \ + set_floatx80_rounding_precision(old, &env->fp_status); \ + } while (0) + void HELPER(fsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_sqrt(val->d, &env->fp_status); } +void HELPER(fssqrt)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(32); + res->d = floatx80_sqrt(val->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(64); + res->d = floatx80_sqrt(val->d, &env->fp_status); + PREC_END(); +} + void HELPER(fabs)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_abs(val->d); @@ -177,21 +201,77 @@ void HELPER(fadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) res->d = floatx80_add(val0->d, val1->d, &env->fp_status); } +void HELPER(fsadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_add(val0->d, val1->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_add(val0->d, val1->d, &env->fp_status); + PREC_END(); +} + void HELPER(fsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); } +void HELPER(fssub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); + PREC_END(); +} + void HELPER(fmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); } +void HELPER(fsmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); + PREC_END(); +} + void HELPER(fdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_div(val1->d, val0->d, &env->fp_status); } +void HELPER(fsdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_div(val1->d, val0->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fddiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_div(val1->d, val0->d, &env->fp_status); + PREC_END(); +} + static int float_comp_to_cc(int float_compare) { switch (float_compare) { |