diff options
Diffstat (limited to 'target-mips/op_helper.c')
| -rw-r--r-- | target-mips/op_helper.c | 137 |
1 files changed, 48 insertions, 89 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index d50334f45f..1abed8e3da 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -3031,95 +3031,54 @@ FLOAT_BINOP(mul) FLOAT_BINOP(div) #undef FLOAT_BINOP -/* ternary operations */ -#define FLOAT_TERNOP(name1, name2) \ -uint64_t helper_float_ ## name1 ## name2 ## _d(CPUMIPSState *env, \ - uint64_t fdt0, \ - uint64_t fdt1, \ - uint64_t fdt2) \ -{ \ - fdt0 = float64_ ## name1 (fdt0, fdt1, &env->active_fpu.fp_status); \ - return float64_ ## name2 (fdt0, fdt2, &env->active_fpu.fp_status); \ -} \ - \ -uint32_t helper_float_ ## name1 ## name2 ## _s(CPUMIPSState *env, \ - uint32_t fst0, \ - uint32_t fst1, \ - uint32_t fst2) \ -{ \ - fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ - return float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ -} \ - \ -uint64_t helper_float_ ## name1 ## name2 ## _ps(CPUMIPSState *env, \ - uint64_t fdt0, \ - uint64_t fdt1, \ - uint64_t fdt2) \ -{ \ - uint32_t fst0 = fdt0 & 0XFFFFFFFF; \ - uint32_t fsth0 = fdt0 >> 32; \ - uint32_t fst1 = fdt1 & 0XFFFFFFFF; \ - uint32_t fsth1 = fdt1 >> 32; \ - uint32_t fst2 = fdt2 & 0XFFFFFFFF; \ - uint32_t fsth2 = fdt2 >> 32; \ - \ - fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ - fsth0 = float32_ ## name1 (fsth0, fsth1, &env->active_fpu.fp_status); \ - fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ - fsth2 = float32_ ## name2 (fsth0, fsth2, &env->active_fpu.fp_status); \ - return ((uint64_t)fsth2 << 32) | fst2; \ -} - -FLOAT_TERNOP(mul, add) -FLOAT_TERNOP(mul, sub) -#undef FLOAT_TERNOP - -/* negated ternary operations */ -#define FLOAT_NTERNOP(name1, name2) \ -uint64_t helper_float_n ## name1 ## name2 ## _d(CPUMIPSState *env, \ - uint64_t fdt0, \ - uint64_t fdt1, \ - uint64_t fdt2) \ -{ \ - fdt0 = float64_ ## name1 (fdt0, fdt1, &env->active_fpu.fp_status); \ - fdt2 = float64_ ## name2 (fdt0, fdt2, &env->active_fpu.fp_status); \ - return float64_chs(fdt2); \ -} \ - \ -uint32_t helper_float_n ## name1 ## name2 ## _s(CPUMIPSState *env, \ - uint32_t fst0, \ - uint32_t fst1, \ - uint32_t fst2) \ -{ \ - fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ - fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ - return float32_chs(fst2); \ -} \ - \ -uint64_t helper_float_n ## name1 ## name2 ## _ps(CPUMIPSState *env, \ - uint64_t fdt0, \ - uint64_t fdt1, \ - uint64_t fdt2) \ -{ \ - uint32_t fst0 = fdt0 & 0XFFFFFFFF; \ - uint32_t fsth0 = fdt0 >> 32; \ - uint32_t fst1 = fdt1 & 0XFFFFFFFF; \ - uint32_t fsth1 = fdt1 >> 32; \ - uint32_t fst2 = fdt2 & 0XFFFFFFFF; \ - uint32_t fsth2 = fdt2 >> 32; \ - \ - fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ - fsth0 = float32_ ## name1 (fsth0, fsth1, &env->active_fpu.fp_status); \ - fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ - fsth2 = float32_ ## name2 (fsth0, fsth2, &env->active_fpu.fp_status); \ - fst2 = float32_chs(fst2); \ - fsth2 = float32_chs(fsth2); \ - return ((uint64_t)fsth2 << 32) | fst2; \ -} - -FLOAT_NTERNOP(mul, add) -FLOAT_NTERNOP(mul, sub) -#undef FLOAT_NTERNOP +/* FMA based operations */ +#define FLOAT_FMA(name, type) \ +uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \ + uint64_t fdt0, uint64_t fdt1, \ + uint64_t fdt2) \ +{ \ + set_float_exception_flags(0, &env->active_fpu.fp_status); \ + fdt0 = float64_muladd(fdt0, fdt1, fdt2, type, \ + &env->active_fpu.fp_status); \ + update_fcr31(env); \ + return fdt0; \ +} \ + \ +uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \ + uint32_t fst0, uint32_t fst1, \ + uint32_t fst2) \ +{ \ + set_float_exception_flags(0, &env->active_fpu.fp_status); \ + fst0 = float32_muladd(fst0, fst1, fst2, type, \ + &env->active_fpu.fp_status); \ + update_fcr31(env); \ + return fst0; \ +} \ + \ +uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \ + uint64_t fdt0, uint64_t fdt1, \ + uint64_t fdt2) \ +{ \ + uint32_t fst0 = fdt0 & 0XFFFFFFFF; \ + uint32_t fsth0 = fdt0 >> 32; \ + uint32_t fst1 = fdt1 & 0XFFFFFFFF; \ + uint32_t fsth1 = fdt1 >> 32; \ + uint32_t fst2 = fdt2 & 0XFFFFFFFF; \ + uint32_t fsth2 = fdt2 >> 32; \ + \ + set_float_exception_flags(0, &env->active_fpu.fp_status); \ + fst0 = float32_muladd(fst0, fst1, fst2, type, \ + &env->active_fpu.fp_status); \ + fsth0 = float32_muladd(fsth0, fsth1, fsth2, type, \ + &env->active_fpu.fp_status); \ + update_fcr31(env); \ + return ((uint64_t)fsth0 << 32) | fst0; \ +} +FLOAT_FMA(madd, 0) +FLOAT_FMA(msub, float_muladd_negate_c) +FLOAT_FMA(nmadd, float_muladd_negate_result) +FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c) +#undef FLOAT_FMA /* MIPS specific binary operations */ uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2) |