diff options
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/fpu_helper.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/target/mips/fpu_helper.c b/target/mips/fpu_helper.c index 984f3f4..715a872 100644 --- a/target/mips/fpu_helper.c +++ b/target/mips/fpu_helper.c @@ -1208,7 +1208,6 @@ uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \ return ((uint64_t)wth2 << 32) | wt2; \ } -FLOAT_BINOP(sub) FLOAT_BINOP(mul) FLOAT_BINOP(div) #undef FLOAT_BINOP @@ -1249,6 +1248,42 @@ uint64_t helper_float_add_ps(CPUMIPSState *env, return ((uint64_t)wth2 << 32) | wtl2; } +uint64_t helper_float_sub_d(CPUMIPSState *env, + uint64_t fdt0, uint64_t fdt1) +{ + uint64_t dt2; + + dt2 = float64_sub(fdt0, fdt1, &env->active_fpu.fp_status); + update_fcr31(env, GETPC()); + return dt2; +} + +uint32_t helper_float_sub_s(CPUMIPSState *env, + uint32_t fst0, uint32_t fst1) +{ + uint32_t wt2; + + wt2 = float32_sub(fst0, fst1, &env->active_fpu.fp_status); + update_fcr31(env, GETPC()); + return wt2; +} + +uint64_t helper_float_sub_ps(CPUMIPSState *env, + uint64_t fdt0, uint64_t fdt1) +{ + uint32_t fstl0 = fdt0 & 0XFFFFFFFF; + uint32_t fsth0 = fdt0 >> 32; + uint32_t fstl1 = fdt1 & 0XFFFFFFFF; + uint32_t fsth1 = fdt1 >> 32; + uint32_t wtl2; + uint32_t wth2; + + wtl2 = float32_sub(fstl0, fstl1, &env->active_fpu.fp_status); + wth2 = float32_sub(fsth0, fsth1, &env->active_fpu.fp_status); + update_fcr31(env, GETPC()); + return ((uint64_t)wth2 << 32) | wtl2; +} + /* MIPS specific binary operations */ uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2) |