On Thu, Jul 30, 2020 at 2:54 AM Chih-Min Chao <chihmin.c...@sifive.com> wrote:
>
> From: Kito Cheng <kito.ch...@sifive.com>
>
> Implement them in softfloat and remove local version in riscv
>
> Signed-off-by: Kito Cheng <kito.ch...@sifive.com>
> Signed-off-by: Chih-Min Chao <chihmin.c...@sifive.com>
> Acked-by: Alex Bennée <alex.ben...@linaro.org>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> include/fpu/softfloat.h | 41 +++++++++++++++++++++++++++++++++++++++++
> target/riscv/vector_helper.c | 25 -------------------------
> 2 files changed, 41 insertions(+), 25 deletions(-)
>
> diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
> index 659218b..573fce9 100644
> --- a/include/fpu/softfloat.h
> +++ b/include/fpu/softfloat.h
> @@ -285,6 +285,47 @@ static inline float16 float16_set_sign(float16 a, int
> sign)
> return make_float16((float16_val(a) & 0x7fff) | (sign << 15));
> }
>
> +static inline bool float16_eq(float16 a, float16 b, float_status *s)
> +{
> + return float16_compare(a, b, s) == float_relation_equal;
> +}
> +
> +static inline bool float16_le(float16 a, float16 b, float_status *s)
> +{
> + return float16_compare(a, b, s) <= float_relation_equal;
> +}
> +
> +static inline bool float16_lt(float16 a, float16 b, float_status *s)
> +{
> + return float16_compare(a, b, s) < float_relation_equal;
> +}
> +
> +static inline bool float16_unordered(float16 a, float16 b, float_status *s)
> +{
> + return float16_compare(a, b, s) == float_relation_unordered;
> +}
> +
> +static inline bool float16_eq_quiet(float16 a, float16 b, float_status *s)
> +{
> + return float16_compare_quiet(a, b, s) == float_relation_equal;
> +}
> +
> +static inline bool float16_le_quiet(float16 a, float16 b, float_status *s)
> +{
> + return float16_compare_quiet(a, b, s) <= float_relation_equal;
> +}
> +
> +static inline bool float16_lt_quiet(float16 a, float16 b, float_status *s)
> +{
> + return float16_compare_quiet(a, b, s) < float_relation_equal;
> +}
> +
> +static inline bool float16_unordered_quiet(float16 a, float16 b,
> + float_status *s)
> +{
> + return float16_compare_quiet(a, b, s) == float_relation_unordered;
> +}
> +
> #define float16_zero make_float16(0)
> #define float16_half make_float16(0x3800)
> #define float16_one make_float16(0x3c00)
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index 39f44d1..c68e6c4 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -3955,12 +3955,6 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void
> *vs2, \
> } \
> }
>
> -static bool float16_eq_quiet(uint16_t a, uint16_t b, float_status *s)
> -{
> - FloatRelation compare = float16_compare_quiet(a, b, s);
> - return compare == float_relation_equal;
> -}
> -
> GEN_VEXT_CMP_VV_ENV(vmfeq_vv_h, uint16_t, H2, float16_eq_quiet)
> GEN_VEXT_CMP_VV_ENV(vmfeq_vv_w, uint32_t, H4, float32_eq_quiet)
> GEN_VEXT_CMP_VV_ENV(vmfeq_vv_d, uint64_t, H8, float64_eq_quiet)
> @@ -4017,12 +4011,6 @@ GEN_VEXT_CMP_VF(vmfne_vf_h, uint16_t, H2, vmfne16)
> GEN_VEXT_CMP_VF(vmfne_vf_w, uint32_t, H4, vmfne32)
> GEN_VEXT_CMP_VF(vmfne_vf_d, uint64_t, H8, vmfne64)
>
> -static bool float16_lt(uint16_t a, uint16_t b, float_status *s)
> -{
> - FloatRelation compare = float16_compare(a, b, s);
> - return compare == float_relation_less;
> -}
> -
> GEN_VEXT_CMP_VV_ENV(vmflt_vv_h, uint16_t, H2, float16_lt)
> GEN_VEXT_CMP_VV_ENV(vmflt_vv_w, uint32_t, H4, float32_lt)
> GEN_VEXT_CMP_VV_ENV(vmflt_vv_d, uint64_t, H8, float64_lt)
> @@ -4030,13 +4018,6 @@ GEN_VEXT_CMP_VF(vmflt_vf_h, uint16_t, H2, float16_lt)
> GEN_VEXT_CMP_VF(vmflt_vf_w, uint32_t, H4, float32_lt)
> GEN_VEXT_CMP_VF(vmflt_vf_d, uint64_t, H8, float64_lt)
>
> -static bool float16_le(uint16_t a, uint16_t b, float_status *s)
> -{
> - FloatRelation compare = float16_compare(a, b, s);
> - return compare == float_relation_less ||
> - compare == float_relation_equal;
> -}
> -
> GEN_VEXT_CMP_VV_ENV(vmfle_vv_h, uint16_t, H2, float16_le)
> GEN_VEXT_CMP_VV_ENV(vmfle_vv_w, uint32_t, H4, float32_le)
> GEN_VEXT_CMP_VV_ENV(vmfle_vv_d, uint64_t, H8, float64_le)
> @@ -4091,12 +4072,6 @@ GEN_VEXT_CMP_VF(vmfge_vf_h, uint16_t, H2, vmfge16)
> GEN_VEXT_CMP_VF(vmfge_vf_w, uint32_t, H4, vmfge32)
> GEN_VEXT_CMP_VF(vmfge_vf_d, uint64_t, H8, vmfge64)
>
> -static bool float16_unordered_quiet(uint16_t a, uint16_t b, float_status *s)
> -{
> - FloatRelation compare = float16_compare_quiet(a, b, s);
> - return compare == float_relation_unordered;
> -}
> -
> GEN_VEXT_CMP_VV_ENV(vmford_vv_h, uint16_t, H2, !float16_unordered_quiet)
> GEN_VEXT_CMP_VV_ENV(vmford_vv_w, uint32_t, H4, !float32_unordered_quiet)
> GEN_VEXT_CMP_VV_ENV(vmford_vv_d, uint64_t, H8, !float64_unordered_quiet)
> --
> 2.7.4
>
>
