On 17 February 2018 at 18:22, Richard Henderson
<[email protected]> wrote:
> Signed-off-by: Richard Henderson <[email protected]>
> ---
> target/arm/helper-sve.h | 14 +++++++
> target/arm/helper.h | 19 ++++++++++
> target/arm/translate-sve.c | 41 ++++++++++++++++++++
> target/arm/vec_helper.c | 94
> ++++++++++++++++++++++++++++++++++++++++++++++
> target/arm/Makefile.objs | 2 +-
> target/arm/sve.decode | 10 +++++
> 6 files changed, 179 insertions(+), 1 deletion(-)
> create mode 100644 target/arm/vec_helper.c
>
> +/* Floating-point trigonometric starting value.
> + * See the ARM ARM pseudocode function FPTrigSMul.
> + */
> +static float16 float16_ftsmul(float16 op1, uint16_t op2, float_status *stat)
> +{
> + float16 result = float16_mul(op1, op1, stat);
> + if (!float16_is_any_nan(result)) {
> + result = float16_set_sign(result, op2 & 1);
> + }
> + return result;
> +}
> +
> +static float32 float32_ftsmul(float32 op1, uint32_t op2, float_status *stat)
> +{
> + float32 result = float32_mul(op1, op1, stat);
> + if (!float32_is_any_nan(result)) {
> + result = float32_set_sign(result, op2 & 1);
> + }
> + return result;
> +}
> +
> +static float64 float64_ftsmul(float64 op1, uint64_t op2, float_status *stat)
> +{
> + float64 result = float64_mul(op1, op1, stat);
> + if (!float64_is_any_nan(result)) {
> + result = float64_set_sign(result, op2 & 1);
> + }
> + return result;
> +}
> +
> +#define DO_3OP(NAME, FUNC, TYPE) \
> +void HELPER(NAME)(void *vd, void *vn, void *vm, void *stat, uint32_t desc) \
> +{ \
> + intptr_t i, oprsz = simd_oprsz(desc); \
> + TYPE *d = vd, *n = vn, *m = vm; \
> + for (i = 0; i < oprsz / sizeof(TYPE); i++) { \
> + d[i] = FUNC(n[i], m[i], stat); \
> + } \
> +}
> +
> +DO_3OP(gvec_fadd_h, float16_add, float16)
> +DO_3OP(gvec_fadd_s, float32_add, float32)
> +DO_3OP(gvec_fadd_d, float64_add, float64)
> +
> +DO_3OP(gvec_fsub_h, float16_sub, float16)
> +DO_3OP(gvec_fsub_s, float32_sub, float32)
> +DO_3OP(gvec_fsub_d, float64_sub, float64)
> +
> +DO_3OP(gvec_fmul_h, float16_mul, float16)
> +DO_3OP(gvec_fmul_s, float32_mul, float32)
> +DO_3OP(gvec_fmul_d, float64_mul, float64)
> +
> +DO_3OP(gvec_ftsmul_h, float16_ftsmul, float16)
> +DO_3OP(gvec_ftsmul_s, float32_ftsmul, float32)
> +DO_3OP(gvec_ftsmul_d, float64_ftsmul, float64)
> +
> +#ifdef TARGET_AARCH64
This seems a bit odd given SVE is AArch64-only anyway...
> +
> +DO_3OP(gvec_recps_h, helper_recpsf_f16, float16)
> +DO_3OP(gvec_recps_s, helper_recpsf_f32, float32)
> +DO_3OP(gvec_recps_d, helper_recpsf_f64, float64)
> +
> +DO_3OP(gvec_rsqrts_h, helper_rsqrtsf_f16, float16)
> +DO_3OP(gvec_rsqrts_s, helper_rsqrtsf_f32, float32)
> +DO_3OP(gvec_rsqrts_d, helper_rsqrtsf_f64, float64)
> +
> +#endif
> +#undef DO_3OP
> +### SVE Floating Point Arithmetic - Unpredicated Group
> +
> +# SVE floating-point arithmetic (unpredicated)
> +FADD_zzz 01100101 .. 0 ..... 000 000 ..... ..... @rd_rn_rm
> +FSUB_zzz 01100101 .. 0 ..... 000 001 ..... ..... @rd_rn_rm
> +FMUL_zzz 01100101 .. 0 ..... 000 010 ..... ..... @rd_rn_rm
> +FTSMUL 01100101 .. 0 ..... 000 011 ..... ..... @rd_rn_rm
> +FRECPS 01100101 .. 0 ..... 000 110 ..... ..... @rd_rn_rm
> +FRSQRTS 01100101 .. 0 ..... 000 111 ..... .....
> @rd_rn_rm
Another misaligned line.
Reviewed-by: Peter Maydell <[email protected]>
thanks
-- PMM
