mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
Introduce simd32_t type.
Discontinue use of disagreeable __SIMD #define.
This commit is contained in:
Jared Boone
parent
1986d1faca
commit
05eb694c0a
@ -23,6 +23,7 @@
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#define __CHANNEL_STATS_COLLECTOR_H__
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#include "dsp_types.hpp"
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#include "simd.hpp"
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#include "message.hpp"
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#include "utility.hpp"
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@ -35,9 +36,10 @@ class ChannelStatsCollector {
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public:
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template<typename Callback>
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void feed(const buffer_c16_t& src, Callback callback) {
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auto src_p = src.p;
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while(src_p < &src.p[src.count]) {
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const uint32_t sample = *__SIMD32(src_p)++;
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auto src_p = simd32_ptr(src.p);
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const auto end_p = simd32_ptr(&src.p[src.count]);
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while(src_p < end_p) {
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const uint32_t sample = *(src_p++);
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const uint32_t mag_sq = __SMUAD(sample, sample);
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if( mag_sq > max_squared ) {
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max_squared = mag_sq;
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@ -21,6 +21,8 @@
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#include "dsp_decimate.hpp"
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#include "simd.hpp"
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#include <hal.h>
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namespace dsp {
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@ -566,39 +568,39 @@ buffer_c16_t DecimateBy2CIC3::execute(
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uint32_t t1 = _iq0;
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uint32_t t2 = _iq1;
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const uint32_t taps = 0x00000003;
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auto s = src.p;
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auto d = dst.p;
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const auto d_end = &dst.p[src.count / 2];
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auto s = simd32_ptr(&src.p[0]);
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auto d = simd32_ptr(&dst.p[0]);
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const auto d_end = simd32_ptr(&dst.p[src.count / 2]);
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while(d < d_end) {
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uint32_t i = __SXTH(t1, 0); /* 1: I0 */
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uint32_t q = __SXTH(t1, 16); /* 1: Q0 */
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i = __SMLABB(t2, taps, i); /* 1: I1*3 + I0 */
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q = __SMLATB(t2, taps, q); /* 1: Q1*3 + Q0 */
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const uint32_t t3 = *__SIMD32(s)++; /* 3: Q2:I2 */
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const uint32_t t4 = *__SIMD32(s)++; /* Q3:I3 */
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const uint32_t t3 = *(s++); /* 3: Q2:I2 */
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const uint32_t t4 = *(s++); /* Q3:I3 */
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i = __SMLABB(t3, taps, i); /* 1: I2*3 + I1*3 + I0 */
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q = __SMLATB(t3, taps, q); /* 1: Q2*3 + Q1*3 + Q0 */
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int32_t si0 = __SXTAH(i, t4, 0); /* 1: I3 + Q2*3 + Q1*3 + Q0 */
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int32_t sq0 = __SXTAH(q, t4, 16); /* 1: Q3 + Q2*3 + Q1*3 + Q0 */
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i = __BFI(si0 / 8, sq0 / 8, 16, 16); /* 1: D2_Q0:D2_I0 */
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*__SIMD32(d)++ = i; /* D2_Q0:D2_I0 */
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*(d++) = i; /* D2_Q0:D2_I0 */
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i = __SXTH(t3, 0); /* 1: I2 */
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q = __SXTH(t3, 16); /* 1: Q2 */
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i = __SMLABB(t4, taps, i); /* 1: I3*3 + I2 */
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q = __SMLATB(t4, taps, q); /* 1: Q3*3 + Q2 */
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t1 = *__SIMD32(s)++; /* 3: Q4:I4 */
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t2 = *__SIMD32(s)++; /* Q5:I5 */
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t1 = *(s++); /* 3: Q4:I4 */
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t2 = *(s++); /* Q5:I5 */
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i = __SMLABB(t1, taps, i); /* 1: I4*3 + I3*3 + I2 */
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q = __SMLATB(t1, taps, q); /* 1: Q4*3 + Q3*3 + Q2 */
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int32_t si1 = __SXTAH(i, t2, 0) ; /* 1: I5 + Q4*3 + Q3*3 + Q2 */
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int32_t sq1 = __SXTAH(q, t2, 16); /* 1: Q5 + Q4*3 + Q3*3 + Q2 */
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i = __BFI(si1 / 8, sq1 / 8, 16, 16); /* 1: D2_Q1:D2_I1 */
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*__SIMD32(d)++ = i; /* D2_Q1:D2_I1 */
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*(d++) = i; /* D2_Q1:D2_I1 */
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}
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_iq0 = t1;
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_iq1 = t2;
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@ -665,57 +667,57 @@ buffer_c16_t FIRAndDecimateComplex::execute(
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const auto output_sampling_rate = src.sampling_rate / decimation_factor_;
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const size_t output_samples = src.count / decimation_factor_;
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sample_t* dst_p = dst.p;
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auto dst_p = simd32_ptr(dst.p);
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const buffer_c16_t result { dst.p, output_samples, output_sampling_rate };
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const sample_t* src_p = src.p;
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auto src_p = simd32_ptr(src.p);
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size_t outer_count = output_samples;
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while(outer_count > 0) {
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/* Put new samples into delay buffer */
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auto z_new_p = &samples_[taps_count_ - decimation_factor_];
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auto z_new_p = simd32_ptr(&samples_[taps_count_ - decimation_factor_]);
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for(size_t i=0; i<decimation_factor_; i++) {
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*__SIMD32(z_new_p)++ = *__SIMD32(src_p)++;
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*(z_new_p++) = *(src_p++);
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}
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size_t loop_count = taps_count_ / 8;
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auto t_p = &taps_reversed_[0];
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auto z_p = &samples_[0];
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auto t_p = simd32_ptr(&taps_reversed_[0]);
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auto z_p = simd32_ptr(&samples_[0]);
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int64_t t_real = 0;
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int64_t t_imag = 0;
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while(loop_count > 0) {
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const auto tap0 = *__SIMD32(t_p)++;
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const auto sample0 = *__SIMD32(z_p)++;
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const auto tap1 = *__SIMD32(t_p)++;
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const auto sample1 = *__SIMD32(z_p)++;
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const auto tap0 = *(t_p++);
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const auto sample0 = *(z_p++);
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const auto tap1 = *(t_p++);
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const auto sample1 = *(z_p++);
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t_real = __SMLSLD(sample0, tap0, t_real);
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t_imag = __SMLALDX(sample0, tap0, t_imag);
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t_real = __SMLSLD(sample1, tap1, t_real);
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t_imag = __SMLALDX(sample1, tap1, t_imag);
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const auto tap2 = *__SIMD32(t_p)++;
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const auto sample2 = *__SIMD32(z_p)++;
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const auto tap3 = *__SIMD32(t_p)++;
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const auto sample3 = *__SIMD32(z_p)++;
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const auto tap2 = *(t_p++);
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const auto sample2 = *(z_p++);
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const auto tap3 = *(t_p++);
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const auto sample3 = *(z_p++);
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t_real = __SMLSLD(sample2, tap2, t_real);
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t_imag = __SMLALDX(sample2, tap2, t_imag);
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t_real = __SMLSLD(sample3, tap3, t_real);
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t_imag = __SMLALDX(sample3, tap3, t_imag);
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const auto tap4 = *__SIMD32(t_p)++;
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const auto sample4 = *__SIMD32(z_p)++;
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const auto tap5 = *__SIMD32(t_p)++;
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const auto sample5 = *__SIMD32(z_p)++;
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const auto tap4 = *(t_p++);
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const auto sample4 = *(z_p++);
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const auto tap5 = *(t_p++);
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const auto sample5 = *(z_p++);
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t_real = __SMLSLD(sample4, tap4, t_real);
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t_imag = __SMLALDX(sample4, tap4, t_imag);
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t_real = __SMLSLD(sample5, tap5, t_real);
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t_imag = __SMLALDX(sample5, tap5, t_imag);
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const auto tap6 = *__SIMD32(t_p)++;
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const auto sample6 = *__SIMD32(z_p)++;
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const auto tap7 = *__SIMD32(t_p)++;
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const auto sample7 = *__SIMD32(z_p)++;
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const auto tap6 = *(t_p++);
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const auto sample6 = *(z_p++);
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const auto tap7 = *(t_p++);
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const auto sample7 = *(z_p++);
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t_real = __SMLSLD(sample6, tap6, t_real);
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t_imag = __SMLALDX(sample6, tap6, t_imag);
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t_real = __SMLSLD(sample7, tap7, t_real);
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@ -731,7 +733,7 @@ buffer_c16_t FIRAndDecimateComplex::execute(
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const int32_t i = t_imag >> 16;
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const int32_t r_sat = __SSAT(r, 16);
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const int32_t i_sat = __SSAT(i, 16);
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*__SIMD32(dst_p)++ = __PKHBT(
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*(dst_p++) = __PKHBT(
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r_sat,
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i_sat,
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16
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@ -741,14 +743,14 @@ buffer_c16_t FIRAndDecimateComplex::execute(
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const size_t unroll_factor = 4;
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size_t shift_count = (taps_count_ - decimation_factor_) / unroll_factor;
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sample_t* t = &samples_[0];
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const sample_t* s = &samples_[decimation_factor_];
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auto t = simd32_ptr(&samples_[0]);
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auto s = simd32_ptr(&samples_[decimation_factor_]);
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while(shift_count > 0) {
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*__SIMD32(t)++ = *__SIMD32(s)++;
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*__SIMD32(t)++ = *__SIMD32(s)++;
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*__SIMD32(t)++ = *__SIMD32(s)++;
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*__SIMD32(t)++ = *__SIMD32(s)++;
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*(t++) = *(s++);
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*(t++) = *(s++);
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*(t++) = *(s++);
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*(t++) = *(s++);
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shift_count--;
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}
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@ -24,6 +24,7 @@
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#include "complex.hpp"
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#include "fxpt_atan2.hpp"
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#include "utility_m4.hpp"
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#include "simd.hpp"
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#include <hal.h>
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@ -34,12 +35,12 @@ buffer_f32_t AM::execute(
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const buffer_c16_t& src,
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const buffer_f32_t& dst
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) {
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const auto src_p = src.p;
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const auto src_end = &src.p[src.count];
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auto src_p = simd32_ptr(src.p);
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auto src_end = simd32_ptr(&src.p[src.count]);
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auto dst_p = dst.p;
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while(src_p < src_end) {
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const uint32_t sample0 = *__SIMD32(src_p)++;
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const uint32_t sample1 = *__SIMD32(src_p)++;
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const uint32_t sample0 = *(src_p++);
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const uint32_t sample1 = *(src_p++);
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const uint32_t mag_sq0 = __SMUAD(sample0, sample0);
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const uint32_t mag_sq1 = __SMUAD(sample1, sample1);
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*(dst_p++) = __builtin_sqrtf(mag_sq0) * k;
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@ -90,12 +91,12 @@ buffer_f32_t FM::execute(
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) {
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auto z = z_;
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const auto src_p = src.p;
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const auto src_end = &src.p[src.count];
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auto src_p = simd32_ptr(src.p);
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auto src_end = simd32_ptr(&src.p[src.count]);
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auto dst_p = dst.p;
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while(src_p < src_end) {
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const auto s0 = *__SIMD32(src_p)++;
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const auto s1 = *__SIMD32(src_p)++;
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const auto s0 = *(src_p++);
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const auto s1 = *(src_p++);
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const auto t0 = multiply_conjugate_s16_s32(s0, z);
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const auto t1 = multiply_conjugate_s16_s32(s1, s0);
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z = s1;
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@ -113,12 +114,12 @@ buffer_s16_t FM::execute(
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) {
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auto z = z_;
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const auto src_p = src.p;
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const auto src_end = &src.p[src.count];
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auto src_p = simd32_ptr(src.p);
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auto src_end = simd32_ptr(&src.p[src.count]);
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auto dst_p = dst.p;
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while(src_p < src_end) {
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const auto s0 = *__SIMD32(src_p)++;
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const auto s1 = *__SIMD32(src_p)++;
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const auto s0 = *(src_p++);
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const auto s1 = *(src_p++);
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const auto t0 = multiply_conjugate_s16_s32(s0, z);
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const auto t1 = multiply_conjugate_s16_s32(s1, s0);
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z = s1;
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@ -126,7 +127,7 @@ buffer_s16_t FM::execute(
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const int32_t theta0_sat = __SSAT(theta0_int, 16);
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const int32_t theta1_int = angle_approx_0deg27(t1) * ks16;
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const int32_t theta1_sat = __SSAT(theta1_int, 16);
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*__SIMD32(dst_p)++ = __PKHBT(
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*(dst_p++) = __PKHBT(
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theta0_sat,
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theta1_sat,
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16
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@ -125,12 +125,6 @@ typedef enum IRQn {
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#ifdef __cplusplus
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/* NOTE: Override old, misbehaving SIMD #defines */
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#define __SIMD32_TYPE int32_t
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#define __SIMD32(addr) (*(__SIMD32_TYPE **) & (addr))
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#define _SIMD32_OFFSET(addr) (*(__SIMD32_TYPE *) (addr))
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/* Overload of __SXTB16() to add ROR argument, since using __ROR() as an
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* argument to the existing __SXTB16() doesn't produce optimum/sane code.
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*/
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@ -28,6 +28,30 @@
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#include <cstdint>
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template<typename T>
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struct simd32_t {
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union {
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uint32_t raw;
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T vec;
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};
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operator uint32_t() const {
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return raw;
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}
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simd32_t& operator=(uint32_t v) {
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raw = v;
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return *this;
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}
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static_assert(sizeof(raw) == sizeof(vec), "simd32_t types are not the same size.");
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};
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template<typename T>
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simd32_t<T>* simd32_ptr(T* const p) {
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return reinterpret_cast<simd32_t<T>*>(p);
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}
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struct vec4_s8 {
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union {
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int8_t v[4];
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