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GCC: Fixed __SIMD32 type punning warnings.

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With help from https://github.com/ARM-software/CMSIS_5/issues/98

Using void* makes me really queasy though!
This commit is contained in:
Jared Boone 2017-08-08 10:24:49 -07:00
parent 245dad6b05
commit 74ecff13ad
3 changed files with 15 additions and 15 deletions
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20
firmware/baseband/dsp_decimate.cpp
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@ -566,8 +566,8 @@ buffer_c16_t DecimateBy2CIC3::execute(
uint32_t t1 = _iq0;
uint32_t t2 = _iq1;
const uint32_t taps = 0x00000003;
auto s = src.p;
auto d = dst.p;
void* s = src.p;
void* d = dst.p;
const auto d_end = &dst.p[src.count / 2];
while(d < d_end) {
uint32_t i = __SXTH(t1, 0); /* 1: I0 */
@ -665,21 +665,21 @@ buffer_c16_t FIRAndDecimateComplex::execute(
const auto output_sampling_rate = src.sampling_rate / decimation_factor_;
const size_t output_samples = src.count / decimation_factor_;
sample_t* dst_p = dst.p;
void* dst_p = dst.p;
const buffer_c16_t result { dst.p, output_samples, output_sampling_rate };
const sample_t* src_p = src.p;
const void* src_p = src.p;
size_t outer_count = output_samples;
while(outer_count > 0) {
/* Put new samples into delay buffer */
auto z_new_p = &samples_[taps_count_ - decimation_factor_];
void* z_new_p = &samples_[taps_count_ - decimation_factor_];
for(size_t i=0; i<decimation_factor_; i++) {
*__SIMD32(z_new_p)++ = *__SIMD32(src_p)++;
}
size_t loop_count = taps_count_ / 8;
auto t_p = &taps_reversed_[0];
auto z_p = &samples_[0];
void* t_p = &taps_reversed_[0];
void* z_p = &samples_[0];
int64_t t_real = 0;
int64_t t_imag = 0;
@ -741,8 +741,8 @@ buffer_c16_t FIRAndDecimateComplex::execute(
const size_t unroll_factor = 4;
size_t shift_count = (taps_count_ - decimation_factor_) / unroll_factor;
sample_t* t = &samples_[0];
const sample_t* s = &samples_[decimation_factor_];
void* t = &samples_[0];
const void* s = &samples_[decimation_factor_];
while(shift_count > 0) {
*__SIMD32(t)++ = *__SIMD32(s)++;
@ -754,7 +754,7 @@ buffer_c16_t FIRAndDecimateComplex::execute(
shift_count = (taps_count_ - decimation_factor_) % unroll_factor;
while(shift_count > 0) {
*(t++) = *(s++);
*__SIMD32(t)++ = *__SIMD32(s)++;
shift_count--;
}