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Pass buffers by reference to save significant text section code size.

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752 bytes!
This commit is contained in:
Jared Boone 2016-01-03 23:09:06 -08:00
parent b03da8d693
commit b0855b3c4d
2 changed files with 38 additions and 38 deletions
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36
firmware/baseband/dsp_decimate.cpp
View File

@ -199,8 +199,8 @@ void FIRC8xR16x24FS4Decim4::configure(
}
buffer_c16_t FIRC8xR16x24FS4Decim4::execute(
buffer_c8_t src,
buffer_c16_t dst
const buffer_c8_t& src,
const buffer_c16_t& dst
) {
vec2_s16* const z = static_cast<vec2_s16*>(__builtin_assume_aligned(z_.data(), 4));
const vec2_s16* const t = static_cast<vec2_s16*>(__builtin_assume_aligned(taps_.data(), 4));
@ -264,8 +264,8 @@ void FIRC8xR16x24FS4Decim8::configure(
}
buffer_c16_t FIRC8xR16x24FS4Decim8::execute(
buffer_c8_t src,
buffer_c16_t dst
const buffer_c8_t& src,
const buffer_c16_t& dst
) {
vec2_s16* const z = static_cast<vec2_s16*>(__builtin_assume_aligned(z_.data(), 4));
const vec2_s16* const t = static_cast<vec2_s16*>(__builtin_assume_aligned(taps_.data(), 4));
@ -322,8 +322,8 @@ void FIRC16xR16x16Decim2::configure(
}
buffer_c16_t FIRC16xR16x16Decim2::execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
) {
vec2_s16* const z = static_cast<vec2_s16*>(__builtin_assume_aligned(z_.data(), 4));
const vec2_s16* const t = static_cast<vec2_s16*>(__builtin_assume_aligned(taps_.data(), 4));
@ -376,8 +376,8 @@ void FIRC16xR16x32Decim8::configure(
}
buffer_c16_t FIRC16xR16x32Decim8::execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
) {
vec2_s16* const z = static_cast<vec2_s16*>(__builtin_assume_aligned(z_.data(), 4));
const vec2_s16* const t = static_cast<vec2_s16*>(__builtin_assume_aligned(taps_.data(), 4));
@ -423,7 +423,7 @@ buffer_c16_t FIRC16xR16x32Decim8::execute(
};
}
buffer_c16_t Complex8DecimateBy2CIC3::execute(buffer_c8_t src, buffer_c16_t dst) {
buffer_c16_t Complex8DecimateBy2CIC3::execute(const buffer_c8_t& src, const buffer_c16_t& dst) {
/* Decimates by two using a non-recursive third-order CIC filter.
*/
@ -480,7 +480,7 @@ buffer_c16_t Complex8DecimateBy2CIC3::execute(buffer_c8_t src, buffer_c16_t dst)
return { dst.p, src.count / 2, src.sampling_rate / 2 };
}
buffer_c16_t TranslateByFSOver4AndDecimateBy2CIC3::execute(buffer_c8_t src, buffer_c16_t dst) {
buffer_c16_t TranslateByFSOver4AndDecimateBy2CIC3::execute(const buffer_c8_t& src, const buffer_c16_t& dst) {
/* Translates incoming complex<int8_t> samples by -fs/4,
* decimates by two using a non-recursive third-order CIC filter.
*/
@ -565,8 +565,8 @@ buffer_c16_t TranslateByFSOver4AndDecimateBy2CIC3::execute(buffer_c8_t src, buff
}
buffer_c16_t DecimateBy2CIC3::execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
) {
/* Complex non-recursive 3rd-order CIC filter (taps 1,3,3,1).
* Gain of 8.
@ -625,8 +625,8 @@ void FIR64AndDecimateBy2Real::configure(
}
buffer_s16_t FIR64AndDecimateBy2Real::execute(
buffer_s16_t src,
buffer_s16_t dst
const buffer_s16_t& src,
const buffer_s16_t& dst
) {
/* int16_t input (sample count "n" must be multiple of 4)
* -> int16_t output, decimated by 2.
@ -658,8 +658,8 @@ buffer_s16_t FIR64AndDecimateBy2Real::execute(
}
buffer_c16_t FIRAndDecimateComplex::execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
) {
/* int16_t input (sample count "n" must be multiple of decimation_factor)
* -> int16_t output, decimated by decimation_factor.
@ -768,8 +768,8 @@ buffer_c16_t FIRAndDecimateComplex::execute(
}
buffer_s16_t DecimateBy2CIC4Real::execute(
buffer_s16_t src,
buffer_s16_t dst
const buffer_s16_t& src,
const buffer_s16_t& dst
) {
auto src_p = src.p;
auto dst_p = dst.p;

40
firmware/baseband/dsp_decimate.hpp
View File

@ -39,8 +39,8 @@ namespace decimate {
class Complex8DecimateBy2CIC3 {
public:
buffer_c16_t execute(
buffer_c8_t src,
buffer_c16_t dst
const buffer_c8_t& src,
const buffer_c16_t& dst
);
private:
@ -51,8 +51,8 @@ private:
class TranslateByFSOver4AndDecimateBy2CIC3 {
public:
buffer_c16_t execute(
buffer_c8_t src,
buffer_c16_t dst
const buffer_c8_t& src,
const buffer_c16_t& dst
);
private:
@ -63,8 +63,8 @@ private:
class DecimateBy2CIC3 {
public:
buffer_c16_t execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
);
private:
@ -81,8 +81,8 @@ public:
);
buffer_s16_t execute(
buffer_s16_t src,
buffer_s16_t dst
const buffer_s16_t& src,
const buffer_s16_t& dst
);
private:
@ -112,8 +112,8 @@ public:
);
buffer_c16_t execute(
buffer_c8_t src,
buffer_c16_t dst
const buffer_c8_t& src,
const buffer_c16_t& dst
);
private:
@ -144,8 +144,8 @@ public:
);
buffer_c16_t execute(
buffer_c8_t src,
buffer_c16_t dst
const buffer_c8_t& src,
const buffer_c16_t& dst
);
private:
@ -170,8 +170,8 @@ public:
);
buffer_c16_t execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
);
private:
@ -196,8 +196,8 @@ public:
);
buffer_c16_t execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
);
private:
@ -235,8 +235,8 @@ public:
}
buffer_c16_t execute(
buffer_c16_t src,
buffer_c16_t dst
const buffer_c16_t& src,
const buffer_c16_t& dst
);
private:
@ -251,8 +251,8 @@ private:
class DecimateBy2CIC4Real {
public:
buffer_s16_t execute(
buffer_s16_t src,
buffer_s16_t dst
const buffer_s16_t& src,
const buffer_s16_t& dst
);
private: