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Couple of fixes for FloatVectorOperations on NEON, and added a subtract() function.

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This commit is contained in:
jules 2013-12-03 11:20:14 +00:00
parent d226fea10e
commit 5601a244d3
2 changed files with 29 additions and 14 deletions
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36
modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp
View file

@ -163,10 +163,8 @@ namespace FloatVectorHelpers
src += 4; \
}
if (isMinimum)
JUCE_MINIMUMMAXIMUM_NEON_LOOP (vld1q_f32, vminq_f32)
else
JUCE_MINIMUMMAXIMUM_NEON_LOOP (vld1q_f32, vmaxq_f32)
if (isMinimum) { JUCE_MINIMUMMAXIMUM_NEON_LOOP (vld1q_f32, vminq_f32) }
else { JUCE_MINIMUMMAXIMUM_NEON_LOOP (vld1q_f32, vmaxq_f32) }
float localVal;
@ -274,6 +272,19 @@ void JUCE_CALLTYPE FloatVectorOperations::copyWithMultiply (float* dest, const f
#endif
}
void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, float amount, int num) noexcept
{
#if JUCE_USE_ARM_NEON
const float32x4_t amountToAdd = vld1q_dup_f32(&amount);
JUCE_PERFORM_NEON_OP_DEST (dest[i] += amount, vaddq_f32 (d, amountToAdd), JUCE_LOAD_DEST)
#else
#if JUCE_USE_SSE_INTRINSICS
const __m128 amountToAdd = _mm_load1_ps (&amount);
#endif
JUCE_PERFORM_SSE_OP_DEST (dest[i] += amount, _mm_add_ps (d, amountToAdd), JUCE_LOAD_DEST)
#endif
}
void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, const float* src, int num) noexcept
{
#if JUCE_USE_VDSP_FRAMEWORK
@ -285,16 +296,14 @@ void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, const float* src, in
#endif
}
void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, float amount, int num) noexcept
void JUCE_CALLTYPE FloatVectorOperations::subtract (float* dest, const float* src, int num) noexcept
{
#if JUCE_USE_ARM_NEON
const float32x4_t amountToAdd = vld1q_dup_f32(&amount);
JUCE_PERFORM_NEON_OP_DEST (dest[i] += amount, vaddq_f32 (d, amountToAdd), JUCE_LOAD_DEST)
#if JUCE_USE_VDSP_FRAMEWORK
vDSP_vsub (src, 1, dest, 1, dest, 1, num);
#elif JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_SRC_DEST (dest[i] -= src[i], vsubq_f32 (d, s), JUCE_LOAD_SRC_DEST)
#else
#if JUCE_USE_SSE_INTRINSICS
const __m128 amountToAdd = _mm_load1_ps (&amount);
#endif
JUCE_PERFORM_SSE_OP_DEST (dest[i] += amount, _mm_add_ps (d, amountToAdd), JUCE_LOAD_DEST)
JUCE_PERFORM_SSE_OP_SRC_DEST (dest[i] -= src[i], _mm_sub_ps (d, s), JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST)
#endif
}
@ -567,6 +576,9 @@ public:
FloatVectorOperations::negate (data2, data1, num);
expect (areAllValuesEqual (data2, num, -256.0f));
FloatVectorOperations::subtract (data1, data2, num);
expect (areAllValuesEqual (data1, num, 512.0f));
fillRandomly (int1, num);
FloatVectorOperations::convertFixedToFloat (data1, int1, 2.0f, num);
convertFixed (data2, int1, 2.0f, num);

7
modules/juce_audio_basics/buffers/juce_FloatVectorOperations.h
View file

@ -47,11 +47,14 @@ public:
/** Copies a vector of floats, multiplying each value by a given multiplier */
static void JUCE_CALLTYPE copyWithMultiply (float* dest, const float* src, float multiplier, int numValues) noexcept;
/** Adds a fixed value to the destination values. */
static void JUCE_CALLTYPE add (float* dest, float amount, int numValues) noexcept;
/** Adds the source values to the destination values. */
static void JUCE_CALLTYPE add (float* dest, const float* src, int numValues) noexcept;
/** Adds a fixed value to the destination values. */
static void JUCE_CALLTYPE add (float* dest, float amount, int numValues) noexcept;
/** Subtracts the source values from the destination values. */
static void JUCE_CALLTYPE subtract (float* dest, const float* src, int numValues) noexcept;
/** Multiplies each source value by the given multiplier, then adds it to the destination value. */
static void JUCE_CALLTYPE addWithMultiply (float* dest, const float* src, float multiplier, int numValues) noexcept;