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Reorganize configure's detection of intrinsics functions:

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Actually try to compile intrinsics rather than using the output of --help.
Allow caller of configure script to set custom compiler options to enable intrinsics.
Detect when intrinsics are always available, without needing special compiler options.
Make naming of #defines for detected intrinsics support more systematic.
This commit is contained in:
Jonathan Lennox 2015-08-03 17:04:20 -04:00 • committed by Jean-Marc Valin
parent 56d850412a
commit b4aa5dc858
7 changed files with 209 additions and 132 deletions
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4
celt/arm/pitch_arm.h
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@ -54,10 +54,10 @@ opus_val32 celt_pitch_xcorr_edsp(const opus_val16 *_x, const opus_val16 *_y,
#else /* Start !FIXED_POINT */
/* Float case */
#if defined(OPUS_ARM_NEON_INTR)
#if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
void celt_pitch_xcorr_float_neon(const opus_val16 *_x, const opus_val16 *_y,
opus_val32 *xcorr, int len, int max_pitch);
#if !defined(OPUS_HAVE_RTCD)
#if !defined(OPUS_HAVE_RTCD) || defined(OPUS_ARM_PRESUME_NEON_INTR)
#define OVERRIDE_PITCH_XCORR (1)
# define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
((void)(arch),celt_pitch_xcorr_float_neon(_x, _y, xcorr, len, max_pitch))