Fixed NEON detection and added AVX2 detection to spandsp
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dc604fd589
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@ -135,6 +135,7 @@ AC_ARG_ENABLE(sse4_2, [ --enable-sse4-2 Enable SSE4.2 support])
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AC_ARG_ENABLE(sse4a, [ --enable-sse4a Enable SSE4A support])
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AC_ARG_ENABLE(sse5, [ --enable-sse5 Enable SSE5 support])
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AC_ARG_ENABLE(avx, [ --enable-avx Enable AVX support])
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AC_ARG_ENABLE(avx2, [ --enable-avx2 Enable AVX2 support])
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AC_ARG_ENABLE(neon, [ --enable-neon Enable NEON support])
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AC_ARG_ENABLE(fixed_point, [ --enable-fixed-point Enable fixed point support])
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# The following is for MSVC, where we may be using a local copy of libtiff, built alongside spandsp
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@ -162,6 +163,7 @@ fi
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AX_C99_FLEXIBLE_ARRAY
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AC_CHECK_FUNCS([aligned_alloc])
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AC_CHECK_FUNCS([memmove])
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AC_CHECK_FUNCS([memset])
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AC_CHECK_FUNCS([select])
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@ -339,6 +341,9 @@ gnu)
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if test "$enable_neon" = "yes" ; then
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COMP_VENDOR_CFLAGS="-mfpu=neon $COMP_VENDOR_CFLAGS"
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fi
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if test "$enable_avx2" = "yes" ; then
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COMP_VENDOR_CFLAGS="-mavx2 $COMP_VENDOR_CFLAGS"
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fi
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if test "$enable_avx" = "yes" ; then
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COMP_VENDOR_CFLAGS="-mavx $COMP_VENDOR_CFLAGS"
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fi
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@ -403,6 +408,9 @@ intel)
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if test x"$ac_cv_gcc_unused_but_set_variable" = xyes ; then
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COMP_VENDOR_CFLAGS="-Wunused-but-set-variable $COMP_VENDOR_CFLAGS"
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fi
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if test "$enable_avx2" = "yes" ; then
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COMP_VENDOR_CFLAGS="-mavx2 $COMP_VENDOR_CFLAGS"
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fi
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if test "$enable_avx" = "yes" ; then
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COMP_VENDOR_CFLAGS="-mavx $COMP_VENDOR_CFLAGS"
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fi
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@ -464,6 +472,10 @@ armv7[bl] | armv7-*)
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fi
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;;
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x86_64-* | i386-* | i686-*)
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if test "$enable_avx2" = "yes" ; then
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AC_DEFINE([SPANDSP_USE_AVX2], [1], [Use the AVX2 instruction set (i386 and x86_64 only).])
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enable_avx="yes"
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fi
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if test "$enable_avx" = "yes" ; then
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AC_DEFINE([SPANDSP_USE_AVX], [1], [Use the AVX instruction set (i386 and x86_64 only).])
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enable_sse5="yes"
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@ -518,6 +530,7 @@ AM_CONDITIONAL([COND_SSE4_2], [test "$enable_sse4_2" = yes])
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AM_CONDITIONAL([COND_SSE4A], [test "$enable_sse4a" = yes])
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AM_CONDITIONAL([COND_SSE5], [test "$enable_sse5" = yes])
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AM_CONDITIONAL([COND_AVX], [test "$enable_avx" = yes])
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AM_CONDITIONAL([COND_AVX2], [test "$enable_avx2" = yes])
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AM_CONDITIONAL([COND_NEON], [test "$enable_neon" = yes])
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if test "$enable_builtin_tiff" = "yes" ; then
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@ -23,19 +23,21 @@ gnu)
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CFLAGS="${CFLAGS} -mfpu=neon"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <arm_neon.h>
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int32x4_t testfunc(int16_t *a, int16_t *b)
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{
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return vmull_s16(vld1_s16(a), vld1_s16(b));
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}
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int main(int argc, char *argv[])
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{
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[
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#include <inttypes.h>
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#include <arm_neon.h>
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int32x4_t testfunc(int16_t *a, int16_t *b)
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{
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return vmull_s16(vld1_s16(a), vld1_s16(b));
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}
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],
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[
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int32x4_t z;
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int16_t x[8];
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int16_t y[8];
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int16_t x[[8]];
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int16_t y[[8]];
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z = testfunc(x, y);
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}],
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[;]
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]
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)],
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[AC_MSG_RESULT([yes])
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