diff options
Diffstat (limited to 'celt/arm/celt_neon_intr.c')
| -rw-r--r-- | celt/arm/celt_neon_intr.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/celt/arm/celt_neon_intr.c b/celt/arm/celt_neon_intr.c index effda769..c8301101 100644 --- a/celt/arm/celt_neon_intr.c +++ b/celt/arm/celt_neon_intr.c @@ -97,6 +97,14 @@ void xcorr_kernel_neon_fixed(const opus_val16 * x, const opus_val16 * y, opus_va } #else + +#if defined(__ARM_FEATURE_FMA) && defined(__ARM_ARCH_ISA_A64) +/* If we can, force the compiler to use an FMA instruction rather than break + * vmlaq_f32() into fmul/fadd. */ +#define vmlaq_lane_f32(a,b,c,lane) vfmaq_lane_f32(a,b,c,lane) +#endif + + /* * Function: xcorr_kernel_neon_float * --------------------------------- |