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arm: fix glmm_vhadd on ARM32

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Recep Aslantas
2024-04-06 14:09:52 +03:00
parent a94f839d6d
commit b3308af146
1 changed files with 5 additions and 1 deletions
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6
include/cglm/simd/arm.h
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@@ -63,10 +63,14 @@ static inline float32x4_t glmm_max(float32x4_t a, float32x4_t b) { return vmaxq_
static inline
float32x4_t
glmm_vhadd(float32x4_t v) {
#if CGLM_ARM64
float32x4_t p;
p = vpaddq_f32(v, v); /* [a+b, c+d, a+b, c+d] */
return vpaddq_f32(p, p); /* [t, t, t, t] */;
#else
return vaddq_f32(vaddq_f32(glmm_splat_x(v), glmm_splat_y(v)),
vaddq_f32(glmm_splat_z(v), glmm_splat_w(v)));
#endif
/* TODO: measure speed of this compare to above */
/* return vdupq_n_f32(vaddvq_f32(v)); */