fix glmm_fmsub() on arm-neon

recp · Dec 10, 2023 · 8a1d1cf · 8a1d1cf
1 parent 7ccf199
commit 8a1d1cf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/cglm/simd/arm.h b/include/cglm/simd/arm.h
@@ -177,7 +177,7 @@ glmm_fmsub(float32x4_t a, float32x4_t b, float32x4_t c) {
 #if CGLM_ARM64
   return vfmsq_f32(c, a, b);
 #else
-  return vmlsq_f32(c, a, b);
+  return vmlsq_f32(vnegq_f32(c), a, b);
 #endif
 }