--- a/src/arch/helperpurec_scalar.h	2023-04-07 19:54:14.823254936 +0200
+++ b/src/arch/helperpurec_scalar.h	2023-04-07 19:54:29.684024763 +0200
@@ -54,7 +54,7 @@
 #define ENABLE_FMA_SP
 //@#define ENABLE_FMA_SP
 
-#if defined(__AVX2__) || defined(__aarch64__) || defined(__arm__) || defined(__powerpc64__) || defined(__zarch__)
+#if defined(__AVX2__) || defined(__aarch64__) || defined(__arm__) || defined(__powerpc64__) || defined(__zarch__) || defined(__riscv)
 #ifndef FP_FAST_FMA
 #define FP_FAST_FMA
 //@#define FP_FAST_FMA
