diff --git a/libm/builtins.cpp b/libm/builtins.cpp
index cf00f52..58cd81d 100644
--- a/libm/builtins.cpp
+++ b/libm/builtins.cpp
@@ -25,13 +25,19 @@
 #if defined(__aarch64__)
 float ceilf(float x) { return __builtin_ceilf(x); }
 double ceil(double x) { return __builtin_ceil(x); }
+#endif
 
+#if defined(__aarch64__) || defined(__riscv)
 double copysign(double x, double y) { return __builtin_copysign(x, y); }
 float copysignf(float x, float y) { return __builtin_copysignf(x, y); }
+#endif
 
+#if defined(__aarch64__)
 float floorf(float x) { return __builtin_floorf(x); }
 double floor(double x) { return __builtin_floor(x); }
+#endif
 
+#if defined(__aarch64__) || defined(__riscv)
 float fmaf(float x, float y, float z) { return __builtin_fmaf(x, y, z); }
 double fma(double x, double y, double z) { return __builtin_fma(x, y, z); }
 
@@ -45,7 +51,9 @@
 long lroundf(float x) { return __builtin_lroundf(x); }
 long long llround(double x) { return __builtin_llround(x); }
 long long llroundf(float x) { return __builtin_llroundf(x); }
+#endif
 
+#if defined(__aarch64__)
 float rintf(float x) { return __builtin_rintf(x); }
 double rint(double x) { return __builtin_rint(x); }