1 files changed, 23 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/math/x86_64/fma.c b/libc-top-half/musl/src/math/x86_64/fma.c
new file mode 100644
index 0000000..4dd53f2
--- /dev/null
+++ b/libc-top-half/musl/src/math/x86_64/fma.c
@@ -0,0 +1,23 @@
+#include <math.h>
+
+#if __FMA__
+
+double fma(double x, double y, double z)
+{
+	__asm__ ("vfmadd132sd %1, %2, %0" : "+x" (x) : "x" (y), "x" (z));
+	return x;
+}
+
+#elif __FMA4__
+
+double fma(double x, double y, double z)
+{
+	__asm__ ("vfmaddsd %3, %2, %1, %0" : "=x" (x) : "x" (x), "x" (y), "x" (z));
+	return x;
+}
+
+#else
+
+#include "../fma.c"
+
+#endif