LoongArch: Use __builtin_{fma, fmaf} to implement function {fma, fmaf}.

Use __builtin_{fma, fmaf} to implement function {fma, fmaf} instead of
the generic implementation.

       *  sysdeps/loongarch/fpu/math-use-builtins-fma.h: New file.

diff --git a/sysdeps/loongarch/fpu/math-use-builtins-fma.h b/sysdeps/loongarch/fpu/math-use-builtins-fma.h
new file mode 100644 (file)
index 0000000..eede75a
--- /dev/null
+++ b/sysdeps/loongarch/fpu/math-use-builtins-fma.h
@@ -0,0 +1,4 @@
+#define USE_FMA_BUILTIN 1
+#define USE_FMAF_BUILTIN 1
+#define USE_FMAL_BUILTIN 0
+#define USE_FMAF128_BUILTIN 0