[PATCH 3/9] LoongArch: Use __builtin_lrint{,f} with GCC >= 13

Xiaolin Tang tangxiaolin@loongson.cn
Fri Nov 18 11:29:06 GMT 2022


GCC 13 compiles these built-ins instead of generic
implementation for function lrint.

Link: https://gcc.gnu.org/r13-3920
Co-Authored-By: Xi Ruoyao <xry111@xry111.site>
---
 sysdeps/loongarch/fpu/math-use-builtins-lrint.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 sysdeps/loongarch/fpu/math-use-builtins-lrint.h

diff --git a/sysdeps/loongarch/fpu/math-use-builtins-lrint.h b/sysdeps/loongarch/fpu/math-use-builtins-lrint.h
new file mode 100644
index 0000000000..7df8aac81f
--- /dev/null
+++ b/sysdeps/loongarch/fpu/math-use-builtins-lrint.h
@@ -0,0 +1,10 @@
+#if __GNUC_PREREQ (13, 0)
+# define USE_LRINT_BUILTIN 1
+# define USE_LRINTF_BUILTIN 1
+#else
+# define USE_LRINT_BUILTIN 0
+# define USE_LRINTF_BUILTIN 0
+#endif
+
+#define USE_LRINTL_BUILTIN 0
+#define USE_LRINTF128_BUILTIN 0
-- 
2.20.1



More information about the Libc-alpha mailing list