[glibc] LoongArch: Use __builtin_{fmax, fmaxf, fmin, fminf} with GCC >= 13

[glibc] LoongArch: Use __builtin_{fmax, fmaxf, fmin, fminf} with GCC >= 13

[Yinyu Cai]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=241603123c2a1beb7e599bd012c542479e216473

commit 241603123c2a1beb7e599bd012c542479e216473
Author: Xi Ruoyao <xry111@xry111.site>
Date:   Sat Aug 20 16:43:44 2022 +0800

    LoongArch: Use __builtin_{fmax,fmaxf,fmin,fminf} with GCC >= 13
    
    GCC 13 compiles these built-ins to {fmax,fmin}.{s/d} instruction, use
    them instead of the generic implementation.
    
    Link: https://gcc.gnu.org/r13-2085
    Signed-off-by: Xi Ruoyao <xry111@xry111.site>

Diff:
---
 sysdeps/loongarch/fpu/math-use-builtins-fmax.h | 10 ++++++++++
 sysdeps/loongarch/fpu/math-use-builtins-fmin.h | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/sysdeps/loongarch/fpu/math-use-builtins-fmax.h b/sysdeps/loongarch/fpu/math-use-builtins-fmax.h
new file mode 100644
index 0000000000..5d22567bd3
--- /dev/null
+++ b/sysdeps/loongarch/fpu/math-use-builtins-fmax.h
@@ -0,0 +1,10 @@
+#if __GNUC_PREREQ (13, 0)
+# define USE_FMAX_BUILTIN 1
+# define USE_FMAXF_BUILTIN 1
+#else
+# define USE_FMAX_BUILTIN 0
+# define USE_FMAXF_BUILTIN 0
+#endif
+
+#define USE_FMAXL_BUILTIN 0
+#define USE_FMAXF128_BUILTIN 0
diff --git a/sysdeps/loongarch/fpu/math-use-builtins-fmin.h b/sysdeps/loongarch/fpu/math-use-builtins-fmin.h
new file mode 100644
index 0000000000..4d28b41c0d
--- /dev/null
+++ b/sysdeps/loongarch/fpu/math-use-builtins-fmin.h
@@ -0,0 +1,10 @@
+#if __GNUC_PREREQ (13, 0)
+# define USE_FMIN_BUILTIN 1
+# define USE_FMINF_BUILTIN 1
+#else
+# define USE_FMIN_BUILTIN 0
+# define USE_FMINF_BUILTIN 0
+#endif
+
+#define USE_FMINL_BUILTIN 0
+#define USE_FMINF128_BUILTIN 0