From 03eeeba705cc714e77b0b2710fea2e956ff34f24 Mon Sep 17 00:00:00 2001
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed, 8 Oct 2025 10:55:15 -0300
Subject: math: Remove the SVID error handling from coshf

It improves latency for about 3-10% and throughput for about 5-15%.

Tested on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
---
 math/Versions         |  1 +
 math/w_coshf_compat.c | 12 +++++++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

(limited to 'math')

diff --git a/math/Versions b/math/Versions
index cf79a6107e..642bb9242e 100644
--- a/math/Versions
+++ b/math/Versions
@@ -692,6 +692,7 @@ libm {
     acoshf;
     asinf;
     atanhf;
+    coshf;
     log10f;
   }
 }
diff --git a/math/w_coshf_compat.c b/math/w_coshf_compat.c
index ce5e196c07..bef703becd 100644
--- a/math/w_coshf_compat.c
+++ b/math/w_coshf_compat.c
@@ -20,10 +20,11 @@
 #include <math_private.h>
 #include <math-svid-compat.h>
 #include <libm-alias-float.h>
+#include <shlib-compat.h>
 
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_43)
 float
-__coshf (float x)
+__cosh_compatf (float x)
 {
 	float z = __ieee754_coshf (x);
 	if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
@@ -32,5 +33,10 @@ __coshf (float x)
 
 	return z;
 }
-libm_alias_float (__cosh, cosh)
+# ifdef NO_COMPAT_NEEDED
+strong_alias (__cosh_compatf, __coshf)
+libm_alias_float (__cosh_compat, cosh)
+# else
+compat_symbol (libm, __cosh_compatf, coshf, GLIBC_2_0);
+# endif
 #endif
-- 
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