File ifunc-fma4.patch of Package glibc

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File ifunc-fma4.patch of Package glibc (Revision 698e906908fe587c9c9a0733cf9f7467)

Currently displaying revision 698e906908fe587c9c9a0733cf9f7467 , Show latest

From 23af890b3f04e80da783ba64e6b6d94822e01d54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Ho=C5=A1ek?= <ondra.hosek@gmail.com>
Date: Wed, 26 Aug 2020 04:26:50 +0200
Subject: [PATCH] x86-64: Fix FMA4 detection in ifunc [BZ #26534]

A typo in commit 107e6a3c2212ba7a3a4ec7cae8d82d73f7c95d0b causes the
FMA4 code path to be taken on systems that support FMA, even if they do
not support FMA4. Fix this to detect FMA4.
---
 sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h b/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h
index 7659758972..e5fd5ac9cb 100644
--- a/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h
+++ b/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h
@@ -32,7 +32,7 @@ IFUNC_SELECTOR (void)
       && CPU_FEATURE_USABLE_P (cpu_features, AVX2))
     return OPTIMIZE (fma);
 
-  if (CPU_FEATURE_USABLE_P (cpu_features, FMA))
+  if (CPU_FEATURE_USABLE_P (cpu_features, FMA4))
     return OPTIMIZE (fma4);
 
   return OPTIMIZE (sse2);
-- 
2.28.0

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File ifunc-fma4.patch of Package glibc (Revision 698e906908fe587c9c9a0733cf9f7467)

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