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authorNoah Goldstein <goldstein.w.n@gmail.com>2021-10-26 19:43:18 -0500
committerNoah Goldstein <goldstein.w.n@gmail.com>2021-10-27 13:03:46 -0500
commitcf4fd28ea453d1a9cec93939bc88b58ccef5437a (patch)
treed60d3e49cd50ecfefe85f1fbdf0a419dc1a8120c /sysdeps/x86_64/multiarch/memcmpeq-sse2.S
parentcf3acd774f4c11e90cdc28192d69c60e2c02a004 (diff)
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x86_64: Add support for __memcmpeq using sse2, avx2, and evex
No bug. This commit adds support for __memcmpeq to be implemented
seperately from memcmp. Support is added for versions optimized with
sse2, avx2, and evex.
Diffstat (limited to 'sysdeps/x86_64/multiarch/memcmpeq-sse2.S')
-rw-r--r--sysdeps/x86_64/multiarch/memcmpeq-sse2.S23
1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/memcmpeq-sse2.S b/sysdeps/x86_64/multiarch/memcmpeq-sse2.S
new file mode 100644
index 0000000000..c488cbbcd9
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/memcmpeq-sse2.S
@@ -0,0 +1,23 @@
+/* __memcmpeq optimized with SSE2.
+   Copyright (C) 2017-2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef memcmp
+# define memcmp	__memcmpeq_sse2
+#endif
+#define USE_AS_MEMCMPEQ	1
+#include "memcmp-sse2.S"