gosthash2012: Fix compiling sse41 on Clang

Cannot detect presence of __SSE4_1__ anymore, since Clang applies target only to a function. Link: https://clang.llvm.org/docs/LanguageExtensions.html#subject-match-rules Signed-off-by: Vitaly Chikunov <[email protected]>
gost-engine · Nov 27, 2021 · 55bb508 · 55bb508
1 parent 564f36a
commit 55bb508
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Showing 2 changed files with 11 additions and 7 deletions.
diff --git a/gosthash2012_dispatch.h b/gosthash2012_dispatch.h
@@ -52,11 +52,19 @@
 /* Construct SSE4.1 implementation. */
 # define g g_sse41
 # define __GOST3411_USE_SSE41__
-# pragma GCC push_options
-# pragma GCC target("sse4")
+# if defined(__clang__)
+#  pragma clang attribute push (__attribute__((target("sse4.1"))), apply_to = function)
+# elif defined(__GNUC__)
+#  pragma GCC push_options
+#  pragma GCC target("sse4.1")
+# endif
 # include "gosthash2012_sse41.h"
 # include "gosthash2012_g.h"
-# pragma GCC pop_options
+# if defined(__clang__)
+#  pragma clang attribute pop
+# elif defined(__GNUC__)
+#  pragma GCC pop_options
+# endif
 # undef LOAD
 # undef UNLOAD
 # undef X128R

diff --git a/gosthash2012_sse41.h b/gosthash2012_sse41.h
@@ -5,10 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0+
  */
 
-#ifndef __SSE4_1__
-#error "GOST R 34.11-2012: SSE4.1 not enabled"
-#endif
-
 #include <mmintrin.h>
 #include <emmintrin.h>
 #include <smmintrin.h>