clang >= 18 requires evex512 to use AVX512

aegis-aead · May 9, 2024 · 666b752 · 666b752
1 parent ed43018
commit 666b752
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Showing 2 changed files with 13 additions and 3 deletions.
diff --git a/src/aegis128x4/aegis128x4_avx512.c b/src/aegis128x4/aegis128x4_avx512.c
@@ -13,8 +13,13 @@
 #    ifdef HAVE_VAESINTRIN_H
 
 #        ifdef __clang__
-#            pragma clang attribute push(__attribute__((target("vaes,avx512f"))), \
-                                         apply_to = function)
+#            if __clang_major__ >= 18
+#                pragma clang attribute push(__attribute__((target("vaes,avx512f,evex512"))), \
+                                             apply_to = function)
+#            else
+#                pragma clang attribute push(__attribute__((target("vaes,avx512f"))), \
+                                             apply_to = function)
+#            endif
 #        elif defined(__GNUC__)
 #            pragma GCC target("vaes,avx512f")
 #        endif

diff --git a/src/aegis256x4/aegis256x4_avx512.c b/src/aegis256x4/aegis256x4_avx512.c
@@ -13,8 +13,13 @@
 #    ifdef HAVE_VAESINTRIN_H
 
 #        ifdef __clang__
-#            pragma clang attribute push(__attribute__((target("vaes,avx512f"))), \
+#            if __clang_major__ >= 18
+#                pragma clang attribute push(__attribute__((target("vaes,avx512f,evex512"))), \
                                              apply_to = function)
+#            else
+#                pragma clang attribute push(__attribute__((target("vaes,avx512f"))), \
+                                             apply_to = function)
+#            endif
 #        elif defined(__GNUC__)
 #            pragma GCC target("vaes,avx512f")
 #        endif