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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:17 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:17 +0300
commitd3a398281c6fd1d3672036cb2d63f842d2cb28c5 (patch)
treedd4bd3ca0f36b817e96812825ffaf10d645803f2 /contrib/libs/cxxsupp/builtins/mulvsi3.c
parent72cb13b4aff9bc9cf22e49251bc8fd143f82538f (diff)
downloadydb-d3a398281c6fd1d3672036cb2d63f842d2cb28c5.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/mulvsi3.c')
-rw-r--r--contrib/libs/cxxsupp/builtins/mulvsi3.c112
1 files changed, 56 insertions, 56 deletions
diff --git a/contrib/libs/cxxsupp/builtins/mulvsi3.c b/contrib/libs/cxxsupp/builtins/mulvsi3.c
index 210a20138e..74ea4f2da2 100644
--- a/contrib/libs/cxxsupp/builtins/mulvsi3.c
+++ b/contrib/libs/cxxsupp/builtins/mulvsi3.c
@@ -1,56 +1,56 @@
-/* ===-- mulvsi3.c - Implement __mulvsi3 -----------------------------------===
- *
- * The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===----------------------------------------------------------------------===
- *
- * This file implements __mulvsi3 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
-
-#include "int_lib.h"
-
-/* Returns: a * b */
-
-/* Effects: aborts if a * b overflows */
-
-COMPILER_RT_ABI si_int
-__mulvsi3(si_int a, si_int b)
-{
- const int N = (int)(sizeof(si_int) * CHAR_BIT);
- const si_int MIN = (si_int)1 << (N-1);
- const si_int MAX = ~MIN;
- if (a == MIN)
- {
- if (b == 0 || b == 1)
- return a * b;
- compilerrt_abort();
- }
- if (b == MIN)
- {
- if (a == 0 || a == 1)
- return a * b;
- compilerrt_abort();
- }
- si_int sa = a >> (N - 1);
- si_int abs_a = (a ^ sa) - sa;
- si_int sb = b >> (N - 1);
- si_int abs_b = (b ^ sb) - sb;
- if (abs_a < 2 || abs_b < 2)
- return a * b;
- if (sa == sb)
- {
- if (abs_a > MAX / abs_b)
- compilerrt_abort();
- }
- else
- {
- if (abs_a > MIN / -abs_b)
- compilerrt_abort();
- }
- return a * b;
-}
+/* ===-- mulvsi3.c - Implement __mulvsi3 -----------------------------------===
+ *
+ * The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __mulvsi3 for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
+
+#include "int_lib.h"
+
+/* Returns: a * b */
+
+/* Effects: aborts if a * b overflows */
+
+COMPILER_RT_ABI si_int
+__mulvsi3(si_int a, si_int b)
+{
+ const int N = (int)(sizeof(si_int) * CHAR_BIT);
+ const si_int MIN = (si_int)1 << (N-1);
+ const si_int MAX = ~MIN;
+ if (a == MIN)
+ {
+ if (b == 0 || b == 1)
+ return a * b;
+ compilerrt_abort();
+ }
+ if (b == MIN)
+ {
+ if (a == 0 || a == 1)
+ return a * b;
+ compilerrt_abort();
+ }
+ si_int sa = a >> (N - 1);
+ si_int abs_a = (a ^ sa) - sa;
+ si_int sb = b >> (N - 1);
+ si_int abs_b = (b ^ sb) - sb;
+ if (abs_a < 2 || abs_b < 2)
+ return a * b;
+ if (sa == sb)
+ {
+ if (abs_a > MAX / abs_b)
+ compilerrt_abort();
+ }
+ else
+ {
+ if (abs_a > MIN / -abs_b)
+ compilerrt_abort();
+ }
+ return a * b;
+}