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authorDimitry Andric <dim@FreeBSD.org>2018-07-28 11:06:48 +0000
committerDimitry Andric <dim@FreeBSD.org>2018-07-28 11:06:48 +0000
commit93c1b73a09a52d4a265f683bf1954b08bb430049 (patch)
tree5543464d74945196cc890e9d9099e5d0660df7eb /lib/builtins/clzdi2.c
parent0d8e7490d6e8a13a8f0977d9b7771803b9f64ea0 (diff)
Notes
Diffstat (limited to 'lib/builtins/clzdi2.c')
-rw-r--r--lib/builtins/clzdi2.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/builtins/clzdi2.c b/lib/builtins/clzdi2.c
index b9e64da492bd..b56d98f5c01f 100644
--- a/lib/builtins/clzdi2.c
+++ b/lib/builtins/clzdi2.c
@@ -16,6 +16,12 @@
/* Returns: the number of leading 0-bits */
+#if !defined(__clang__) && (defined(__sparc64__) || defined(__mips64) || defined(__riscv__))
+/* gcc resolves __builtin_clz -> __clzdi2 leading to infinite recursion */
+#define __builtin_clz(a) __clzsi2(a)
+extern si_int __clzsi2(si_int);
+#endif
+
/* Precondition: a != 0 */
COMPILER_RT_ABI si_int