Author: cognet
Date: Mon Apr 10 21:44:13 2017
New Revision: 316691
URL: https://svnweb.freebsd.org/changeset/base/316691
Log:
Provide some kind of __sync_bool_compare_and_swap_4(), as it is used by CK,
and our gcc is too ancient to provide it.
This should fix the build on mips.
Modified:
head/sys/mips/mips/stdatomic.c
Modified: head/sys/mips/mips/stdatomic.c
==============================================================================
--- head/sys/mips/mips/stdatomic.c Mon Apr 10 21:26:37 2017
(r316690)
+++ head/sys/mips/mips/stdatomic.c Mon Apr 10 21:44:13 2017
(r316691)
@@ -287,8 +287,8 @@ EMIT_BITWISE_FETCH_AND_OP_N(2, uint16_t,
* 32-bit routines.
*/
-uint32_t
-__sync_val_compare_and_swap_4(uint32_t *mem, uint32_t expected,
+static __inline uint32_t
+do_compare_and_swap_4(uint32_t *mem, uint32_t expected,
uint32_t desired)
{
uint32_t old, temp;
@@ -307,6 +307,23 @@ __sync_val_compare_and_swap_4(uint32_t *
return (old);
}
+uint32_t
+__sync_val_compare_and_swap_4(uint32_t *mem, uint32_t expected,
+ uint32_t desired)
+{
+
+ return (do_compare_and_swap_4(mem, expected, desired));
+}
+
+bool
+__sync_bool_compare_and_swap_4(uint32_t *mem, uint32_t expected,
+ uint32_t desired)
+{
+
+ return (do_compare_and_swap_4(mem, expected, desired) ==
+ desired);
+}
+
#define EMIT_FETCH_AND_OP_4(name, op)
\
uint32_t \
__sync_##name##_4(uint32_t *mem, uint32_t val) \
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