Date: Mon, 10 Apr 2017 21:44:14 +0000 (UTC) From: Olivier Houchard <cognet@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r316691 - head/sys/mips/mips Message-ID: <201704102144.v3ALiExG061567@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
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) \
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201704102144.v3ALiExG061567>