From c76a46105140316e3e7dabd3a2e32a0cffa27d5c Mon Sep 17 00:00:00 2001 From: Trevor Saunders Date: Sun, 24 May 2015 00:32:43 +0000 Subject: [PATCH] always define HAVE_memory_barrier gcc/ChangeLog: 2015-05-23 Trevor Saunders * defaults.h (gen_memory_barrier): New function. (HAVE_memory_barrier): Add default value. * optabs.c: Adjust. From-SVN: r223621 --- gcc/ChangeLog | 6 ++++++ gcc/defaults.h | 10 ++++++++++ gcc/optabs.c | 5 ----- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2f40e8d..cd0358a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2015-05-23 Trevor Saunders + * defaults.h (gen_memory_barrier): New function. + (HAVE_memory_barrier): Add default value. + * optabs.c: Adjust. + +2015-05-23 Trevor Saunders + * defaults.h (gen_mem_thread_fence): New function. (HAVE_mem_thread_fence): Add default definition. * optabs.c: Adjust. diff --git a/gcc/defaults.h b/gcc/defaults.h index 72b290a..a7455e5 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -1454,6 +1454,16 @@ gen_mem_thread_fence (rtx) } #endif +#ifndef HAVE_memory_barrier +#define HAVE_memory_barrier 0 +static inline rtx +gen_memory_barrier () +{ + gcc_unreachable (); + return NULL; +} +#endif + #endif /* GCC_INSN_FLAGS_H */ #endif /* ! GCC_DEFAULTS_H */ diff --git a/gcc/optabs.c b/gcc/optabs.c index 197e4ae..d3c1d21 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -7589,11 +7589,6 @@ expand_asm_memory_barrier (void) /* This routine will either emit the mem_thread_fence pattern or issue a sync_synchronize to generate a fence for memory model MEMMODEL. */ -#ifndef HAVE_memory_barrier -# define HAVE_memory_barrier 0 -# define gen_memory_barrier() (gcc_unreachable (), NULL_RTX) -#endif - void expand_mem_thread_fence (enum memmodel model) { -- 2.7.4