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| author | Richard Henderson <rth@redhat.com> | 2006-01-24 15:48:17 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2006-01-24 15:48:17 -0800 |
| commit | 9cd9e512cb50cc49de86f397e716279286712f82 (patch) | |
| tree | 0827a234c38b01dc573baa50665e2f3c2f1afe68 /gcc/builtins.c | |
| parent | 7faaba2884bb256dc3e2c9addd5357fbde4e2c9c (diff) | |
| download | gcc-9cd9e512cb50cc49de86f397e716279286712f82.zip gcc-9cd9e512cb50cc49de86f397e716279286712f82.tar.gz gcc-9cd9e512cb50cc49de86f397e716279286712f82.tar.bz2 | |
alias.h (ALIAS_SET_MEMORY_BARRIER): New.
* alias.h (ALIAS_SET_MEMORY_BARRIER): New.
* alias.c (true_dependence): Respect it.
(canon_true_dependence, write_dependence_p): Likewise.
* builtins.c (get_builtin_sync_mem): Set it.
From-SVN: r110189
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 2d4322f..896fc48 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -1,6 +1,6 @@ /* Expand builtin functions. Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GCC. @@ -5406,6 +5406,7 @@ get_builtin_sync_mem (tree loc, enum machine_mode mode) mem = validize_mem (gen_rtx_MEM (mode, addr)); set_mem_align (mem, get_pointer_alignment (loc, BIGGEST_ALIGNMENT)); + set_mem_alias_set (mem, ALIAS_SET_MEMORY_BARRIER); MEM_VOLATILE_P (mem) = 1; return mem; |