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| author | Richard Kenner <kenner@gcc.gnu.org> | 1997-01-19 13:17:28 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1997-01-19 13:17:28 -0500 |
| commit | d16fe557cb90ffb81426f51ca40b7d9488bfdb25 (patch) | |
| tree | 5309803df1a741b44371f53529f31b7849d7bcc1 | |
| parent | 4fd796bbb5401199cc91a3818e45be93fc75c340 (diff) | |
| download | gcc-d16fe557cb90ffb81426f51ca40b7d9488bfdb25.zip gcc-d16fe557cb90ffb81426f51ca40b7d9488bfdb25.tar.gz gcc-d16fe557cb90ffb81426f51ca40b7d9488bfdb25.tar.bz2 | |
(MINIMUM_ATOMIC_ALIGNMENT): New macro.
From-SVN: r13510
| -rw-r--r-- | gcc/config/alpha/alpha.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index 532c40f..badbb99 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -1,5 +1,5 @@ /* Definitions of target machine for GNU compiler, for DEC Alpha. - Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. + Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc. Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) This file is part of GNU CC. @@ -379,6 +379,10 @@ extern void override_options (); /* No data type wants to be aligned rounder than this. */ #define BIGGEST_ALIGNMENT 64 +/* For atomic access to objects, must have at least 32-bit alignment + unless the machine has byte operations. */ +#define MINIMUM_ATOMIC_ALIGNMENT (TARGET_BYTE_OPS ? 8 : 32) + /* Align all constants and variables to at least a word boundary so we can pick up pieces of them faster. */ #define CONSTANT_ALIGNMENT(EXP, ALIGN) MAX ((ALIGN), BITS_PER_WORD) |