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(MINIMUM_ATOMIC_ALIGNMENT): New macro.

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From-SVN: r13510
This commit is contained in:
Richard Kenner 1997-01-19 13:17:28 -05:00
parent 4fd796bbb5
commit d16fe557cb
1 changed files with 5 additions and 1 deletions
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6
gcc/config/alpha/alpha.h
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@ -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)