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Add an EXTBL macro.

This commit is contained in:
fredette 2001-05-03 20:53:44 +00:00
parent fcbf0b9d21
commit 166d9e1ede
1 changed files with 13 additions and 1 deletions
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14
sys/arch/m68k/include/asm.h
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@ -1,4 +1,4 @@
/* $NetBSD: asm.h,v 1.20 2000/06/23 12:18:48 kleink Exp $ */
/* $NetBSD: asm.h,v 1.21 2001/05/03 20:53:44 fredette Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -212,4 +212,16 @@
.stabs __STRING(_/**/sym),1,0,0,0
#endif /* __STDC__ */
/*
* Macros to hide shortcomings in the 68010.
*/
#ifndef __mc68010__
#define EXTBL(reg) \
extbl reg
#else /* __mc68010__ */
#define EXTBL(reg) \
extw reg ; \
extl reg
#endif /* __mc68010__ */
#endif /* _M68K_ASM_H_ */