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Delete the trapb ops bracketing mf_fpcr, they aren't needed. 

Change the trapb ops bracketing mt_fpcr to excb ops.
This commit is contained in:
ross 2001-04-26 03:23:18 +00:00
parent 0c3b624af9
commit 18274acbcd
1 changed files with 3 additions and 5 deletions
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8
lib/libc/arch/alpha/gen/fpsetround.c
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@ -1,4 +1,4 @@
/* $NetBSD: fpsetround.c,v 1.3 2000/06/14 17:24:58 cgd Exp $ */
/* $NetBSD: fpsetround.c,v 1.4 2001/04/26 03:23:18 ross Exp $ */
/*
* Copyright (c) 1995 Christopher G. Demetriou
@ -44,18 +44,16 @@ fpsetround(rnd_dir)
double fpcrval;
u_int64_t old, new;
__asm__("trapb");
__asm__("mf_fpcr %0" : "=f" (fpcrval));
__asm__("trapb");
old = *(u_int64_t *)&fpcrval;
new = old & ~(long)0x0c00000000000000;
new = (long)rnd_dir << 58;
*(u_int64_t *)&fpcrval = new;
__asm__("trapb");
__asm__("excb");
__asm__("mt_fpcr %0" : : "f" (fpcrval));
__asm__("trapb");
__asm__("excb");
return ((old >> 58) & 0x3);
}