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eserve the equality "x == y*(x/y)+(x%y)" for negative y; from Lon Willett.

This commit is contained in:
pk 1995-04-22 09:37:39 +00:00
parent a3fa60161e
commit 1778fc8e4a
1 changed files with 5 additions and 3 deletions
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8
sys/lib/libkern/arch/sparc/divrem.m4
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@ -1,4 +1,4 @@
/* $NetBSD: divrem.m4,v 1.2 1994/10/26 06:39:56 cgd Exp $ */
/* $NetBSD: divrem.m4,v 1.3 1995/04/22 09:37:39 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -48,7 +48,7 @@
#ifdef notdef
.asciz "@(#)divrem.m4 8.1 (Berkeley) 6/4/93"
#endif
.asciz "$NetBSD: divrem.m4,v 1.2 1994/10/26 06:39:56 cgd Exp $"
.asciz "$NetBSD: divrem.m4,v 1.3 1995/04/22 09:37:39 pk Exp $"
#endif /* LIBC_SCCS and not lint */
/*
@ -140,7 +140,9 @@ ifelse(S, `true',
` ! compute sign of result; if neither is negative, no problem
orcc divisor, dividend, %g0 ! either negative?
bge 2f ! no, go do the divide
xor divisor, dividend, SIGN ! compute sign in any case
ifelse(OP, `div',
`xor divisor, dividend, SIGN',
`mov dividend, SIGN') ! compute sign in any case
tst divisor
bge 1f
tst dividend