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fpu_mul(): Do not multiply sign bits for NaN.

This commit is contained in:
rin 2022-09-06 23:05:52 +00:00
parent 4e951a735c
commit ec355093e8
1 changed files with 3 additions and 4 deletions
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7
sys/arch/powerpc/fpu/fpu_mul.c
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@ -1,4 +1,4 @@
/* $NetBSD: fpu_mul.c,v 1.7 2022/09/06 23:04:08 rin Exp $ */
/* $NetBSD: fpu_mul.c,v 1.8 2022/09/06 23:05:52 rin Exp $ */
/*
* Copyright (c) 1992, 1993
@ -45,7 +45,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fpu_mul.c,v 1.7 2022/09/06 23:04:08 rin Exp $");
__KERNEL_RCSID(0, "$NetBSD: fpu_mul.c,v 1.8 2022/09/06 23:05:52 rin Exp $");
#include <sys/types.h>
#if defined(DIAGNOSTIC)||defined(DEBUG)
@ -135,8 +135,7 @@ fpu_mul(struct fpemu *fe)
if (ISSNAN(x) || ISSNAN(y))
fe->fe_cx |= FPSCR_VXSNAN;
if (ISNAN(x))
SWAP(x, y);
y->fp_sign ^= x->fp_sign;
y = x;
DUMPFPN(FPE_REG, y);
return (y);
}