CVS commit: src/sys/arch/powerpc/fpu

[Rin Okuyama]

Module Name:    src
Committed By:   rin
Date:           Tue Sep  6 23:05:52 UTC 2022

Modified Files:
        src/sys/arch/powerpc/fpu: fpu_mul.c

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


To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/powerpc/fpu/fpu_mul.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/arch/powerpc/fpu/fpu_mul.c
diff -u src/sys/arch/powerpc/fpu/fpu_mul.c:1.7 src/sys/arch/powerpc/fpu/fpu_mul.c:1.8
--- src/sys/arch/powerpc/fpu/fpu_mul.c:1.7	Tue Sep  6 23:04:08 2022
+++ src/sys/arch/powerpc/fpu/fpu_mul.c	Tue Sep  6 23:05:52 2022
@@ -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);
 	}