Properly restore FPSCR register.

ok deraadt@

diff --git a/sys/arch/powerpc64/powerpc64/fpu.c b/sys/arch/powerpc64/powerpc64/fpu.c
index 07ac84f..e180691 100644 (file)
--- a/sys/arch/powerpc64/powerpc64/fpu.c
+++ b/sys/arch/powerpc64/powerpc64/fpu.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: fpu.c,v 1.3 2021/01/09 13:14:02 kettenis Exp $        */
+/*     $OpenBSD: fpu.c,v 1.4 2021/04/14 18:35:14 kettenis Exp $        */
 
 /*
  * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
@@ -76,7 +76,7 @@ restore_vsx(struct proc *p)
 
        isync();
 
-       __asm volatile ("lfs %%f0, 0(%0); mtfsf 0xff,%%f0"
+       __asm volatile ("lfd %%f0, 0(%0); mtfsf 0xff,%%f0"
            :: "b"(&fp->fp_fpscr));
        __asm volatile ("vxor %%v0, %%v0, %%v0; lvewx %%v0, 0, %0; mtvscr %%v0"
            :: "b"(&fp->fp_vscr));