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authorJason Wright <jason@cvs.openbsd.org>2001-09-10 16:34:50 +0000
committerJason Wright <jason@cvs.openbsd.org>2001-09-10 16:34:50 +0000
commite0088f423fb73c20d87a4cd047bf10a2a5866df4 (patch)
tree766f578ffdd2d883a1666b2177a7e192a489f998 /sys/arch/sparc/fpu
parente187da07b14b970fdbff3ba6d1001b453b5aa87d (diff)
applying the same mask to rs2 and rd is bad ju-ju for F?TO? instructions. Fix up rd in those cases.
Diffstat (limited to 'sys/arch/sparc/fpu')
-rw-r--r--sys/arch/sparc/fpu/fpu.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/arch/sparc/fpu/fpu.c b/sys/arch/sparc/fpu/fpu.c
index fbf5d7bddae..e71a5e0868e 100644
--- a/sys/arch/sparc/fpu/fpu.c
+++ b/sys/arch/sparc/fpu/fpu.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: fpu.c,v 1.9 1998/03/01 09:05:29 johns Exp $ */
+/* $OpenBSD: fpu.c,v 1.10 2001/09/10 16:34:49 jason Exp $ */
/* $NetBSD: fpu.c,v 1.6 1997/07/29 10:09:51 fair Exp $ */
/*
@@ -362,10 +362,17 @@ fpu_execute(fe, instr)
fp = fpu_mul(fe);
break;
+ case FTOI >> 2:
case FTOS >> 2:
+ rd = instr.i_opf.i_rd;
+ goto fto;
case FTOD >> 2:
+ rd = instr.i_opf.i_rd & (~1);
+ goto fto;
case FTOX >> 2:
- case FTOI >> 2:
+ rd = instr.i_opf.i_rd & (~3);
+
+fto:
fpu_explode(fe, fp = &fe->fe_f1, type, rs2);
type = opf & 3; /* sneaky; depends on instruction encoding */
break;