* [Qemu-devel] [6048] target-ppc: correctly propagate NaN in division
@ 2008-12-15 17:14 Aurelien Jarno
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From: Aurelien Jarno @ 2008-12-15 17:14 UTC (permalink / raw)
To: qemu-devel
Revision: 6048
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6048
Author: aurel32
Date: 2008-12-15 17:14:05 +0000 (Mon, 15 Dec 2008)
Log Message:
-----------
target-ppc: correctly propagate NaN in division
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Modified Paths:
--------------
trunk/target-ppc/op_helper.c
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2008-12-15 17:13:55 UTC (rev 6047)
+++ trunk/target-ppc/op_helper.c 2008-12-15 17:14:05 UTC (rev 6048)
@@ -1135,7 +1135,7 @@
} else if (unlikely(isinfinity(farg1.d) && isinfinity(farg2.d))) {
/* Division of infinity by infinity */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIDI);
- } else if (unlikely(iszero(farg2.d))) {
+ } else if (unlikely(!float64_is_nan(farg1.d) && iszero(farg2.d))) {
if (iszero(farg1.d)) {
/* Division of zero by zero */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ);
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2008-12-15 17:14 [Qemu-devel] [6048] target-ppc: correctly propagate NaN in division Aurelien Jarno
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