From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [5382] hw/apic.c: use bsr and bsf on x86_64
Date: Wed, 01 Oct 2008 21:46:00 +0000 [thread overview]
Message-ID: <E1Kl9WC-0002Ic-87@cvs.savannah.gnu.org> (raw)
Revision: 5382
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5382
Author: aurel32
Date: 2008-10-01 21:45:59 +0000 (Wed, 01 Oct 2008)
Log Message:
-----------
hw/apic.c: use bsr and bsf on x86_64
(C.W. Betts)
Modified Paths:
--------------
trunk/hw/apic.c
Modified: trunk/hw/apic.c
===================================================================
--- trunk/hw/apic.c 2008-10-01 21:45:51 UTC (rev 5381)
+++ trunk/hw/apic.c 2008-10-01 21:45:59 UTC (rev 5382)
@@ -109,7 +109,7 @@
{
unsigned int ret = 0;
-#if defined(HOST_I386)
+#if defined(HOST_I386) || defined(HOST_X86_64)
__asm__ __volatile__ ("bsr %1, %0\n" : "+r" (ret) : "rm" (value));
return ret;
#else
@@ -130,7 +130,7 @@
{
unsigned int ret = 0;
-#if defined(HOST_I386)
+#if defined(HOST_I386) || defined(HOST_X86_64)
__asm__ __volatile__ ("bsf %1, %0\n" : "+r" (ret) : "rm" (value));
return ret;
#else
next reply other threads:[~2008-10-01 21:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-01 21:46 Aurelien Jarno [this message]
2008-10-02 18:00 ` [Qemu-devel] [5382] hw/apic.c: use bsr and bsf on x86_64 malc
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