[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] gcc44 build fix
Hi, Broken constrain in inline asm. Bytewise access works with a, b, c, d registers only, thus "r" is wrong, it must be "q". gcc 4.4 tries to use the si register, which doesn't work and thus fails the build. please apply, Gerd diff -up xen/arch/x86/hvm/vpic.c~ xen/arch/x86/hvm/vpic.c --- xen/arch/x86/hvm/vpic.c~ 2009-02-24 10:59:27.000000000 +0100 +++ xen/arch/x86/hvm/vpic.c 2009-02-24 12:20:46.000000000 +0100 @@ -56,7 +56,7 @@ static int vpic_get_priority(struct hvm_ /* prio = ffs(mask ROR vpic->priority_add); */ asm ( "ror %%cl,%b1 ; bsf %1,%0" - : "=r" (prio) : "r" ((uint32_t)mask), "c" (vpic->priority_add) ); + : "=r" (prio) : "q" ((uint32_t)mask), "c" (vpic->priority_add) ); return prio; } _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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