Attachment 7226 Details for Bug 5102 – Diff for NetBSD's xsrc tree

[patch] Diff for NetBSD's xsrc tree

5102.diff (text/plain), 1.04 KB, created by Quentin Garnier on 2006-10-01 08:23:23 UTC

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Creator: Quentin Garnier

Created: 2006-10-01 08:23:23 UTC

Size: 1.04 KB

patch

obsolete

>Index: compiler.h
>===================================================================
>RCS file: /cvsroot/xsrc/xfree/xc/programs/Xserver/hw/xfree86/common/compiler.h,v
>retrieving revision 1.20
>diff -u -r1.20 compiler.h
>--- compiler.h	8 Apr 2005 20:56:22 -0000	1.20
>+++ compiler.h	1 Oct 2006 15:19:38 -0000
>@@ -1357,8 +1357,15 @@
> #    define stq_u(v,p)	(*(unsigned long  *)(p)) = (v)
> #    define stl_u(v,p)	(*(unsigned int   *)(p)) = (v)
> #    define stw_u(v,p)	(*(unsigned short *)(p)) = (v)
>-#    define mem_barrier()   /* NOP */
>-#    define write_mem_barrier()   /* NOP */
>+#    if defined(__NetBSD__) && defined(__amd64__)
>+#     define mem_barrier() \
>+       __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory")
>+#     define write_mem_barrier() \
>+       __asm__ __volatile__ ("": : :"memory")
>+#    else
>+#     define mem_barrier()   /* NOP */
>+#     define write_mem_barrier()   /* NOP */
>+#    endif
> 
> #    if !defined(__SUNPRO_C)
> #    if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__)

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