FreeBSD Bugzilla – Attachment 52181 Details for
Bug 79091
[i386] [patch] Small optimization for i386/support.s
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[patch]
file.diff
file.diff (text/plain), 865 bytes, created by
Andrey Simonenko
on 2005-03-21 15:40:02 UTC
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file.diff
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Creator:
Andrey Simonenko
Created:
2005-03-21 15:40:02 UTC
Size:
865 bytes
patch
obsolete
>--- support.s.orig Sat Nov 13 11:29:48 2004 >+++ support.s Fri Mar 18 14:00:56 2005 >@@ -1327,7 +1327,9 @@ > movl 8(%esp),%eax > movl %eax,(%edx) > xorl %eax,%eax >- movl PCPU(CURPCB),%ecx >+#ifdef I386_CPU >+ movl PCPU(CURPCB),%ecx /* restore trashed register */ >+#endif > movl %eax,PCB_ONFAULT(%ecx) > ret > >@@ -1370,7 +1372,9 @@ > movw 8(%esp),%ax > movw %ax,(%edx) > xorl %eax,%eax >+#ifdef I386_CPU > movl PCPU(CURPCB),%ecx /* restore trashed register */ >+#endif > movl %eax,PCB_ONFAULT(%ecx) > ret > >@@ -1412,7 +1416,9 @@ > movb 8(%esp),%al > movb %al,(%edx) > xorl %eax,%eax >+#ifdef I386_CPU > movl PCPU(CURPCB),%ecx /* restore trashed register */ >+#endif > movl %eax,PCB_ONFAULT(%ecx) > ret > >@@ -1475,7 +1481,6 @@ > > cpystrflt_x: > /* set *lencopied and return %eax */ >- movl PCPU(CURPCB),%ecx > movl $0,PCB_ONFAULT(%ecx) > movl 20(%esp),%ecx > subl %edx,%ecx
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bug 79091
: 52181