Date: Mon, 30 Jul 2018 16:54:51 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336917 - head/sys/amd64/amd64 Message-ID: <201807301654.w6UGspk4056073@repo.freebsd.org>
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Author: kib Date: Mon Jul 30 16:54:51 2018 New Revision: 336917 URL: https://svnweb.freebsd.org/changeset/base/336917 Log: Remove unneeded CLDs instructions in the SMAP-ed version of several functions from support.S. I believe they re-appeared due to me mis-merging my r327820 into the topic branch. Sponsored by: The FreeBSD Foundation Modified: head/sys/amd64/amd64/support.S Modified: head/sys/amd64/amd64/support.S ============================================================================== --- head/sys/amd64/amd64/support.S Mon Jul 30 16:33:32 2018 (r336916) +++ head/sys/amd64/amd64/support.S Mon Jul 30 16:54:51 2018 (r336917) @@ -307,7 +307,6 @@ ENTRY(copyout_smap) movq %rdx,%rcx shrq $3,%rcx - cld stac rep movsq @@ -358,7 +357,6 @@ ENTRY(copyin_nosmap) movq %rdx,%rcx movb %cl,%al shrq $3,%rcx /* copy longword-wise */ - cld rep movsq movb %al,%cl @@ -887,7 +885,6 @@ ENTRY(copyinstr_nosmap) movq %rax,%r8 1: incq %rdx - cld 2: decq %rdx
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