commit f73c881f4aa7c8d69eba8f9feb3d3f4034c57091
author Eli Friedman <eli.friedman@gmail.com> Tue Sep 13 00:27:04 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Tue Sep 13 00:27:04 2011 +0000
tree d402b5484dfba3c540a8c09dd4f1edef417af42e
parent 2d539691a1e4b9d61853aa99d1a5580dc88595db

Fix the assembler strings for a couple of atomic instructions.  Doesn't really matter much in practice, but it's a bit cleaner.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139563 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86InstrCompiler.td

diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td
index 3895b9f6..da28690 100644
--- a/lib/Target/X86/X86InstrCompiler.td
+++ b/lib/Target/X86/X86InstrCompiler.td
@@ -713,7 +713,7 @@
 let Defs = [RAX, EFLAGS], Uses = [RAX], isCodeGenOnly = 1 in {
 def LCMPXCHG64 : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$ptr, GR64:$swap),
                "lock\n\t"
-               "cmpxchgq\t$swap,$ptr",
+               "cmpxchg{q}\t{$swap, $ptr|$ptr, $swap}",
                [(X86cas addr:$ptr, GR64:$swap, 8)]>, TB, LOCK;
 }
 
@@ -736,7 +736,7 @@
                 TB, LOCK;
 def LXADD64 : RI<0xC1, MRMSrcMem, (outs GR64:$dst), (ins GR64:$val,i64mem:$ptr),
                "lock\n\t"
-               "xadd\t$val, $ptr",
+               "xadd{q}\t{$val, $ptr|$ptr, $val}",
                [(set GR64:$dst, (atomic_load_add_64 addr:$ptr, GR64:$val))]>,
                 TB, LOCK;
 }