[llvm-commits] [llvm] r139563 - /llvm/trunk/lib/Target/X86/X86InstrCompiler.td
Eli Friedman
eli.friedman at gmail.com
Mon Sep 12 17:27:04 PDT 2011
Author: efriedma
Date: Mon Sep 12 19:27:04 2011
New Revision: 139563
URL: http://llvm.org/viewvc/llvm-project?rev=139563&view=rev
Log:
Fix the assembler strings for a couple of atomic instructions. Doesn't really matter much in practice, but it's a bit cleaner.
Modified:
llvm/trunk/lib/Target/X86/X86InstrCompiler.td
Modified: llvm/trunk/lib/Target/X86/X86InstrCompiler.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrCompiler.td?rev=139563&r1=139562&r2=139563&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrCompiler.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrCompiler.td Mon Sep 12 19:27:04 2011
@@ -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;
}
More information about the llvm-commits
mailing list