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Added a 2+-byte NOP instruction to the Intel tables,
author
Sean Callanan
<scallanan@apple.com>
Thu, 23 Jul 2009 23:39:34 +0000
(23:39 +0000)
committer
Sean Callanan
<scallanan@apple.com>
Thu, 23 Jul 2009 23:39:34 +0000
(23:39 +0000)
for the assembler/disassembler to use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76914
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86InstrInfo.td
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diff --git
a/lib/Target/X86/X86InstrInfo.td
b/lib/Target/X86/X86InstrInfo.td
index
eaafe0a
..
0e40965
100644
(file)
--- a/
lib/Target/X86/X86InstrInfo.td
+++ b/
lib/Target/X86/X86InstrInfo.td
@@
-489,8
+489,11
@@
def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
}
// Nop
-let neverHasSideEffects = 1 in
+let neverHasSideEffects = 1 in
{
def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
+ def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
+ "nopl\t$zero", []>, TB;
+}
// PIC base
let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in