Added MOV instructions between rAX and memory offsets,
including segment offsets and (for 8-bit operands)
absolute offsets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81457 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 46c2c70..3a99e92 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -908,6 +908,20 @@
"mov{l}\t{$src, $dst|$dst, $src}",
[(store (i32 imm:$src), addr:$dst)]>;
+def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins i8imm:$src),
+ "mov{b}\t{$src, %al|%al, $src}", []>;
+def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins i16imm:$src),
+ "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
+def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins i32imm:$src),
+ "mov{l}\t{$src, %eax|%eax, $src}", []>;
+
+def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs i8imm:$dst), (ins),
+ "mov{b}\t{%al, $dst|$dst, %al}", []>;
+def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs i16imm:$dst), (ins),
+ "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
+def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs i32imm:$dst), (ins),
+ "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
+
let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
"mov{b}\t{$src, $dst|$dst, $src}",