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path: root/lib/Target/X86/X86InstrInfo.td
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Diffstat (limited to 'lib/Target/X86/X86InstrInfo.td')
-rw-r--r--lib/Target/X86/X86InstrInfo.td34
1 files changed, 27 insertions, 7 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 130ead8db3..b495564666 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -1140,29 +1140,49 @@ def MOV64mi32 : RIi32<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
let hasSideEffects = 0 in {
/// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
-/// 32-bit offset from the PC. These are only valid in x86-32 mode.
+/// 32-bit offset from the segment base. These are only valid in x86-32 mode.
let SchedRW = [WriteALU] in {
let mayLoad = 1 in {
def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
"mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
- Requires<[Not64BitMode]>;
+ Requires<[In32BitMode]>;
def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
"mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>, OpSize,
- Requires<[Not64BitMode]>;
+ Requires<[In32BitMode]>;
def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
"mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
- OpSize16, Requires<[Not64BitMode]>;
+ OpSize16, Requires<[In32BitMode]>;
+
+def MOV8o8a_16 : Ii16 <0xA0, RawFrm, (outs), (ins offset8:$src),
+ "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
+ AdSize, Requires<[In16BitMode]>;
+def MOV16o16a_16 : Ii16 <0xA1, RawFrm, (outs), (ins offset16:$src),
+ "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>, OpSize,
+ AdSize, Requires<[In16BitMode]>;
+def MOV32o32a_16 : Ii16 <0xA1, RawFrm, (outs), (ins offset32:$src),
+ "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
+ AdSize, OpSize16, Requires<[In16BitMode]>;
}
let mayStore = 1 in {
def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
"mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
- Requires<[Not64BitMode]>;
+ Requires<[In32BitMode]>;
def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
"mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>, OpSize,
- Requires<[Not64BitMode]>;
+ Requires<[In32BitMode]>;
def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
"mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
- OpSize16, Requires<[Not64BitMode]>;
+ OpSize16, Requires<[In32BitMode]>;
+
+def MOV8ao8_16 : Ii16 <0xA2, RawFrm, (outs offset8:$dst), (ins),
+ "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
+ AdSize, Requires<[In16BitMode]>;
+def MOV16ao16_16 : Ii16 <0xA3, RawFrm, (outs offset16:$dst), (ins),
+ "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>, OpSize,
+ AdSize, Requires<[In16BitMode]>;
+def MOV32ao32_16 : Ii16 <0xA3, RawFrm, (outs offset32:$dst), (ins),
+ "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
+ OpSize16, AdSize, Requires<[In16BitMode]>;
}
}