let SchedRW = [WriteLEA] in {
let hasSideEffects = 0 in
def LEA16r : I<0x8D, MRMSrcMem,
- (outs GR16:$dst), (ins i32mem:$src),
+ (outs GR16:$dst), (ins anymem:$src),
"lea{w}\t{$src|$dst}, {$dst|$src}", [], IIC_LEA_16>, OpSize16;
let isReMaterializable = 1 in
def LEA32r : I<0x8D, MRMSrcMem,
- (outs GR32:$dst), (ins i32mem:$src),
+ (outs GR32:$dst), (ins anymem:$src),
"lea{l}\t{$src|$dst}, {$dst|$src}",
[(set GR32:$dst, lea32addr:$src)], IIC_LEA>,
OpSize32, Requires<[Not64BitMode]>;
"inc{b}\t$dst",
[(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))],
IIC_UNARY_REG>;
-
-let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
-def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
- "inc{w}\t$dst", [], IIC_UNARY_REG>,
- OpSize16, Requires<[Not64BitMode]>;
-def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
- "inc{l}\t$dst", [], IIC_UNARY_REG>,
- OpSize32, Requires<[Not64BitMode]>;
+let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
+def INC16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
+ "inc{w}\t$dst",
+ [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))],
+ IIC_UNARY_REG>, OpSize16;
+def INC32r : I<0xFF, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
+ "inc{l}\t$dst",
+ [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))],
+ IIC_UNARY_REG>, OpSize32;
def INC64r : RI<0xFF, MRM0r, (outs GR64:$dst), (ins GR64:$src1), "inc{q}\t$dst",
[(set GR64:$dst, EFLAGS, (X86inc_flag GR64:$src1))],
IIC_UNARY_REG>;
-} // isConvertibleToThreeAddress = 1, CodeSize = 1
-
-
-// In 64-bit mode, single byte INC and DEC cannot be encoded.
-let isConvertibleToThreeAddress = 1, CodeSize = 2 in {
-// Can transform into LEA.
-def INC64_16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
- "inc{w}\t$dst", [], IIC_UNARY_REG>, OpSize16;
-def INC64_32r : I<0xFF, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
- "inc{l}\t$dst", [], IIC_UNARY_REG>, OpSize32;
-def DEC64_16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
- "dec{w}\t$dst", [], IIC_UNARY_REG>, OpSize16;
-def DEC64_32r : I<0xFF, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
- "dec{l}\t$dst", [], IIC_UNARY_REG>, OpSize32;
} // isConvertibleToThreeAddress = 1, CodeSize = 2
+// Short forms only valid in 32-bit mode. Selected during MCInst lowering.
+let CodeSize = 1, hasSideEffects = 0 in {
+def INC16r_alt : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
+ "inc{w}\t$dst", [], IIC_UNARY_REG>,
+ OpSize16, Requires<[Not64BitMode]>;
+def INC32r_alt : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
+ "inc{l}\t$dst", [], IIC_UNARY_REG>,
+ OpSize32, Requires<[Not64BitMode]>;
+} // CodeSize = 1, hasSideEffects = 0
} // Constraints = "$src1 = $dst", SchedRW
let CodeSize = 2, SchedRW = [WriteALULd, WriteRMW] in {
(implicit EFLAGS)], IIC_UNARY_MEM>;
def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
[(store (add (loadi16 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize16, Requires<[Not64BitMode]>;
+ (implicit EFLAGS)], IIC_UNARY_MEM>, OpSize16;
def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
[(store (add (loadi32 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize32, Requires<[Not64BitMode]>;
+ (implicit EFLAGS)], IIC_UNARY_MEM>, OpSize32;
def INC64m : RI<0xFF, MRM0m, (outs), (ins i64mem:$dst), "inc{q}\t$dst",
[(store (add (loadi64 addr:$dst), 1), addr:$dst),
(implicit EFLAGS)], IIC_UNARY_MEM>;
-
-// These are duplicates of their 32-bit counterparts. Only needed so X86 knows
-// how to unfold them.
-// FIXME: What is this for??
-def INC64_16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
- [(store (add (loadi16 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize16, Requires<[In64BitMode]>;
-def INC64_32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
- [(store (add (loadi32 addr:$dst), 1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize32, Requires<[In64BitMode]>;
-def DEC64_16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
- [(store (add (loadi16 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize16, Requires<[In64BitMode]>;
-def DEC64_32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
- [(store (add (loadi32 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize32, Requires<[In64BitMode]>;
} // CodeSize = 2, SchedRW
let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
"dec{b}\t$dst",
[(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))],
IIC_UNARY_REG>;
-let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
-def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
- "dec{w}\t$dst", [], IIC_UNARY_REG>,
- OpSize16, Requires<[Not64BitMode]>;
-def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
- "dec{l}\t$dst", [], IIC_UNARY_REG>,
- OpSize32, Requires<[Not64BitMode]>;
+let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
+def DEC16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
+ "dec{w}\t$dst",
+ [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))],
+ IIC_UNARY_REG>, OpSize16;
+def DEC32r : I<0xFF, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
+ "dec{l}\t$dst",
+ [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))],
+ IIC_UNARY_REG>, OpSize32;
def DEC64r : RI<0xFF, MRM1r, (outs GR64:$dst), (ins GR64:$src1), "dec{q}\t$dst",
[(set GR64:$dst, EFLAGS, (X86dec_flag GR64:$src1))],
IIC_UNARY_REG>;
-} // CodeSize = 2
+} // isConvertibleToThreeAddress = 1, CodeSize = 2
+
+// Short forms only valid in 32-bit mode. Selected during MCInst lowering.
+let CodeSize = 1, hasSideEffects = 0 in {
+def DEC16r_alt : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
+ "dec{w}\t$dst", [], IIC_UNARY_REG>,
+ OpSize16, Requires<[Not64BitMode]>;
+def DEC32r_alt : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
+ "dec{l}\t$dst", [], IIC_UNARY_REG>,
+ OpSize32, Requires<[Not64BitMode]>;
+} // CodeSize = 1, hasSideEffects = 0
} // Constraints = "$src1 = $dst", SchedRW
(implicit EFLAGS)], IIC_UNARY_MEM>;
def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
[(store (add (loadi16 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize16, Requires<[Not64BitMode]>;
+ (implicit EFLAGS)], IIC_UNARY_MEM>, OpSize16;
def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
[(store (add (loadi32 addr:$dst), -1), addr:$dst),
- (implicit EFLAGS)], IIC_UNARY_MEM>,
- OpSize32, Requires<[Not64BitMode]>;
+ (implicit EFLAGS)], IIC_UNARY_MEM>, OpSize32;
def DEC64m : RI<0xFF, MRM1m, (outs), (ins i64mem:$dst), "dec{q}\t$dst",
[(store (add (loadi64 addr:$dst), -1), addr:$dst),
(implicit EFLAGS)], IIC_UNARY_MEM>;
} // CodeSize = 2, SchedRW
} // Defs = [EFLAGS]
-let Predicates = [Not64BitMode] in {
- def : Pat<(X86inc_flag GR16:$src1), (INC16r GR16:$src1)>;
- def : Pat<(X86inc_flag GR32:$src1), (INC32r GR32:$src1)>;
- def : Pat<(X86dec_flag GR16:$src1), (DEC16r GR16:$src1)>;
- def : Pat<(X86dec_flag GR32:$src1), (DEC32r GR32:$src1)>;
-}
-
-let Predicates = [In64BitMode] in {
- def : Pat<(X86inc_flag GR16:$src1), (INC64_16r GR16:$src1)>;
- def : Pat<(X86inc_flag GR32:$src1), (INC64_32r GR32:$src1)>;
- def : Pat<(X86dec_flag GR16:$src1), (DEC64_16r GR16:$src1)>;
- def : Pat<(X86dec_flag GR32:$src1), (DEC64_32r GR32:$src1)>;
-}
-
/// X86TypeInfo - This is a bunch of information that describes relevant X86
/// information about value types. For example, it can tell you what the
/// register class and preferred load to use.
def invalid_node : SDNode<"<<invalid_node>>", SDTIntLeaf,[],"<<invalid_node>>">;
-def Xi8 : X86TypeInfo<i8 , "b", GR8 , loadi8 , i8mem ,
- Imm8 , i8imm , imm, i8imm , invalid_node,
+def Xi8 : X86TypeInfo<i8, "b", GR8, loadi8, i8mem,
+ Imm8, i8imm, imm8_su, i8imm, invalid_node,
0, OpSizeFixed, 0>;
def Xi16 : X86TypeInfo<i16, "w", GR16, loadi16, i16mem,
- Imm16, i16imm, imm, i16i8imm, i16immSExt8,
+ Imm16, i16imm, imm16_su, i16i8imm, i16immSExt8_su,
1, OpSize16, 0>;
def Xi32 : X86TypeInfo<i32, "l", GR32, loadi32, i32mem,
- Imm32, i32imm, imm, i32i8imm, i32immSExt8,
+ Imm32, i32imm, imm32_su, i32i8imm, i32immSExt8_su,
1, OpSize32, 0>;
def Xi64 : X86TypeInfo<i64, "q", GR64, loadi64, i64mem,
Imm32S, i64i32imm, i64immSExt32, i64i8imm, i64immSExt8,
let isCompare = 1 in {
let Defs = [EFLAGS] in {
let isCommutable = 1 in {
- def TEST8rr : BinOpRR_F<0x84, "test", Xi8 , X86testpat, MRMSrcReg>;
- def TEST16rr : BinOpRR_F<0x84, "test", Xi16, X86testpat, MRMSrcReg>;
- def TEST32rr : BinOpRR_F<0x84, "test", Xi32, X86testpat, MRMSrcReg>;
- def TEST64rr : BinOpRR_F<0x84, "test", Xi64, X86testpat, MRMSrcReg>;
+ def TEST8rr : BinOpRR_F<0x84, "test", Xi8 , X86testpat>;
+ def TEST16rr : BinOpRR_F<0x84, "test", Xi16, X86testpat>;
+ def TEST32rr : BinOpRR_F<0x84, "test", Xi32, X86testpat>;
+ def TEST64rr : BinOpRR_F<0x84, "test", Xi64, X86testpat>;
} // isCommutable
def TEST8rm : BinOpRM_F<0x84, "test", Xi8 , X86testpat>;
projects / oota-llvm.git / blobdiff