From f5f074288510798e711ad1fca13dbd3a72d3d4eb Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 5 Oct 2010 16:52:25 +0000 Subject: [PATCH] rewrote two addr constraints so that they are only set, not set and then nestedly cleared. llvm-svn: 115631 --- lib/Target/X86/X86InstrArithmetic.td | 668 ++++++++++++++------------- 1 file changed, 345 insertions(+), 323 deletions(-) diff --git a/lib/Target/X86/X86InstrArithmetic.td b/lib/Target/X86/X86InstrArithmetic.td index 11fb2977524..c3e311867eb 100644 --- a/lib/Target/X86/X86InstrArithmetic.td +++ b/lib/Target/X86/X86InstrArithmetic.td @@ -156,11 +156,11 @@ def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), //===----------------------------------------------------------------------===// // Two address Instructions. // -let Constraints = "$src1 = $dst" in { // unary instructions let CodeSize = 2 in { let Defs = [EFLAGS] in { +let Constraints = "$src1 = $dst" in { def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1), "neg{b}\t$dst", [(set GR8:$dst, (ineg GR8:$src1)), @@ -173,23 +173,26 @@ def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1), "neg{l}\t$dst", [(set GR32:$dst, (ineg GR32:$src1)), (implicit EFLAGS)]>; - -let Constraints = "" in { - def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), - "neg{b}\t$dst", - [(store (ineg (loadi8 addr:$dst)), addr:$dst), - (implicit EFLAGS)]>; - def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), - "neg{w}\t$dst", - [(store (ineg (loadi16 addr:$dst)), addr:$dst), - (implicit EFLAGS)]>, OpSize; - def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), - "neg{l}\t$dst", - [(store (ineg (loadi32 addr:$dst)), addr:$dst), - (implicit EFLAGS)]>; -} // Constraints = "" +} // Constraints = "$src1 = $dst" + +def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), + "neg{b}\t$dst", + [(store (ineg (loadi8 addr:$dst)), addr:$dst), + (implicit EFLAGS)]>; +def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), + "neg{w}\t$dst", + [(store (ineg (loadi16 addr:$dst)), addr:$dst), + (implicit EFLAGS)]>, OpSize; +def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), + "neg{l}\t$dst", + [(store (ineg (loadi32 addr:$dst)), addr:$dst), + (implicit EFLAGS)]>; } // Defs = [EFLAGS] + +// FIXME: NOT sets EFLAGS! + +let Constraints = "$src1 = $dst" in { // Match xor -1 to not. Favors these over a move imm + xor to save code size. let AddedComplexity = 15 in { def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1), @@ -202,21 +205,22 @@ def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1), "not{l}\t$dst", [(set GR32:$dst, (not GR32:$src1))]>; } -let Constraints = "" in { - def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), - "not{b}\t$dst", - [(store (not (loadi8 addr:$dst)), addr:$dst)]>; - def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), - "not{w}\t$dst", - [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize; - def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), - "not{l}\t$dst", - [(store (not (loadi32 addr:$dst)), addr:$dst)]>; -} // Constraints = "" +} // Constraints = "$src1 = $dst" + +def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), + "not{b}\t$dst", + [(store (not (loadi8 addr:$dst)), addr:$dst)]>; +def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), + "not{w}\t$dst", + [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize; +def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), + "not{l}\t$dst", + [(store (not (loadi32 addr:$dst)), addr:$dst)]>; } // CodeSize // TODO: inc/dec is slow for P4, but fast for Pentium-M. let Defs = [EFLAGS] in { +let Constraints = "$src1 = $dst" in { let CodeSize = 2 in def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1), "inc{b}\t$dst", @@ -232,7 +236,9 @@ def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1), [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>, Requires<[In32BitMode]>; } -let Constraints = "", CodeSize = 2 in { +} // Constraints = "$src1 = $dst" + +let CodeSize = 2 in { def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst", [(store (add (loadi8 addr:$dst), 1), addr:$dst), (implicit EFLAGS)]>; @@ -244,8 +250,9 @@ let Constraints = "", CodeSize = 2 in { [(store (add (loadi32 addr:$dst), 1), addr:$dst), (implicit EFLAGS)]>, Requires<[In32BitMode]>; -} // Constraints = "", CodeSize = 2 +} // CodeSize = 2 +let Constraints = "$src1 = $dst" in { let CodeSize = 2 in def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1), "dec{b}\t$dst", @@ -260,8 +267,10 @@ def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1), [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>, Requires<[In32BitMode]>; } // CodeSize = 2 +} // Constraints = "$src1 = $dst" -let Constraints = "", CodeSize = 2 in { + +let CodeSize = 2 in { def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst", [(store (add (loadi8 addr:$dst), -1), addr:$dst), (implicit EFLAGS)]>; @@ -273,11 +282,12 @@ let Constraints = "", CodeSize = 2 in { [(store (add (loadi32 addr:$dst), -1), addr:$dst), (implicit EFLAGS)]>, Requires<[In32BitMode]>; -} // Constraints = "", CodeSize = 2 +} // CodeSize = 2 } // Defs = [EFLAGS] -// Logical operators... +// Logical operators. let Defs = [EFLAGS] in { +let Constraints = "$src1 = $dst" in { let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y def AND8rr : I<0x20, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2), @@ -293,7 +303,8 @@ def AND32rr : I<0x21, MRMDestReg, "and{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1, GR32:$src2))]>; -} +} // isCommutable + // AND instructions with the destination register in REG and the source register // in R/M. Included for the disassembler. @@ -351,61 +362,61 @@ def AND32ri8 : Ii8<0x83, MRM4r, "and{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1, i32immSExt8:$src2))]>; +} // Constraints = "$src1 = $dst" -let Constraints = "" in { - def AND8mr : I<0x20, MRMDestMem, - (outs), (ins i8mem :$dst, GR8 :$src), +def AND8mr : I<0x20, MRMDestMem, + (outs), (ins i8mem :$dst, GR8 :$src), + "and{b}\t{$src, $dst|$dst, $src}", + [(store (and (load addr:$dst), GR8:$src), addr:$dst), + (implicit EFLAGS)]>; +def AND16mr : I<0x21, MRMDestMem, + (outs), (ins i16mem:$dst, GR16:$src), + "and{w}\t{$src, $dst|$dst, $src}", + [(store (and (load addr:$dst), GR16:$src), addr:$dst), + (implicit EFLAGS)]>, + OpSize; +def AND32mr : I<0x21, MRMDestMem, + (outs), (ins i32mem:$dst, GR32:$src), + "and{l}\t{$src, $dst|$dst, $src}", + [(store (and (load addr:$dst), GR32:$src), addr:$dst), + (implicit EFLAGS)]>; +def AND8mi : Ii8<0x80, MRM4m, + (outs), (ins i8mem :$dst, i8imm :$src), "and{b}\t{$src, $dst|$dst, $src}", - [(store (and (load addr:$dst), GR8:$src), addr:$dst), - (implicit EFLAGS)]>; - def AND16mr : I<0x21, MRMDestMem, - (outs), (ins i16mem:$dst, GR16:$src), + [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>; +def AND16mi : Ii16<0x81, MRM4m, + (outs), (ins i16mem:$dst, i16imm:$src), + "and{w}\t{$src, $dst|$dst, $src}", + [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>, + OpSize; +def AND32mi : Ii32<0x81, MRM4m, + (outs), (ins i32mem:$dst, i32imm:$src), + "and{l}\t{$src, $dst|$dst, $src}", + [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>; +def AND16mi8 : Ii8<0x83, MRM4m, + (outs), (ins i16mem:$dst, i16i8imm :$src), "and{w}\t{$src, $dst|$dst, $src}", - [(store (and (load addr:$dst), GR16:$src), addr:$dst), - (implicit EFLAGS)]>, + [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst), + (implicit EFLAGS)]>, OpSize; - def AND32mr : I<0x21, MRMDestMem, - (outs), (ins i32mem:$dst, GR32:$src), +def AND32mi8 : Ii8<0x83, MRM4m, + (outs), (ins i32mem:$dst, i32i8imm :$src), "and{l}\t{$src, $dst|$dst, $src}", - [(store (and (load addr:$dst), GR32:$src), addr:$dst), - (implicit EFLAGS)]>; - def AND8mi : Ii8<0x80, MRM4m, - (outs), (ins i8mem :$dst, i8imm :$src), - "and{b}\t{$src, $dst|$dst, $src}", - [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>; - def AND16mi : Ii16<0x81, MRM4m, - (outs), (ins i16mem:$dst, i16imm:$src), - "and{w}\t{$src, $dst|$dst, $src}", - [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>, - OpSize; - def AND32mi : Ii32<0x81, MRM4m, - (outs), (ins i32mem:$dst, i32imm:$src), - "and{l}\t{$src, $dst|$dst, $src}", - [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>; - def AND16mi8 : Ii8<0x83, MRM4m, - (outs), (ins i16mem:$dst, i16i8imm :$src), - "and{w}\t{$src, $dst|$dst, $src}", - [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst), - (implicit EFLAGS)]>, - OpSize; - def AND32mi8 : Ii8<0x83, MRM4m, - (outs), (ins i32mem:$dst, i32i8imm :$src), - "and{l}\t{$src, $dst|$dst, $src}", - [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst), - (implicit EFLAGS)]>; + [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst), + (implicit EFLAGS)]>; - def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src), - "and{b}\t{$src, %al|%al, $src}", []>; - def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src), - "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize; - def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src), - "and{l}\t{$src, %eax|%eax, $src}", []>; - -} // Constraints = "" +// FIXME: Implicitly modifiers AL. +def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src), + "and{b}\t{$src, %al|%al, $src}", []>; +def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src), + "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize; +def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src), + "and{l}\t{$src, %eax|%eax, $src}", []>; +let Constraints = "$src1 = $dst" in { let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), @@ -478,50 +489,52 @@ def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), "or{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1, i32immSExt8:$src2))]>; -let Constraints = "" in { - def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src), - "or{b}\t{$src, $dst|$dst, $src}", - [(store (or (load addr:$dst), GR8:$src), addr:$dst), - (implicit EFLAGS)]>; - def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), - "or{w}\t{$src, $dst|$dst, $src}", - [(store (or (load addr:$dst), GR16:$src), addr:$dst), - (implicit EFLAGS)]>, OpSize; - def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), - "or{l}\t{$src, $dst|$dst, $src}", - [(store (or (load addr:$dst), GR32:$src), addr:$dst), - (implicit EFLAGS)]>; - def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src), - "or{b}\t{$src, $dst|$dst, $src}", - [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>; - def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src), - "or{w}\t{$src, $dst|$dst, $src}", - [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>, - OpSize; - def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src), - "or{l}\t{$src, $dst|$dst, $src}", - [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>; - def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src), - "or{w}\t{$src, $dst|$dst, $src}", - [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst), - (implicit EFLAGS)]>, - OpSize; - def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src), - "or{l}\t{$src, $dst|$dst, $src}", - [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst), - (implicit EFLAGS)]>; - - def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src), - "or{b}\t{$src, %al|%al, $src}", []>; - def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src), - "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize; - def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src), - "or{l}\t{$src, %eax|%eax, $src}", []>; -} // Constraints = "" +} // Constraints = "$src1 = $dst" +def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src), + "or{b}\t{$src, $dst|$dst, $src}", + [(store (or (load addr:$dst), GR8:$src), addr:$dst), + (implicit EFLAGS)]>; +def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), + "or{w}\t{$src, $dst|$dst, $src}", + [(store (or (load addr:$dst), GR16:$src), addr:$dst), + (implicit EFLAGS)]>, OpSize; +def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), + "or{l}\t{$src, $dst|$dst, $src}", + [(store (or (load addr:$dst), GR32:$src), addr:$dst), + (implicit EFLAGS)]>; +def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src), + "or{b}\t{$src, $dst|$dst, $src}", + [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>; +def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src), + "or{w}\t{$src, $dst|$dst, $src}", + [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>, + OpSize; +def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src), + "or{l}\t{$src, $dst|$dst, $src}", + [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>; +def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src), + "or{w}\t{$src, $dst|$dst, $src}", + [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst), + (implicit EFLAGS)]>, + OpSize; +def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src), + "or{l}\t{$src, $dst|$dst, $src}", + [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst), + (implicit EFLAGS)]>; + +def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src), + "or{b}\t{$src, %al|%al, $src}", []>; +def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src), + "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize; +def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src), + "or{l}\t{$src, %eax|%eax, $src}", []>; + + +let Constraints = "$src1 = $dst" in { let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y def XOR8rr : I<0x30, MRMDestReg, @@ -596,64 +609,65 @@ def XOR32ri8 : Ii8<0x83, MRM6r, "xor{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1, i32immSExt8:$src2))]>; +} // Constraints = "$src1 = $dst" -let Constraints = "" in { - def XOR8mr : I<0x30, MRMDestMem, - (outs), (ins i8mem :$dst, GR8 :$src), - "xor{b}\t{$src, $dst|$dst, $src}", - [(store (xor (load addr:$dst), GR8:$src), addr:$dst), - (implicit EFLAGS)]>; - def XOR16mr : I<0x31, MRMDestMem, - (outs), (ins i16mem:$dst, GR16:$src), - "xor{w}\t{$src, $dst|$dst, $src}", - [(store (xor (load addr:$dst), GR16:$src), addr:$dst), - (implicit EFLAGS)]>, - OpSize; - def XOR32mr : I<0x31, MRMDestMem, - (outs), (ins i32mem:$dst, GR32:$src), - "xor{l}\t{$src, $dst|$dst, $src}", - [(store (xor (load addr:$dst), GR32:$src), addr:$dst), - (implicit EFLAGS)]>; - def XOR8mi : Ii8<0x80, MRM6m, - (outs), (ins i8mem :$dst, i8imm :$src), - "xor{b}\t{$src, $dst|$dst, $src}", - [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>; - def XOR16mi : Ii16<0x81, MRM6m, - (outs), (ins i16mem:$dst, i16imm:$src), - "xor{w}\t{$src, $dst|$dst, $src}", - [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>, - OpSize; - def XOR32mi : Ii32<0x81, MRM6m, - (outs), (ins i32mem:$dst, i32imm:$src), - "xor{l}\t{$src, $dst|$dst, $src}", - [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst), - (implicit EFLAGS)]>; - def XOR16mi8 : Ii8<0x83, MRM6m, - (outs), (ins i16mem:$dst, i16i8imm :$src), - "xor{w}\t{$src, $dst|$dst, $src}", - [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst), - (implicit EFLAGS)]>, - OpSize; - def XOR32mi8 : Ii8<0x83, MRM6m, - (outs), (ins i32mem:$dst, i32i8imm :$src), - "xor{l}\t{$src, $dst|$dst, $src}", - [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst), + +def XOR8mr : I<0x30, MRMDestMem, + (outs), (ins i8mem :$dst, GR8 :$src), + "xor{b}\t{$src, $dst|$dst, $src}", + [(store (xor (load addr:$dst), GR8:$src), addr:$dst), (implicit EFLAGS)]>; - - def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src), - "xor{b}\t{$src, %al|%al, $src}", []>; - def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src), - "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize; - def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src), - "xor{l}\t{$src, %eax|%eax, $src}", []>; -} // Constraints = "" +def XOR16mr : I<0x31, MRMDestMem, + (outs), (ins i16mem:$dst, GR16:$src), + "xor{w}\t{$src, $dst|$dst, $src}", + [(store (xor (load addr:$dst), GR16:$src), addr:$dst), + (implicit EFLAGS)]>, + OpSize; +def XOR32mr : I<0x31, MRMDestMem, + (outs), (ins i32mem:$dst, GR32:$src), + "xor{l}\t{$src, $dst|$dst, $src}", + [(store (xor (load addr:$dst), GR32:$src), addr:$dst), + (implicit EFLAGS)]>; +def XOR8mi : Ii8<0x80, MRM6m, + (outs), (ins i8mem :$dst, i8imm :$src), + "xor{b}\t{$src, $dst|$dst, $src}", + [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>; +def XOR16mi : Ii16<0x81, MRM6m, + (outs), (ins i16mem:$dst, i16imm:$src), + "xor{w}\t{$src, $dst|$dst, $src}", + [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>, + OpSize; +def XOR32mi : Ii32<0x81, MRM6m, + (outs), (ins i32mem:$dst, i32imm:$src), + "xor{l}\t{$src, $dst|$dst, $src}", + [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst), + (implicit EFLAGS)]>; +def XOR16mi8 : Ii8<0x83, MRM6m, + (outs), (ins i16mem:$dst, i16i8imm :$src), + "xor{w}\t{$src, $dst|$dst, $src}", + [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst), + (implicit EFLAGS)]>, + OpSize; +def XOR32mi8 : Ii8<0x83, MRM6m, + (outs), (ins i32mem:$dst, i32i8imm :$src), + "xor{l}\t{$src, $dst|$dst, $src}", + [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst), + (implicit EFLAGS)]>; + +def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src), + "xor{b}\t{$src, %al|%al, $src}", []>; +def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src), + "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize; +def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src), + "xor{l}\t{$src, %eax|%eax, $src}", []>; } // Defs = [EFLAGS] // Arithmetic. let Defs = [EFLAGS] in { +let Constraints = "$src1 = $dst" in { let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y // Register-Register Addition def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst), @@ -733,54 +747,54 @@ def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst), [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1, i32immSExt8:$src2))]>; } +} // Constraints = "$src1 = $dst" -let Constraints = "" in { - // Memory-Register Addition - def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2), +// Memory-Register Addition +def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2), + "add{b}\t{$src2, $dst|$dst, $src2}", + [(store (add (load addr:$dst), GR8:$src2), addr:$dst), + (implicit EFLAGS)]>; +def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), + "add{w}\t{$src2, $dst|$dst, $src2}", + [(store (add (load addr:$dst), GR16:$src2), addr:$dst), + (implicit EFLAGS)]>, OpSize; +def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), + "add{l}\t{$src2, $dst|$dst, $src2}", + [(store (add (load addr:$dst), GR32:$src2), addr:$dst), + (implicit EFLAGS)]>; +def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2), "add{b}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), GR8:$src2), addr:$dst), - (implicit EFLAGS)]>; - def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), + [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst), + (implicit EFLAGS)]>; +def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2), + "add{w}\t{$src2, $dst|$dst, $src2}", + [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst), + (implicit EFLAGS)]>, OpSize; +def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2), + "add{l}\t{$src2, $dst|$dst, $src2}", + [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst), + (implicit EFLAGS)]>; +def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2), "add{w}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), GR16:$src2), addr:$dst), + [(store (add (load addr:$dst), i16immSExt8:$src2), + addr:$dst), (implicit EFLAGS)]>, OpSize; - def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), +def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2), "add{l}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), GR32:$src2), addr:$dst), - (implicit EFLAGS)]>; - def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2), - "add{b}\t{$src2, $dst|$dst, $src2}", - [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst), - (implicit EFLAGS)]>; - def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2), - "add{w}\t{$src2, $dst|$dst, $src2}", - [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst), - (implicit EFLAGS)]>, OpSize; - def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2), - "add{l}\t{$src2, $dst|$dst, $src2}", - [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst), - (implicit EFLAGS)]>; - def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2), - "add{w}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), i16immSExt8:$src2), - addr:$dst), - (implicit EFLAGS)]>, OpSize; - def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2), - "add{l}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), i32immSExt8:$src2), - addr:$dst), - (implicit EFLAGS)]>; + [(store (add (load addr:$dst), i32immSExt8:$src2), + addr:$dst), + (implicit EFLAGS)]>; - // addition to rAX - def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src), - "add{b}\t{$src, %al|%al, $src}", []>; - def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src), - "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize; - def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src), - "add{l}\t{$src, %eax|%eax, $src}", []>; -} // Constraints = "" +// addition to rAX +def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src), + "add{b}\t{$src, %al|%al, $src}", []>; +def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src), + "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize; +def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src), + "add{l}\t{$src, %eax|%eax, $src}", []>; let Uses = [EFLAGS] in { +let Constraints = "$src1 = $dst" in { let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2), "adc{b}\t{$src2, $dst|$dst, $src2}", @@ -839,45 +853,46 @@ def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>; +} // Constraints = "$src1 = $dst" -let Constraints = "" in { - def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2), - "adc{b}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>; - def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), +def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2), + "adc{b}\t{$src2, $dst|$dst, $src2}", + [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>; +def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), + "adc{w}\t{$src2, $dst|$dst, $src2}", + [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>, + OpSize; +def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), + "adc{l}\t{$src2, $dst|$dst, $src2}", + [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>; +def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2), + "adc{b}\t{$src2, $dst|$dst, $src2}", + [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>; +def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2), + "adc{w}\t{$src2, $dst|$dst, $src2}", + [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>, + OpSize; +def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2), "adc{w}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>, - OpSize; - def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), + [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>, + OpSize; +def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2), + "adc{l}\t{$src2, $dst|$dst, $src2}", + [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>; +def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>; - def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2), - "adc{b}\t{$src2, $dst|$dst, $src2}", - [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>; - def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2), - "adc{w}\t{$src2, $dst|$dst, $src2}", - [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>, - OpSize; - def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2), - "adc{w}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>, - OpSize; - def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2), - "adc{l}\t{$src2, $dst|$dst, $src2}", - [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>; - def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2), - "adc{l}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>; + [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>; - def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src), - "adc{b}\t{$src, %al|%al, $src}", []>; - def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src), - "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize; - def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src), - "adc{l}\t{$src, %eax|%eax, $src}", []>; -} // Constraints = "" +def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src), + "adc{b}\t{$src, %al|%al, $src}", []>; +def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src), + "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize; +def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src), + "adc{l}\t{$src, %eax|%eax, $src}", []>; } // Uses = [EFLAGS] +let Constraints = "$src1 = $dst" in { + // Register-Register Subtraction def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2), "sub{b}\t{$src2, $dst|$dst, $src2}", @@ -946,55 +961,55 @@ def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst), "sub{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, EFLAGS, (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>; +} // Constraints = "$src1 = $dst" -let Constraints = "" in { - // Memory-Register Subtraction - def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2), +// Memory-Register Subtraction +def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2), + "sub{b}\t{$src2, $dst|$dst, $src2}", + [(store (sub (load addr:$dst), GR8:$src2), addr:$dst), + (implicit EFLAGS)]>; +def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), + "sub{w}\t{$src2, $dst|$dst, $src2}", + [(store (sub (load addr:$dst), GR16:$src2), addr:$dst), + (implicit EFLAGS)]>, OpSize; +def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), + "sub{l}\t{$src2, $dst|$dst, $src2}", + [(store (sub (load addr:$dst), GR32:$src2), addr:$dst), + (implicit EFLAGS)]>; + +// Memory-Integer Subtraction +def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2), "sub{b}\t{$src2, $dst|$dst, $src2}", - [(store (sub (load addr:$dst), GR8:$src2), addr:$dst), + [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst), (implicit EFLAGS)]>; - def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), +def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2), + "sub{w}\t{$src2, $dst|$dst, $src2}", + [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst), + (implicit EFLAGS)]>, OpSize; +def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2), + "sub{l}\t{$src2, $dst|$dst, $src2}", + [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst), + (implicit EFLAGS)]>; +def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2), "sub{w}\t{$src2, $dst|$dst, $src2}", - [(store (sub (load addr:$dst), GR16:$src2), addr:$dst), + [(store (sub (load addr:$dst), i16immSExt8:$src2), + addr:$dst), (implicit EFLAGS)]>, OpSize; - def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), +def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2), "sub{l}\t{$src2, $dst|$dst, $src2}", - [(store (sub (load addr:$dst), GR32:$src2), addr:$dst), + [(store (sub (load addr:$dst), i32immSExt8:$src2), + addr:$dst), (implicit EFLAGS)]>; - - // Memory-Integer Subtraction - def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2), - "sub{b}\t{$src2, $dst|$dst, $src2}", - [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst), - (implicit EFLAGS)]>; - def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2), - "sub{w}\t{$src2, $dst|$dst, $src2}", - [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst), - (implicit EFLAGS)]>, OpSize; - def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2), - "sub{l}\t{$src2, $dst|$dst, $src2}", - [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst), - (implicit EFLAGS)]>; - def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2), - "sub{w}\t{$src2, $dst|$dst, $src2}", - [(store (sub (load addr:$dst), i16immSExt8:$src2), - addr:$dst), - (implicit EFLAGS)]>, OpSize; - def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2), - "sub{l}\t{$src2, $dst|$dst, $src2}", - [(store (sub (load addr:$dst), i32immSExt8:$src2), - addr:$dst), - (implicit EFLAGS)]>; - - def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src), - "sub{b}\t{$src, %al|%al, $src}", []>; - def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src), - "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize; - def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src), - "sub{l}\t{$src, %eax|%eax, $src}", []>; -} // Constraints = "" + +def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src), + "sub{b}\t{$src, %al|%al, $src}", []>; +def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src), + "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize; +def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src), + "sub{l}\t{$src, %eax|%eax, $src}", []>; let Uses = [EFLAGS] in { +let Constraints = "$src1 = $dst" in { def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2), "sbb{b}\t{$src2, $dst|$dst, $src2}", @@ -1007,43 +1022,45 @@ def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), "sbb{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>; +} // Constraints = "$src1 = $dst" -let Constraints = "" in { - def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2), - "sbb{b}\t{$src2, $dst|$dst, $src2}", - [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>; - def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), + +def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2), + "sbb{b}\t{$src2, $dst|$dst, $src2}", + [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>; +def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), + "sbb{w}\t{$src2, $dst|$dst, $src2}", + [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>, + OpSize; +def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), + "sbb{l}\t{$src2, $dst|$dst, $src2}", + [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>; +def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2), + "sbb{b}\t{$src2, $dst|$dst, $src2}", + [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>; +def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2), + "sbb{w}\t{$src2, $dst|$dst, $src2}", + [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>, + OpSize; +def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2), "sbb{w}\t{$src2, $dst|$dst, $src2}", - [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>, - OpSize; - def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), + [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>, + OpSize; +def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2), + "sbb{l}\t{$src2, $dst|$dst, $src2}", + [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>; +def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2), "sbb{l}\t{$src2, $dst|$dst, $src2}", - [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>; - def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2), - "sbb{b}\t{$src2, $dst|$dst, $src2}", - [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>; - def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2), - "sbb{w}\t{$src2, $dst|$dst, $src2}", - [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>, - OpSize; - def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2), - "sbb{w}\t{$src2, $dst|$dst, $src2}", - [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>, - OpSize; - def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2), - "sbb{l}\t{$src2, $dst|$dst, $src2}", - [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>; - def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2), - "sbb{l}\t{$src2, $dst|$dst, $src2}", - [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>; - - def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src), - "sbb{b}\t{$src, %al|%al, $src}", []>; - def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src), - "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize; - def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src), - "sbb{l}\t{$src, %eax|%eax, $src}", []>; -} // Constraints = "" + [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>; + +def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src), + "sbb{b}\t{$src, %al|%al, $src}", []>; +def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src), + "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize; +def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src), + "sbb{l}\t{$src, %eax|%eax, $src}", []>; + +let Constraints = "$src1 = $dst" in { let isCodeGenOnly = 1 in { def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2), @@ -1088,10 +1105,14 @@ def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2), "sbb{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>; +} // Constraints = "$src1 = $dst" + } // Uses = [EFLAGS] } // Defs = [EFLAGS] let Defs = [EFLAGS] in { +let Constraints = "$src1 = $dst" in { + let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y // Register-Register Signed Integer Multiply def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2), @@ -1116,8 +1137,9 @@ def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), "imul{l}\t{$src2, $dst|$dst, $src2}", [(set GR32:$dst, EFLAGS, (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB; +} // Constraints = "$src1 = $dst" + } // Defs = [EFLAGS] -} // end Two Address instructions // Suprisingly enough, these are not two address instructions! let Defs = [EFLAGS] in {