From a047bcacf240291ed5b499ca2c45860320079513 Mon Sep 17 00:00:00 2001 From: Bill Wendling Date: Mon, 1 Dec 2008 23:30:42 +0000 Subject: [PATCH] - Have "ADD" instructions return an implicit EFLAGS. - Add support for seto, setno, setc, and setnc instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60382 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86Instr64bit.td | 42 +++++++---- lib/Target/X86/X86InstrInfo.cpp | 4 + lib/Target/X86/X86InstrInfo.td | 129 +++++++++++++++++++++++++------- 3 files changed, 135 insertions(+), 40 deletions(-) diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td index 98ad32c550d..68f062d30ff 100644 --- a/lib/Target/X86/X86Instr64bit.td +++ b/lib/Target/X86/X86Instr64bit.td @@ -314,59 +314,73 @@ let isConvertibleToThreeAddress = 1 in { let isCommutable = 1 in def ADD64rr : RI<0x01, MRMDestReg, (outs GR64:$dst), (ins GR64:$src1, GR64:$src2), "add{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (add GR64:$src1, GR64:$src2))]>; + [(set GR64:$dst, (add GR64:$src1, GR64:$src2)), + (implicit EFLAGS)]>; def ADD64ri32 : RIi32<0x81, MRM0r, (outs GR64:$dst), (ins GR64:$src1, i64i32imm:$src2), "add{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (add GR64:$src1, i64immSExt32:$src2))]>; + [(set GR64:$dst, (add GR64:$src1, i64immSExt32:$src2)), + (implicit EFLAGS)]>; def ADD64ri8 : RIi8<0x83, MRM0r, (outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2), "add{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (add GR64:$src1, i64immSExt8:$src2))]>; + [(set GR64:$dst, (add GR64:$src1, i64immSExt8:$src2)), + (implicit EFLAGS)]>; } // isConvertibleToThreeAddress def ADD64rm : RI<0x03, MRMSrcMem, (outs GR64:$dst), (ins GR64:$src1, i64mem:$src2), "add{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (add GR64:$src1, (load addr:$src2)))]>; + [(set GR64:$dst, (add GR64:$src1, (load addr:$src2))), + (implicit EFLAGS)]>; } // isTwoAddress def ADD64mr : RI<0x01, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src2), "add{q}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), GR64:$src2), addr:$dst)]>; + [(store (add (load addr:$dst), GR64:$src2), addr:$dst), + (implicit EFLAGS)]>; def ADD64mi32 : RIi32<0x81, MRM0m, (outs), (ins i64mem:$dst, i64i32imm :$src2), "add{q}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), i64immSExt32:$src2), addr:$dst)]>; + [(store (add (load addr:$dst), i64immSExt32:$src2), addr:$dst), + (implicit EFLAGS)]>; def ADD64mi8 : RIi8<0x83, MRM0m, (outs), (ins i64mem:$dst, i64i8imm :$src2), "add{q}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), i64immSExt8:$src2), addr:$dst)]>; + [(store (add (load addr:$dst), i64immSExt8:$src2), addr:$dst), + (implicit EFLAGS)]>; let Uses = [EFLAGS] in { let isTwoAddress = 1 in { let isCommutable = 1 in def ADC64rr : RI<0x11, MRMDestReg, (outs GR64:$dst), (ins GR64:$src1, GR64:$src2), "adc{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (adde GR64:$src1, GR64:$src2))]>; + [(set GR64:$dst, (adde GR64:$src1, GR64:$src2)), + (implicit EFLAGS)]>; def ADC64rm : RI<0x13, MRMSrcMem , (outs GR64:$dst), (ins GR64:$src1, i64mem:$src2), "adc{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (adde GR64:$src1, (load addr:$src2)))]>; + [(set GR64:$dst, (adde GR64:$src1, (load addr:$src2))), + (implicit EFLAGS)]>; def ADC64ri32 : RIi32<0x81, MRM2r, (outs GR64:$dst), (ins GR64:$src1, i64i32imm:$src2), "adc{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (adde GR64:$src1, i64immSExt32:$src2))]>; + [(set GR64:$dst, (adde GR64:$src1, i64immSExt32:$src2)), + (implicit EFLAGS)]>; def ADC64ri8 : RIi8<0x83, MRM2r, (outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2), "adc{q}\t{$src2, $dst|$dst, $src2}", - [(set GR64:$dst, (adde GR64:$src1, i64immSExt8:$src2))]>; + [(set GR64:$dst, (adde GR64:$src1, i64immSExt8:$src2)), + (implicit EFLAGS)]>; } // isTwoAddress def ADC64mr : RI<0x11, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src2), "adc{q}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), GR64:$src2), addr:$dst)]>; + [(store (adde (load addr:$dst), GR64:$src2), addr:$dst), + (implicit EFLAGS)]>; def ADC64mi32 : RIi32<0x81, MRM2m, (outs), (ins i64mem:$dst, i64i32imm:$src2), "adc{q}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), i64immSExt8:$src2), addr:$dst)]>; + [(store (adde (load addr:$dst), i64immSExt8:$src2), addr:$dst), + (implicit EFLAGS)]>; def ADC64mi8 : RIi8<0x83, MRM2m, (outs), (ins i64mem:$dst, i64i8imm :$src2), "adc{q}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), i64immSExt8:$src2), addr:$dst)]>; + [(store (adde (load addr:$dst), i64immSExt8:$src2), addr:$dst), + (implicit EFLAGS)]>; } // Uses = [EFLAGS] let isTwoAddress = 1 in { diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index ba73f49f883..4b2a20d1809 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -280,14 +280,18 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) { X86::SETAr, X86::SETAm, 0 }, { X86::SETBEr, X86::SETBEm, 0 }, { X86::SETBr, X86::SETBm, 0 }, + { X86::SETCr, X86::SETCm, 0 }, { X86::SETEr, X86::SETEm, 0 }, { X86::SETGEr, X86::SETGEm, 0 }, { X86::SETGr, X86::SETGm, 0 }, { X86::SETLEr, X86::SETLEm, 0 }, { X86::SETLr, X86::SETLm, 0 }, + { X86::SETNCr, X86::SETNCm, 0 }, { X86::SETNEr, X86::SETNEm, 0 }, + { X86::SETNOr, X86::SETNOm, 0 }, { X86::SETNPr, X86::SETNPm, 0 }, { X86::SETNSr, X86::SETNSm, 0 }, + { X86::SETOr, X86::SETOm, 0 }, { X86::SETPr, X86::SETPm, 0 }, { X86::SETSr, X86::SETSm, 0 }, { X86::TAILJMPr, X86::TAILJMPm, 1 }, diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index e6ec25be133..c2d3a5b5b51 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1926,110 +1926,136 @@ let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2), "add{b}\t{$src2, $dst|$dst, $src2}", - [(set GR8:$dst, (add GR8:$src1, GR8:$src2))]>; + [(set GR8:$dst, (add GR8:$src1, GR8:$src2)), + (implicit EFLAGS)]>; let isConvertibleToThreeAddress = 1 in { // Can transform into LEA. def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2), "add{w}\t{$src2, $dst|$dst, $src2}", - [(set GR16:$dst, (add GR16:$src1, GR16:$src2))]>, OpSize; + [(set GR16:$dst, (add GR16:$src1, GR16:$src2)), + (implicit EFLAGS)]>, OpSize; def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), "add{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>; + [(set GR32:$dst, (add GR32:$src1, GR32:$src2)), + (implicit EFLAGS)]>; } // end isConvertibleToThreeAddress } // end isCommutable def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2), "add{b}\t{$src2, $dst|$dst, $src2}", - [(set GR8:$dst, (add GR8:$src1, (load addr:$src2)))]>; + [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))), + (implicit EFLAGS)]>; def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2), "add{w}\t{$src2, $dst|$dst, $src2}", - [(set GR16:$dst, (add GR16:$src1, (load addr:$src2)))]>,OpSize; + [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))), + (implicit EFLAGS)]>, OpSize; def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2), "add{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (add GR32:$src1, (load addr:$src2)))]>; + [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))), + (implicit EFLAGS)]>; def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2), "add{b}\t{$src2, $dst|$dst, $src2}", - [(set GR8:$dst, (add GR8:$src1, imm:$src2))]>; + [(set GR8:$dst, (add GR8:$src1, imm:$src2)), + (implicit EFLAGS)]>; let isConvertibleToThreeAddress = 1 in { // Can transform into LEA. def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2), "add{w}\t{$src2, $dst|$dst, $src2}", - [(set GR16:$dst, (add GR16:$src1, imm:$src2))]>, OpSize; + [(set GR16:$dst, (add GR16:$src1, imm:$src2)), + (implicit EFLAGS)]>, OpSize; def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2), "add{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (add GR32:$src1, imm:$src2))]>; + [(set GR32:$dst, (add GR32:$src1, imm:$src2)), + (implicit EFLAGS)]>; def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2), "add{w}\t{$src2, $dst|$dst, $src2}", - [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>, OpSize; + [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)), + (implicit EFLAGS)]>, OpSize; def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2), "add{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>; + [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)), + (implicit EFLAGS)]>; } let isTwoAddress = 0 in { def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2), "add{b}\t{$src2, $dst|$dst, $src2}", - [(store (add (load addr:$dst), GR8:$src2), addr:$dst)]>; + [(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)]>, + [(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)]>; + [(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)]>; + [(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)]>, + [(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)]>; + [(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)]>, + [(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)]>; + [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst), + (implicit EFLAGS)]>; } let Uses = [EFLAGS] in { let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>; + [(set GR32:$dst, (adde GR32:$src1, GR32:$src2)), + (implicit EFLAGS)]>; } def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>; + [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2))), + (implicit EFLAGS)]>; def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>; + [(set GR32:$dst, (adde GR32:$src1, imm:$src2)), + (implicit EFLAGS)]>; def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", - [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>; + [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2)), + (implicit EFLAGS)]>; let isTwoAddress = 0 in { def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", - [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>; + [(store (adde (load addr:$dst), GR32:$src2), addr:$dst), + (implicit EFLAGS)]>; def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2), "adc{l}\t{$src2, $dst|$dst, $src2}", - [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>; + [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst), + (implicit EFLAGS)]>; def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$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:$dst), + (implicit EFLAGS)]>; } } // Uses = [EFLAGS] @@ -2272,6 +2298,7 @@ def SETEm : I<0x94, MRM0m, "sete\t$dst", [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>, TB; // [mem8] = == + def SETNEr : I<0x95, MRM0r, (outs GR8 :$dst), (ins), "setne\t$dst", @@ -2282,6 +2309,7 @@ def SETNEm : I<0x95, MRM0m, "setne\t$dst", [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>, TB; // [mem8] = != + def SETLr : I<0x9C, MRM0r, (outs GR8 :$dst), (ins), "setl\t$dst", @@ -2292,6 +2320,7 @@ def SETLm : I<0x9C, MRM0m, "setl\t$dst", [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>, TB; // [mem8] = < signed + def SETGEr : I<0x9D, MRM0r, (outs GR8 :$dst), (ins), "setge\t$dst", @@ -2302,6 +2331,7 @@ def SETGEm : I<0x9D, MRM0m, "setge\t$dst", [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>, TB; // [mem8] = >= signed + def SETLEr : I<0x9E, MRM0r, (outs GR8 :$dst), (ins), "setle\t$dst", @@ -2312,6 +2342,7 @@ def SETLEm : I<0x9E, MRM0m, "setle\t$dst", [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>, TB; // [mem8] = <= signed + def SETGr : I<0x9F, MRM0r, (outs GR8 :$dst), (ins), "setg\t$dst", @@ -2333,6 +2364,7 @@ def SETBm : I<0x92, MRM0m, "setb\t$dst", [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>, TB; // [mem8] = < unsign + def SETAEr : I<0x93, MRM0r, (outs GR8 :$dst), (ins), "setae\t$dst", @@ -2343,6 +2375,7 @@ def SETAEm : I<0x93, MRM0m, "setae\t$dst", [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>, TB; // [mem8] = >= unsign + def SETBEr : I<0x96, MRM0r, (outs GR8 :$dst), (ins), "setbe\t$dst", @@ -2353,6 +2386,7 @@ def SETBEm : I<0x96, MRM0m, "setbe\t$dst", [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>, TB; // [mem8] = <= unsign + def SETAr : I<0x97, MRM0r, (outs GR8 :$dst), (ins), "seta\t$dst", @@ -2384,6 +2418,7 @@ def SETNSm : I<0x99, MRM0m, "setns\t$dst", [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>, TB; // [mem8] = ! + def SETPr : I<0x9A, MRM0r, (outs GR8 :$dst), (ins), "setp\t$dst", @@ -2404,6 +2439,48 @@ def SETNPm : I<0x9B, MRM0m, "setnp\t$dst", [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>, TB; // [mem8] = not parity + +def SETOr : I<0x90, MRM0r, + (outs GR8 :$dst), (ins), + "seto\t$dst", + [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>, + TB; // GR8 = overflow +def SETOm : I<0x90, MRM0m, + (outs), (ins i8mem:$dst), + "seto\t$dst", + [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>, + TB; // [mem8] = overflow +def SETNOr : I<0x91, MRM0r, + (outs GR8 :$dst), (ins), + "setno\t$dst", + [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>, + TB; // GR8 = not overflow +def SETNOm : I<0x91, MRM0m, + (outs), (ins i8mem:$dst), + "setno\t$dst", + [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>, + TB; // [mem8] = not overflow + +def SETCr : I<0x92, MRM0r, + (outs GR8 :$dst), (ins), + "setc\t$dst", + [(set GR8:$dst, (X86setcc X86_COND_C, EFLAGS))]>, + TB; // GR8 = carry +def SETCm : I<0x92, MRM0m, + (outs), (ins i8mem:$dst), + "setc\t$dst", + [(store (X86setcc X86_COND_C, EFLAGS), addr:$dst)]>, + TB; // [mem8] = carry +def SETNCr : I<0x93, MRM0r, + (outs GR8 :$dst), (ins), + "setnc\t$dst", + [(set GR8:$dst, (X86setcc X86_COND_NC, EFLAGS))]>, + TB; // GR8 = not carry +def SETNCm : I<0x93, MRM0m, + (outs), (ins i8mem:$dst), + "setnc\t$dst", + [(store (X86setcc X86_COND_NC, EFLAGS), addr:$dst)]>, + TB; // [mem8] = not carry } // Uses = [EFLAGS] -- 2.34.1