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Scrunch memoperands, add a few more for floating point memops
Eliminate the FPI*m classes, converting them to use FPI instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15655 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner
parent
8549429a78
commit
9795b3a0e7
@ -15,21 +15,19 @@
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// *mem - Operand definitions for the funky X86 addressing mode operands.
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//
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def i8mem : Operand<i8> {
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let NumMIOperands = 4;
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let PrintMethod = "printMemoryOperand";
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}
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def i16mem : Operand<i16> {
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let NumMIOperands = 4;
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let PrintMethod = "printMemoryOperand";
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}
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def i32mem : Operand<i32> {
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class X86MemOperand<ValueType Ty> : Operand<Ty> {
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let NumMIOperands = 4;
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let PrintMethod = "printMemoryOperand";
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}
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def i8mem : X86MemOperand<i8>;
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def i16mem : X86MemOperand<i16>;
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def i32mem : X86MemOperand<i32>;
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def i64mem : X86MemOperand<i64>;
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def f32mem : X86MemOperand<f32>;
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def f64mem : X86MemOperand<f64>;
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def f80mem : X86MemOperand<f80>;
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// Format specifies the encoding used by the instruction. This is part of the
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// ad-hoc solution used to emit machine instruction encodings by our machine
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@ -889,19 +887,11 @@ def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src), "movzx $dst, $s
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// FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP'
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// Floating point instruction templates
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class FPInst<string n, bits<8> o, Format F, FPFormat fp, MemType m, ImmType i>
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: X86Inst<n, o, F, m, i> { let FPForm = fp; let FPFormBits = FPForm.Value; }
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// Floating point instruction template
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class FPI<bits<8> o, Format F, FPFormat fp, dag ops, string asm>
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: FPInst<"", o, F, fp, NoMem, NoImm>, II<ops, asm>;
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class FPIM<string n, bits<8> o, Format F, FPFormat fp, MemType m> : FPInst<n, o, F, fp, m, NoImm>;
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class FPI16m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem16>;
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class FPI32m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem32>;
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class FPI64m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem64>;
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class FPI80m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem80>;
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: X86Inst<"", o, F, NoMem, NoImm>, II<ops, asm> {
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let FPForm = fp; let FPFormBits = FPForm.Value;
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}
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// Pseudo instructions for floating point. We use these pseudo instructions
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// because they can be expanded by the fp spackifier into one of many different
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@ -917,42 +907,46 @@ def FpGETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP), "">; // FPR = ST(0)
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def FpSETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP), "">; // ST(0) = FPR
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// FADD reg, mem: Before stackification, these are represented by: R1 = FADD* R2, [mem]
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def FADD32m : FPI32m<"fadd", 0xD8, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32real]
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def FADD64m : FPI64m<"fadd", 0xDC, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem64real]
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def FIADD16m : FPI16m<"fiadd", 0xDE, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem16int]
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def FIADD32m : FPI32m<"fiadd", 0xDA, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32int]
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def FADD32m : FPI<0xD8, MRM0m, OneArgFPRW, (ops f32mem:$src), "fadd $src">; // ST(0) = ST(0) + [mem32real]
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def FADD64m : FPI<0xDC, MRM0m, OneArgFPRW, (ops f64mem:$src), "fadd $src">; // ST(0) = ST(0) + [mem64real]
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/*
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def FIADD16m : FPI<0xDE, MRM0m, OneArgFPRW, (ops i16mem:$src), // ST(0) = ST(0) + [mem16int]
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"fiadd $src">;
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def FIADD32m : FPI<0xDA, MRM0m, OneArgFPRW, (ops i32mem:$src), // ST(0) = ST(0) + [mem32int]
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"fiadd $src">;
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*/
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// FMUL reg, mem: Before stackification, these are represented by: R1 = FMUL* R2, [mem]
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def FMUL32m : FPI32m<"fmul", 0xD8, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem32real]
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def FMUL64m : FPI64m<"fmul", 0xDC, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem64real]
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def FIMUL16m : FPI16m<"fimul", 0xDE, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem16int]
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def FIMUL32m : FPI32m<"fimul", 0xDA, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem32int]
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def FMUL32m : FPI<0xD8, MRM1m, OneArgFPRW, (ops f32mem:$src), "fmul $src">; // ST(0) = ST(0) * [mem32real]
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def FMUL64m : FPI<0xDC, MRM1m, OneArgFPRW, (ops f64mem:$src), "fmul $src">; // ST(0) = ST(0) * [mem64real]
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//def FIMUL16m : FPI16m<"fimul", 0xDE, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem16int]
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//def FIMUL32m : FPI32m<"fimul", 0xDA, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem32int]
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// FSUB reg, mem: Before stackification, these are represented by: R1 = FSUB* R2, [mem]
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def FSUB32m : FPI32m<"fsub", 0xD8, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem32real]
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def FSUB64m : FPI64m<"fsub", 0xDC, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem64real]
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def FISUB16m : FPI16m<"fisub", 0xDE, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem16int]
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def FISUB32m : FPI32m<"fisub", 0xDA, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem32int]
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def FSUB32m : FPI<0xD8, MRM4m, OneArgFPRW, (ops f32mem:$src), "fsub $src">; // ST(0) = ST(0) - [mem32real]
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def FSUB64m : FPI<0xDC, MRM4m, OneArgFPRW, (ops f64mem:$src), "fsub $src">; // ST(0) = ST(0) - [mem64real]
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//def FISUB16m : FPI16m<"fisub", 0xDE, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem16int]
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//def FISUB32m : FPI32m<"fisub", 0xDA, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem32int]
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// FSUBR reg, mem: Before stackification, these are represented by: R1 = FSUBR* R2, [mem]
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// Note that the order of operands does not reflect the operation being performed.
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def FSUBR32m : FPI32m<"fsubr", 0xD8, MRM5m, OneArgFPRW>; // ST(0) = [mem32real] - ST(0)
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def FSUBR64m : FPI64m<"fsubr", 0xDC, MRM5m, OneArgFPRW>; // ST(0) = [mem64real] - ST(0)
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def FISUBR16m : FPI16m<"fisubr", 0xDE, MRM5m, OneArgFPRW>; // ST(0) = [mem16int] - ST(0)
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def FISUBR32m : FPI32m<"fisubr", 0xDA, MRM5m, OneArgFPRW>; // ST(0) = [mem32int] - ST(0)
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def FSUBR32m : FPI<0xD8, MRM5m, OneArgFPRW, (ops f32mem:$src), "fsubr $src">; // ST(0) = [mem32real] - ST(0)
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def FSUBR64m : FPI<0xDC, MRM5m, OneArgFPRW, (ops f64mem:$src), "fsubr $src">; // ST(0) = [mem64real] - ST(0)
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//def FISUBR16m : FPI16m<"fisubr", 0xDE, MRM5m, OneArgFPRW>; // ST(0) = [mem16int] - ST(0)
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//def FISUBR32m : FPI32m<"fisubr", 0xDA, MRM5m, OneArgFPRW>; // ST(0) = [mem32int] - ST(0)
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// FDIV reg, mem: Before stackification, these are represented by: R1 = FDIV* R2, [mem]
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def FDIV32m : FPI32m<"fdiv", 0xD8, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem32real]
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def FDIV64m : FPI64m<"fdiv", 0xDC, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem64real]
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def FIDIV16m : FPI16m<"fidiv", 0xDE, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem16int]
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def FIDIV32m : FPI32m<"fidiv", 0xDA, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem32int]
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def FDIV32m : FPI<0xD8, MRM6m, OneArgFPRW, (ops f32mem:$src), "fdiv $src">; // ST(0) = ST(0) / [mem32real]
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def FDIV64m : FPI<0xDC, MRM6m, OneArgFPRW, (ops f64mem:$src), "fdiv $src">; // ST(0) = ST(0) / [mem64real]
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//def FIDIV16m : FPI16m<"fidiv", 0xDE, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem16int]
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//def FIDIV32m : FPI32m<"fidiv", 0xDA, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem32int]
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// FDIVR reg, mem: Before stackification, these are represented by: R1 = FDIVR* R2, [mem]
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// Note that the order of operands does not reflect the operation being performed.
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def FDIVR32m : FPI32m<"fdivr", 0xD8, MRM7m, OneArgFPRW>; // ST(0) = [mem32real] / ST(0)
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def FDIVR64m : FPI64m<"fdivr", 0xDC, MRM7m, OneArgFPRW>; // ST(0) = [mem64real] / ST(0)
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def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>; // ST(0) = [mem16int] / ST(0)
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def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>; // ST(0) = [mem32int] / ST(0)
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def FDIVR32m : FPI<0xD8, MRM7m, OneArgFPRW, (ops f32mem:$src), "fdivr $src">; // ST(0) = [mem32real] / ST(0)
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def FDIVR64m : FPI<0xDC, MRM7m, OneArgFPRW, (ops f64mem:$src), "fdivr $src">; // ST(0) = [mem64real] / ST(0)
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//def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>; // ST(0) = [mem16int] / ST(0)
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//def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>; // ST(0) = [mem32int] / ST(0)
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// Floating point cmovs...
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@ -972,28 +966,27 @@ let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in {
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}
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// Floating point loads & stores...
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let Name = "fld" in
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def FLDrr : FPI<0xC0, AddRegFrm, NotFP, (ops RST:$op), "fld $op">, D9;
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def FLD32m : FPI32m <"fld" , 0xD9, MRM0m , ZeroArgFP>; // load float
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def FLD64m : FPI64m <"fld" , 0xDD, MRM0m , ZeroArgFP>; // load double
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def FLD80m : FPI80m <"fld" , 0xDB, MRM5m , ZeroArgFP>; // load extended
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def FILD16m : FPI16m <"fild" , 0xDF, MRM0m , ZeroArgFP>; // load signed short
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def FILD32m : FPI32m <"fild" , 0xDB, MRM0m , ZeroArgFP>; // load signed int
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def FILD64m : FPI64m <"fild" , 0xDF, MRM5m , ZeroArgFP>; // load signed long
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def FLDrr : FPI<0xC0, AddRegFrm, NotFP, (ops RST:$src), "fld $src">, D9;
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def FLD32m : FPI<0xD9, MRM0m, ZeroArgFP, (ops f32mem:$src), "fld $src">;
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def FLD64m : FPI<0xDD, MRM0m, ZeroArgFP, (ops f64mem:$src), "fld $src">;
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def FLD80m : FPI<0xDB, MRM5m, ZeroArgFP, (ops f80mem:$src), "fld $src">;
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def FILD16m : FPI<0xDF, MRM0m, ZeroArgFP, (ops i16mem:$src), "fild $src">;
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def FILD32m : FPI<0xDB, MRM0m, ZeroArgFP, (ops i32mem:$src), "fild $src">;
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def FILD64m : FPI<0xDF, MRM5m, ZeroArgFP, (ops i64mem:$src), "fild $src">;
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def FSTrr : FPI<0xD0, AddRegFrm, NotFP, (ops RST:$op), "fst $op">, DD; // ST(i) = ST(0)
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def FSTPrr : FPI<0xD8, AddRegFrm, NotFP, (ops RST:$op), "fstp $op">, DD; // ST(i) = ST(0), pop
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def FST32m : FPI32m <"fst" , 0xD9, MRM2m , OneArgFP>; // store float
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def FST64m : FPI64m <"fst" , 0xDD, MRM2m , OneArgFP>; // store double
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def FSTP32m : FPI32m <"fstp", 0xD9, MRM3m , OneArgFP>; // store float, pop
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def FSTP64m : FPI64m <"fstp", 0xDD, MRM3m , OneArgFP>; // store double, pop
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def FSTP80m : FPI80m <"fstp", 0xDB, MRM7m , OneArgFP>; // store extended, pop
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def FSTrr : FPI<0xD0, AddRegFrm, NotFP, (ops RST:$op), "fst $op">, DD;
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def FSTPrr : FPI<0xD8, AddRegFrm, NotFP, (ops RST:$op), "fstp $op">, DD;
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def FST32m : FPI<0xD9, MRM2m, OneArgFP, (ops f32mem:$op), "fst $op">;
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def FST64m : FPI<0xDD, MRM2m, OneArgFP, (ops f64mem:$op), "fst $op">;
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def FSTP32m : FPI<0xD9, MRM3m, OneArgFP, (ops f32mem:$op), "fstp $op">;
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def FSTP64m : FPI<0xDD, MRM3m, OneArgFP, (ops f64mem:$op), "fstp $op">;
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def FSTP80m : FPI<0xDB, MRM7m, OneArgFP, (ops f80mem:$op), "fstp $op">;
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def FIST16m : FPI16m <"fist", 0xDF, MRM2m , OneArgFP>; // store signed short
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def FIST32m : FPI32m <"fist", 0xDB, MRM2m , OneArgFP>; // store signed int
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def FISTP16m : FPI16m <"fistp", 0xDF, MRM3m , NotFP >; // store signed short, pop
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def FISTP32m : FPI32m <"fistp", 0xDB, MRM3m , NotFP >; // store signed int, pop
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def FISTP64m : FPI64m <"fistpll", 0xDF, MRM7m , OneArgFP>; // store signed long, pop
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def FIST16m : FPI<0xDF, MRM2m , OneArgFP, (ops i16mem:$op), "fist $op">;
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def FIST32m : FPI<0xDB, MRM2m , OneArgFP, (ops i32mem:$op), "fist $op">;
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def FISTP16m : FPI<0xDF, MRM3m , NotFP , (ops i16mem:$op), "fistp $op">;
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def FISTP32m : FPI<0xDB, MRM3m , NotFP , (ops i32mem:$op), "fistp $op">;
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def FISTP64m : FPI<0xDF, MRM7m , OneArgFP, (ops i64mem:$op), "fistpll $op">;
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def FXCH : FPI<0xC8, AddRegFrm, NotFP, (ops RST:$op), "fxch $op">, D9; // fxch ST(i), ST(0)
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