|  | //===- SystemZInstrFP.td - SystemZ FP Instruction defs --------*- tblgen-*-===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This file describes the SystemZ (binary) floating point instructions in | 
|  | // TableGen format. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // FIXME: multiclassify! | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // FP Pattern fragments | 
|  |  | 
|  | def fpimm0 : PatLeaf<(fpimm), [{ | 
|  | return N->isExactlyValue(+0.0); | 
|  | }]>; | 
|  |  | 
|  | def fpimmneg0 : PatLeaf<(fpimm), [{ | 
|  | return N->isExactlyValue(-0.0); | 
|  | }]>; | 
|  |  | 
|  | let Uses = [PSW], usesCustomInserter = 1 in { | 
|  | def SelectF32 : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2, i8imm:$cc), | 
|  | "# SelectF32 PSEUDO", | 
|  | [(set FP32:$dst, | 
|  | (SystemZselect FP32:$src1, FP32:$src2, imm:$cc, PSW))]>; | 
|  | def SelectF64 : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2, i8imm:$cc), | 
|  | "# SelectF64 PSEUDO", | 
|  | [(set FP64:$dst, | 
|  | (SystemZselect FP64:$src1, FP64:$src2, imm:$cc, PSW))]>; | 
|  | } | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Move Instructions | 
|  |  | 
|  | // Floating point constant loads. | 
|  | let isReMaterializable = 1, isAsCheapAsAMove = 1 in { | 
|  | def LD_Fp032 : Pseudo<(outs FP32:$dst), (ins), | 
|  | "lzer\t{$dst}", | 
|  | [(set FP32:$dst, fpimm0)]>; | 
|  | def LD_Fp064 : Pseudo<(outs FP64:$dst), (ins), | 
|  | "lzdr\t{$dst}", | 
|  | [(set FP64:$dst, fpimm0)]>; | 
|  | } | 
|  |  | 
|  | let neverHasSideEffects = 1 in { | 
|  | def FMOV32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src), | 
|  | "ler\t{$dst, $src}", | 
|  | []>; | 
|  | def FMOV64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src), | 
|  | "ldr\t{$dst, $src}", | 
|  | []>; | 
|  | } | 
|  |  | 
|  | let canFoldAsLoad = 1, isReMaterializable = 1 in { | 
|  | def FMOV32rm  : Pseudo<(outs FP32:$dst), (ins rriaddr12:$src), | 
|  | "le\t{$dst, $src}", | 
|  | [(set FP32:$dst, (load rriaddr12:$src))]>; | 
|  | def FMOV32rmy : Pseudo<(outs FP32:$dst), (ins rriaddr:$src), | 
|  | "ley\t{$dst, $src}", | 
|  | [(set FP32:$dst, (load rriaddr:$src))]>; | 
|  | def FMOV64rm  : Pseudo<(outs FP64:$dst), (ins rriaddr12:$src), | 
|  | "ld\t{$dst, $src}", | 
|  | [(set FP64:$dst, (load rriaddr12:$src))]>; | 
|  | def FMOV64rmy : Pseudo<(outs FP64:$dst), (ins rriaddr:$src), | 
|  | "ldy\t{$dst, $src}", | 
|  | [(set FP64:$dst, (load rriaddr:$src))]>; | 
|  | } | 
|  |  | 
|  | def FMOV32mr  : Pseudo<(outs), (ins rriaddr12:$dst, FP32:$src), | 
|  | "ste\t{$src, $dst}", | 
|  | [(store FP32:$src, rriaddr12:$dst)]>; | 
|  | def FMOV32mry : Pseudo<(outs), (ins rriaddr:$dst, FP32:$src), | 
|  | "stey\t{$src, $dst}", | 
|  | [(store FP32:$src, rriaddr:$dst)]>; | 
|  | def FMOV64mr  : Pseudo<(outs), (ins rriaddr12:$dst, FP64:$src), | 
|  | "std\t{$src, $dst}", | 
|  | [(store FP64:$src, rriaddr12:$dst)]>; | 
|  | def FMOV64mry : Pseudo<(outs), (ins rriaddr:$dst, FP64:$src), | 
|  | "stdy\t{$src, $dst}", | 
|  | [(store FP64:$src, rriaddr:$dst)]>; | 
|  |  | 
|  | def FCOPYSIGN32 : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2), | 
|  | "cpsdr\t{$dst, $src2, $src1}", | 
|  | [(set FP32:$dst, (fcopysign FP32:$src1, FP32:$src2))]>; | 
|  | def FCOPYSIGN64 : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2), | 
|  | "cpsdr\t{$dst, $src2, $src1}", | 
|  | [(set FP64:$dst, (fcopysign FP64:$src1, FP64:$src2))]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Arithmetic Instructions | 
|  |  | 
|  |  | 
|  | let Defs = [PSW] in { | 
|  | def FNEG32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src), | 
|  | "lcebr\t{$dst, $src}", | 
|  | [(set FP32:$dst, (fneg FP32:$src)), | 
|  | (implicit PSW)]>; | 
|  | def FNEG64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src), | 
|  | "lcdbr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (fneg FP64:$src)), | 
|  | (implicit PSW)]>; | 
|  |  | 
|  | def FABS32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src), | 
|  | "lpebr\t{$dst, $src}", | 
|  | [(set FP32:$dst, (fabs FP32:$src)), | 
|  | (implicit PSW)]>; | 
|  | def FABS64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src), | 
|  | "lpdbr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (fabs FP64:$src)), | 
|  | (implicit PSW)]>; | 
|  |  | 
|  | def FNABS32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src), | 
|  | "lnebr\t{$dst, $src}", | 
|  | [(set FP32:$dst, (fneg(fabs FP32:$src))), | 
|  | (implicit PSW)]>; | 
|  | def FNABS64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src), | 
|  | "lndbr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (fneg(fabs FP64:$src))), | 
|  | (implicit PSW)]>; | 
|  | } | 
|  |  | 
|  | let Constraints = "$src1 = $dst" in { | 
|  | let Defs = [PSW] in { | 
|  | let isCommutable = 1 in { // X = ADD Y, Z  == X = ADD Z, Y | 
|  | def FADD32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2), | 
|  | "aebr\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fadd FP32:$src1, FP32:$src2)), | 
|  | (implicit PSW)]>; | 
|  | def FADD64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2), | 
|  | "adbr\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fadd FP64:$src1, FP64:$src2)), | 
|  | (implicit PSW)]>; | 
|  | } | 
|  |  | 
|  | def FADD32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr12:$src2), | 
|  | "aeb\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fadd FP32:$src1, (load rriaddr12:$src2))), | 
|  | (implicit PSW)]>; | 
|  | def FADD64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr12:$src2), | 
|  | "adb\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fadd FP64:$src1, (load rriaddr12:$src2))), | 
|  | (implicit PSW)]>; | 
|  |  | 
|  | def FSUB32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2), | 
|  | "sebr\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fsub FP32:$src1, FP32:$src2)), | 
|  | (implicit PSW)]>; | 
|  | def FSUB64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2), | 
|  | "sdbr\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fsub FP64:$src1, FP64:$src2)), | 
|  | (implicit PSW)]>; | 
|  |  | 
|  | def FSUB32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr12:$src2), | 
|  | "seb\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fsub FP32:$src1, (load rriaddr12:$src2))), | 
|  | (implicit PSW)]>; | 
|  | def FSUB64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr12:$src2), | 
|  | "sdb\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fsub FP64:$src1, (load rriaddr12:$src2))), | 
|  | (implicit PSW)]>; | 
|  | } // Defs = [PSW] | 
|  |  | 
|  | let isCommutable = 1 in { // X = MUL Y, Z  == X = MUL Z, Y | 
|  | def FMUL32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2), | 
|  | "meebr\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fmul FP32:$src1, FP32:$src2))]>; | 
|  | def FMUL64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2), | 
|  | "mdbr\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fmul FP64:$src1, FP64:$src2))]>; | 
|  | } | 
|  |  | 
|  | def FMUL32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr12:$src2), | 
|  | "meeb\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fmul FP32:$src1, (load rriaddr12:$src2)))]>; | 
|  | def FMUL64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr12:$src2), | 
|  | "mdb\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fmul FP64:$src1, (load rriaddr12:$src2)))]>; | 
|  |  | 
|  | def FMADD32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2, FP32:$src3), | 
|  | "maebr\t{$dst, $src3, $src2}", | 
|  | [(set FP32:$dst, (fadd (fmul FP32:$src2, FP32:$src3), | 
|  | FP32:$src1))]>; | 
|  | def FMADD32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr12:$src2, FP32:$src3), | 
|  | "maeb\t{$dst, $src3, $src2}", | 
|  | [(set FP32:$dst, (fadd (fmul (load rriaddr12:$src2), | 
|  | FP32:$src3), | 
|  | FP32:$src1))]>; | 
|  |  | 
|  | def FMADD64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2, FP64:$src3), | 
|  | "madbr\t{$dst, $src3, $src2}", | 
|  | [(set FP64:$dst, (fadd (fmul FP64:$src2, FP64:$src3), | 
|  | FP64:$src1))]>; | 
|  | def FMADD64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr12:$src2, FP64:$src3), | 
|  | "madb\t{$dst, $src3, $src2}", | 
|  | [(set FP64:$dst, (fadd (fmul (load rriaddr12:$src2), | 
|  | FP64:$src3), | 
|  | FP64:$src1))]>; | 
|  |  | 
|  | def FMSUB32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2, FP32:$src3), | 
|  | "msebr\t{$dst, $src3, $src2}", | 
|  | [(set FP32:$dst, (fsub (fmul FP32:$src2, FP32:$src3), | 
|  | FP32:$src1))]>; | 
|  | def FMSUB32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr12:$src2, FP32:$src3), | 
|  | "mseb\t{$dst, $src3, $src2}", | 
|  | [(set FP32:$dst, (fsub (fmul (load rriaddr12:$src2), | 
|  | FP32:$src3), | 
|  | FP32:$src1))]>; | 
|  |  | 
|  | def FMSUB64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2, FP64:$src3), | 
|  | "msdbr\t{$dst, $src3, $src2}", | 
|  | [(set FP64:$dst, (fsub (fmul FP64:$src2, FP64:$src3), | 
|  | FP64:$src1))]>; | 
|  | def FMSUB64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr12:$src2, FP64:$src3), | 
|  | "msdb\t{$dst, $src3, $src2}", | 
|  | [(set FP64:$dst, (fsub (fmul (load rriaddr12:$src2), | 
|  | FP64:$src3), | 
|  | FP64:$src1))]>; | 
|  |  | 
|  | def FDIV32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2), | 
|  | "debr\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fdiv FP32:$src1, FP32:$src2))]>; | 
|  | def FDIV64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2), | 
|  | "ddbr\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fdiv FP64:$src1, FP64:$src2))]>; | 
|  |  | 
|  | def FDIV32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr12:$src2), | 
|  | "deb\t{$dst, $src2}", | 
|  | [(set FP32:$dst, (fdiv FP32:$src1, (load rriaddr12:$src2)))]>; | 
|  | def FDIV64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr12:$src2), | 
|  | "ddb\t{$dst, $src2}", | 
|  | [(set FP64:$dst, (fdiv FP64:$src1, (load rriaddr12:$src2)))]>; | 
|  |  | 
|  | } // Constraints = "$src1 = $dst" | 
|  |  | 
|  | def FSQRT32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src), | 
|  | "sqebr\t{$dst, $src}", | 
|  | [(set FP32:$dst, (fsqrt FP32:$src))]>; | 
|  | def FSQRT64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src), | 
|  | "sqdbr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (fsqrt FP64:$src))]>; | 
|  |  | 
|  | def FSQRT32rm : Pseudo<(outs FP32:$dst), (ins rriaddr12:$src), | 
|  | "sqeb\t{$dst, $src}", | 
|  | [(set FP32:$dst, (fsqrt (load rriaddr12:$src)))]>; | 
|  | def FSQRT64rm : Pseudo<(outs FP64:$dst), (ins rriaddr12:$src), | 
|  | "sqdb\t{$dst, $src}", | 
|  | [(set FP64:$dst, (fsqrt (load rriaddr12:$src)))]>; | 
|  |  | 
|  | def FROUND64r32 : Pseudo<(outs FP32:$dst), (ins FP64:$src), | 
|  | "ledbr\t{$dst, $src}", | 
|  | [(set FP32:$dst, (fround FP64:$src))]>; | 
|  |  | 
|  | def FEXT32r64   : Pseudo<(outs FP64:$dst), (ins FP32:$src), | 
|  | "ldebr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (fextend FP32:$src))]>; | 
|  | def FEXT32m64   : Pseudo<(outs FP64:$dst), (ins rriaddr12:$src), | 
|  | "ldeb\t{$dst, $src}", | 
|  | [(set FP64:$dst, (fextend (load rriaddr12:$src)))]>; | 
|  |  | 
|  | let Defs = [PSW] in { | 
|  | def FCONVFP32   : Pseudo<(outs FP32:$dst), (ins GR32:$src), | 
|  | "cefbr\t{$dst, $src}", | 
|  | [(set FP32:$dst, (sint_to_fp GR32:$src)), | 
|  | (implicit PSW)]>; | 
|  | def FCONVFP32r64: Pseudo<(outs FP32:$dst), (ins GR64:$src), | 
|  | "cegbr\t{$dst, $src}", | 
|  | [(set FP32:$dst, (sint_to_fp GR64:$src)), | 
|  | (implicit PSW)]>; | 
|  |  | 
|  | def FCONVFP64r32: Pseudo<(outs FP64:$dst), (ins GR32:$src), | 
|  | "cdfbr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (sint_to_fp GR32:$src)), | 
|  | (implicit PSW)]>; | 
|  | def FCONVFP64   : Pseudo<(outs FP64:$dst), (ins GR64:$src), | 
|  | "cdgbr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (sint_to_fp GR64:$src)), | 
|  | (implicit PSW)]>; | 
|  |  | 
|  | def FCONVGR32   : Pseudo<(outs GR32:$dst), (ins FP32:$src), | 
|  | "cfebr\t{$dst, 5, $src}", | 
|  | [(set GR32:$dst, (fp_to_sint FP32:$src)), | 
|  | (implicit PSW)]>; | 
|  | def FCONVGR32r64: Pseudo<(outs GR32:$dst), (ins FP64:$src), | 
|  | "cfdbr\t{$dst, 5, $src}", | 
|  | [(set GR32:$dst, (fp_to_sint FP64:$src)), | 
|  | (implicit PSW)]>; | 
|  |  | 
|  | def FCONVGR64r32: Pseudo<(outs GR64:$dst), (ins FP32:$src), | 
|  | "cgebr\t{$dst, 5, $src}", | 
|  | [(set GR64:$dst, (fp_to_sint FP32:$src)), | 
|  | (implicit PSW)]>; | 
|  | def FCONVGR64   : Pseudo<(outs GR64:$dst), (ins FP64:$src), | 
|  | "cgdbr\t{$dst, 5, $src}", | 
|  | [(set GR64:$dst, (fp_to_sint FP64:$src)), | 
|  | (implicit PSW)]>; | 
|  | } // Defs = [PSW] | 
|  |  | 
|  | def FBCONVG64   : Pseudo<(outs GR64:$dst), (ins FP64:$src), | 
|  | "lgdr\t{$dst, $src}", | 
|  | [(set GR64:$dst, (bitconvert FP64:$src))]>; | 
|  | def FBCONVF64   : Pseudo<(outs FP64:$dst), (ins GR64:$src), | 
|  | "ldgr\t{$dst, $src}", | 
|  | [(set FP64:$dst, (bitconvert GR64:$src))]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Test instructions (like AND but do not produce any result) | 
|  |  | 
|  | // Integer comparisons | 
|  | let Defs = [PSW] in { | 
|  | def FCMP32rr : Pseudo<(outs), (ins FP32:$src1, FP32:$src2), | 
|  | "cebr\t$src1, $src2", | 
|  | [(set PSW, (SystemZcmp FP32:$src1, FP32:$src2))]>; | 
|  | def FCMP64rr : Pseudo<(outs), (ins FP64:$src1, FP64:$src2), | 
|  | "cdbr\t$src1, $src2", | 
|  | [(set PSW, (SystemZcmp FP64:$src1, FP64:$src2))]>; | 
|  |  | 
|  | def FCMP32rm : Pseudo<(outs), (ins FP32:$src1, rriaddr12:$src2), | 
|  | "ceb\t$src1, $src2", | 
|  | [(set PSW, (SystemZcmp FP32:$src1, | 
|  | (load rriaddr12:$src2)))]>; | 
|  | def FCMP64rm : Pseudo<(outs), (ins FP64:$src1, rriaddr12:$src2), | 
|  | "cdb\t$src1, $src2", | 
|  | [(set PSW, (SystemZcmp FP64:$src1, | 
|  | (load rriaddr12:$src2)))]>; | 
|  | } // Defs = [PSW] | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Non-Instruction Patterns | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // Floating point constant -0.0 | 
|  | def : Pat<(f32 fpimmneg0), (FNEG32rr (LD_Fp032))>; | 
|  | def : Pat<(f64 fpimmneg0), (FNEG64rr (LD_Fp064))>; |