| //==- SystemZInstrDFP.td - Floating-point SystemZ instructions -*- tblgen-*-==// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // The instructions in this file implement SystemZ decimal floating-point |
| // arithmetic. These instructions are inot currently used for code generation, |
| // are provided for use with the assembler and disassembler only. If LLVM |
| // ever supports decimal floating-point types (_Decimal64 etc.), they can |
| // also be used for code generation for those types. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Move instructions |
| //===----------------------------------------------------------------------===// |
| |
| // Load and test. |
| let Defs = [CC] in { |
| def LTDTR : UnaryRRE<"ltdtr", 0xB3D6, null_frag, FP64, FP64>; |
| def LTXTR : UnaryRRE<"ltxtr", 0xB3DE, null_frag, FP128, FP128>; |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Conversion instructions |
| //===----------------------------------------------------------------------===// |
| |
| // Convert floating-point values to narrower representations. The destination |
| // of LDXTR is a 128-bit value, but only the first register of the pair is used. |
| def LEDTR : TernaryRRFe<"ledtr", 0xB3D5, FP32, FP64>; |
| def LDXTR : TernaryRRFe<"ldxtr", 0xB3DD, FP128, FP128>; |
| |
| // Extend floating-point values to wider representations. |
| def LDETR : BinaryRRFd<"ldetr", 0xB3D4, FP64, FP32>; |
| def LXDTR : BinaryRRFd<"lxdtr", 0xB3DC, FP128, FP64>; |
| |
| // Convert a signed integer value to a floating-point one. |
| def CDGTR : UnaryRRE<"cdgtr", 0xB3F1, null_frag, FP64, GR64>; |
| def CXGTR : UnaryRRE<"cxgtr", 0xB3F9, null_frag, FP128, GR64>; |
| let Predicates = [FeatureFPExtension] in { |
| def CDGTRA : TernaryRRFe<"cdgtra", 0xB3F1, FP64, GR64>; |
| def CXGTRA : TernaryRRFe<"cxgtra", 0xB3F9, FP128, GR64>; |
| def CDFTR : TernaryRRFe<"cdftr", 0xB951, FP64, GR32>; |
| def CXFTR : TernaryRRFe<"cxftr", 0xB959, FP128, GR32>; |
| } |
| |
| // Convert an unsigned integer value to a floating-point one. |
| let Predicates = [FeatureFPExtension] in { |
| def CDLGTR : TernaryRRFe<"cdlgtr", 0xB952, FP64, GR64>; |
| def CXLGTR : TernaryRRFe<"cxlgtr", 0xB95A, FP128, GR64>; |
| def CDLFTR : TernaryRRFe<"cdlftr", 0xB953, FP64, GR32>; |
| def CXLFTR : TernaryRRFe<"cxlftr", 0xB95B, FP128, GR32>; |
| } |
| |
| // Convert a floating-point value to a signed integer value. |
| let Defs = [CC] in { |
| def CGDTR : BinaryRRFe<"cgdtr", 0xB3E1, GR64, FP64>; |
| def CGXTR : BinaryRRFe<"cgxtr", 0xB3E9, GR64, FP128>; |
| let Predicates = [FeatureFPExtension] in { |
| def CGDTRA : TernaryRRFe<"cgdtra", 0xB3E1, GR64, FP64>; |
| def CGXTRA : TernaryRRFe<"cgxtra", 0xB3E9, GR64, FP128>; |
| def CFDTR : TernaryRRFe<"cfdtr", 0xB941, GR32, FP64>; |
| def CFXTR : TernaryRRFe<"cfxtr", 0xB949, GR32, FP128>; |
| } |
| } |
| |
| // Convert a floating-point value to an unsigned integer value. |
| let Defs = [CC] in { |
| let Predicates = [FeatureFPExtension] in { |
| def CLGDTR : TernaryRRFe<"clgdtr", 0xB942, GR64, FP64>; |
| def CLGXTR : TernaryRRFe<"clgxtr", 0xB94A, GR64, FP128>; |
| def CLFDTR : TernaryRRFe<"clfdtr", 0xB943, GR32, FP64>; |
| def CLFXTR : TernaryRRFe<"clfxtr", 0xB94B, GR32, FP128>; |
| } |
| } |
| |
| // Convert a packed value to a floating-point one. |
| def CDSTR : UnaryRRE<"cdstr", 0xB3F3, null_frag, FP64, GR64>; |
| def CXSTR : UnaryRRE<"cxstr", 0xB3FB, null_frag, FP128, GR128>; |
| def CDUTR : UnaryRRE<"cdutr", 0xB3F2, null_frag, FP64, GR64>; |
| def CXUTR : UnaryRRE<"cxutr", 0xB3FA, null_frag, FP128, GR128>; |
| |
| // Convert a floating-point value to a packed value. |
| def CSDTR : BinaryRRFd<"csdtr", 0xB3E3, GR64, FP64>; |
| def CSXTR : BinaryRRFd<"csxtr", 0xB3EB, GR128, FP128>; |
| def CUDTR : UnaryRRE<"cudtr", 0xB3E2, null_frag, GR64, FP64>; |
| def CUXTR : UnaryRRE<"cuxtr", 0xB3EA, null_frag, GR128, FP128>; |
| |
| // Convert from/to memory values in the zoned format. |
| let Predicates = [FeatureDFPZonedConversion] in { |
| def CDZT : BinaryRSL<"cdzt", 0xEDAA, FP64>; |
| def CXZT : BinaryRSL<"cxzt", 0xEDAB, FP128>; |
| def CZDT : StoreBinaryRSL<"czdt", 0xEDA8, FP64>; |
| def CZXT : StoreBinaryRSL<"czxt", 0xEDA9, FP128>; |
| } |
| |
| // Convert from/to memory values in the packed format. |
| let Predicates = [FeatureDFPPackedConversion] in { |
| def CDPT : BinaryRSL<"cdpt", 0xEDAE, FP64>; |
| def CXPT : BinaryRSL<"cxpt", 0xEDAF, FP128>; |
| def CPDT : StoreBinaryRSL<"cpdt", 0xEDAC, FP64>; |
| def CPXT : StoreBinaryRSL<"cpxt", 0xEDAD, FP128>; |
| } |
| |
| // Perform floating-point operation. |
| let Defs = [CC, R1L, F0Q], Uses = [R0L, F4Q] in |
| def PFPO : SideEffectInherentE<"pfpo", 0x010A>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Unary arithmetic |
| //===----------------------------------------------------------------------===// |
| |
| // Round to an integer, with the second operand (M3) specifying the rounding |
| // mode. M4 can be set to 4 to suppress detection of inexact conditions. |
| def FIDTR : TernaryRRFe<"fidtr", 0xB3D7, FP64, FP64>; |
| def FIXTR : TernaryRRFe<"fixtr", 0xB3DF, FP128, FP128>; |
| |
| // Extract biased exponent. |
| def EEDTR : UnaryRRE<"eedtr", 0xB3E5, null_frag, FP64, FP64>; |
| def EEXTR : UnaryRRE<"eextr", 0xB3ED, null_frag, FP128, FP128>; |
| |
| // Extract significance. |
| def ESDTR : UnaryRRE<"esdtr", 0xB3E7, null_frag, FP64, FP64>; |
| def ESXTR : UnaryRRE<"esxtr", 0xB3EF, null_frag, FP128, FP128>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Binary arithmetic |
| //===----------------------------------------------------------------------===// |
| |
| // Addition. |
| let Defs = [CC] in { |
| let isCommutable = 1 in { |
| def ADTR : BinaryRRFa<"adtr", 0xB3D2, null_frag, FP64, FP64, FP64>; |
| def AXTR : BinaryRRFa<"axtr", 0xB3DA, null_frag, FP128, FP128, FP128>; |
| } |
| let Predicates = [FeatureFPExtension] in { |
| def ADTRA : TernaryRRFa<"adtra", 0xB3D2, FP64, FP64, FP64>; |
| def AXTRA : TernaryRRFa<"axtra", 0xB3DA, FP128, FP128, FP128>; |
| } |
| } |
| |
| // Subtraction. |
| let Defs = [CC] in { |
| def SDTR : BinaryRRFa<"sdtr", 0xB3D3, null_frag, FP64, FP64, FP64>; |
| def SXTR : BinaryRRFa<"sxtr", 0xB3DB, null_frag, FP128, FP128, FP128>; |
| let Predicates = [FeatureFPExtension] in { |
| def SDTRA : TernaryRRFa<"sdtra", 0xB3D3, FP64, FP64, FP64>; |
| def SXTRA : TernaryRRFa<"sxtra", 0xB3DB, FP128, FP128, FP128>; |
| } |
| } |
| |
| // Multiplication. |
| let isCommutable = 1 in { |
| def MDTR : BinaryRRFa<"mdtr", 0xB3D0, null_frag, FP64, FP64, FP64>; |
| def MXTR : BinaryRRFa<"mxtr", 0xB3D8, null_frag, FP128, FP128, FP128>; |
| } |
| let Predicates = [FeatureFPExtension] in { |
| def MDTRA : TernaryRRFa<"mdtra", 0xB3D0, FP64, FP64, FP64>; |
| def MXTRA : TernaryRRFa<"mxtra", 0xB3D8, FP128, FP128, FP128>; |
| } |
| |
| // Division. |
| def DDTR : BinaryRRFa<"ddtr", 0xB3D1, null_frag, FP64, FP64, FP64>; |
| def DXTR : BinaryRRFa<"dxtr", 0xB3D9, null_frag, FP128, FP128, FP128>; |
| let Predicates = [FeatureFPExtension] in { |
| def DDTRA : TernaryRRFa<"ddtra", 0xB3D1, FP64, FP64, FP64>; |
| def DXTRA : TernaryRRFa<"dxtra", 0xB3D9, FP128, FP128, FP128>; |
| } |
| |
| // Quantize. |
| def QADTR : TernaryRRFb<"qadtr", 0xB3F5, FP64, FP64, FP64>; |
| def QAXTR : TernaryRRFb<"qaxtr", 0xB3FD, FP128, FP128, FP128>; |
| |
| // Reround. |
| def RRDTR : TernaryRRFb<"rrdtr", 0xB3F7, FP64, FP64, FP64>; |
| def RRXTR : TernaryRRFb<"rrxtr", 0xB3FF, FP128, FP128, FP128>; |
| |
| // Shift significand left/right. |
| def SLDT : BinaryRXF<"sldt", 0xED40, null_frag, FP64, FP64, null_frag, 0>; |
| def SLXT : BinaryRXF<"slxt", 0xED48, null_frag, FP128, FP128, null_frag, 0>; |
| def SRDT : BinaryRXF<"srdt", 0xED41, null_frag, FP64, FP64, null_frag, 0>; |
| def SRXT : BinaryRXF<"srxt", 0xED49, null_frag, FP128, FP128, null_frag, 0>; |
| |
| // Insert biased exponent. |
| def IEDTR : BinaryRRFb<"iedtr", 0xB3F6, null_frag, FP64, FP64, FP64>; |
| def IEXTR : BinaryRRFb<"iextr", 0xB3FE, null_frag, FP128, FP128, FP128>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Comparisons |
| //===----------------------------------------------------------------------===// |
| |
| // Compare. |
| let Defs = [CC] in { |
| def CDTR : CompareRRE<"cdtr", 0xB3E4, null_frag, FP64, FP64>; |
| def CXTR : CompareRRE<"cxtr", 0xB3EC, null_frag, FP128, FP128>; |
| } |
| |
| // Compare and signal. |
| let Defs = [CC] in { |
| def KDTR : CompareRRE<"kdtr", 0xB3E0, null_frag, FP64, FP64>; |
| def KXTR : CompareRRE<"kxtr", 0xB3E8, null_frag, FP128, FP128>; |
| } |
| |
| // Compare biased exponent. |
| let Defs = [CC] in { |
| def CEDTR : CompareRRE<"cedtr", 0xB3F4, null_frag, FP64, FP64>; |
| def CEXTR : CompareRRE<"cextr", 0xB3FC, null_frag, FP128, FP128>; |
| } |
| |
| // Test Data Class. |
| let Defs = [CC] in { |
| def TDCET : TestRXE<"tdcet", 0xED50, null_frag, FP32>; |
| def TDCDT : TestRXE<"tdcdt", 0xED54, null_frag, FP64>; |
| def TDCXT : TestRXE<"tdcxt", 0xED58, null_frag, FP128>; |
| } |
| |
| // Test Data Group. |
| let Defs = [CC] in { |
| def TDGET : TestRXE<"tdget", 0xED51, null_frag, FP32>; |
| def TDGDT : TestRXE<"tdgdt", 0xED55, null_frag, FP64>; |
| def TDGXT : TestRXE<"tdgxt", 0xED59, null_frag, FP128>; |
| } |
| |
