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llvm-project/llvm/lib/Target/ARM/ARMInstrVFP.td

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//===- ARMInstrVFP.td - VFP support for ARM -------------------------------===//
//
// 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 ARM VFP instruction set.
//
//===----------------------------------------------------------------------===//
def SDT_FTOI :
SDTypeProfile<1, 1, [SDTCisVT<0, f32>, SDTCisFP<1>]>;
def SDT_ITOF :
SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisVT<1, f32>]>;
def SDT_CMPFP0 :
SDTypeProfile<0, 1, [SDTCisFP<0>]>;
def SDT_VMOVDRR :
SDTypeProfile<1, 2, [SDTCisVT<0, f64>, SDTCisVT<1, i32>,
SDTCisSameAs<1, 2>]>;
def arm_ftoui : SDNode<"ARMISD::FTOUI", SDT_FTOI>;
def arm_ftosi : SDNode<"ARMISD::FTOSI", SDT_FTOI>;
def arm_sitof : SDNode<"ARMISD::SITOF", SDT_ITOF>;
def arm_uitof : SDNode<"ARMISD::UITOF", SDT_ITOF>;
def arm_fmstat : SDNode<"ARMISD::FMSTAT", SDTNone, [SDNPInFlag,SDNPOutFlag]>;
def arm_cmpfp : SDNode<"ARMISD::CMPFP", SDT_ARMCmp, [SDNPOutFlag]>;
def arm_cmpfp0 : SDNode<"ARMISD::CMPFPw0",SDT_CMPFP0, [SDNPOutFlag]>;
def arm_fmdrr : SDNode<"ARMISD::VMOVDRR", SDT_VMOVDRR>;
//===----------------------------------------------------------------------===//
// Operand Definitions.
//
def vfp_f32imm : Operand<f32>,
PatLeaf<(f32 fpimm), [{
return ARM::getVFPf32Imm(N->getValueAPF()) != -1;
}]> {
let PrintMethod = "printVFPf32ImmOperand";
}
def vfp_f64imm : Operand<f64>,
PatLeaf<(f64 fpimm), [{
return ARM::getVFPf64Imm(N->getValueAPF()) != -1;
}]> {
let PrintMethod = "printVFPf64ImmOperand";
}
//===----------------------------------------------------------------------===//
// Load / store Instructions.
//
let canFoldAsLoad = 1, isReMaterializable = 1 in {
def VLDRD : ADI5<0b1101, 0b01, (outs DPR:$dst), (ins addrmode5:$addr),
IIC_fpLoad64, "vldr", ".64\t$dst, $addr",
[(set DPR:$dst, (f64 (load addrmode5:$addr)))]>;
def VLDRS : ASI5<0b1101, 0b01, (outs SPR:$dst), (ins addrmode5:$addr),
IIC_fpLoad32, "vldr", ".32\t$dst, $addr",
[(set SPR:$dst, (load addrmode5:$addr))]>;
} // canFoldAsLoad
def VSTRD : ADI5<0b1101, 0b00, (outs), (ins DPR:$src, addrmode5:$addr),
IIC_fpStore64, "vstr", ".64\t$src, $addr",
[(store (f64 DPR:$src), addrmode5:$addr)]>;
def VSTRS : ASI5<0b1101, 0b00, (outs), (ins SPR:$src, addrmode5:$addr),
IIC_fpStore32, "vstr", ".32\t$src, $addr",
[(store SPR:$src, addrmode5:$addr)]>;
//===----------------------------------------------------------------------===//
// Load / store multiple Instructions.
//
let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
def VLDMD : AXDI5<(outs), (ins addrmode4:$addr, pred:$p, reglist:$dsts,
variable_ops), IndexModeNone, IIC_fpLoadm,
"vldm${addr:submode}${p}\t$addr, $dsts", "", []> {
let Inst{20} = 1;
}
def VLDMS : AXSI5<(outs), (ins addrmode4:$addr, pred:$p, reglist:$dsts,
variable_ops), IndexModeNone, IIC_fpLoadm,
"vldm${addr:submode}${p}\t$addr, $dsts", "", []> {
let Inst{20} = 1;
}
def VLDMD_UPD : AXDI5<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
reglist:$dsts, variable_ops),
IndexModeUpd, IIC_fpLoadm,
"vldm${addr:submode}${p}\t$addr!, $dsts",
"$addr.addr = $wb", []> {
let Inst{20} = 1;
}
def VLDMS_UPD : AXSI5<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
reglist:$dsts, variable_ops),
IndexModeUpd, IIC_fpLoadm,
"vldm${addr:submode}${p}\t$addr!, $dsts",
"$addr.addr = $wb", []> {
let Inst{20} = 1;
}
} // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
def VSTMD : AXDI5<(outs), (ins addrmode4:$addr, pred:$p, reglist:$srcs,
variable_ops), IndexModeNone, IIC_fpStorem,
"vstm${addr:submode}${p}\t$addr, $srcs", "", []> {
let Inst{20} = 0;
}
def VSTMS : AXSI5<(outs), (ins addrmode4:$addr, pred:$p, reglist:$srcs,
variable_ops), IndexModeNone, IIC_fpStorem,
"vstm${addr:submode}${p}\t$addr, $srcs", "", []> {
let Inst{20} = 0;
}
def VSTMD_UPD : AXDI5<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
reglist:$srcs, variable_ops),
IndexModeUpd, IIC_fpStorem,
"vstm${addr:submode}${p}\t$addr!, $srcs",
"$addr.addr = $wb", []> {
let Inst{20} = 0;
}
def VSTMS_UPD : AXSI5<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
reglist:$srcs, variable_ops),
IndexModeUpd, IIC_fpStorem,
"vstm${addr:submode}${p}\t$addr!, $srcs",
"$addr.addr = $wb", []> {
let Inst{20} = 0;
}
} // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
// FLDMX, FSTMX - mixing S/D registers for pre-armv6 cores
//===----------------------------------------------------------------------===//
// FP Binary Operations.
//
def VADDD : ADbI<0b11100, 0b11, 0, 0, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
IIC_fpALU64, "vadd", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fadd DPR:$a, (f64 DPR:$b)))]>;
def VADDS : ASbIn<0b11100, 0b11, 0, 0, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
IIC_fpALU32, "vadd", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fadd SPR:$a, SPR:$b))]>;
// These are encoded as unary instructions.
let Defs = [FPSCR] in {
def VCMPED : ADuI<0b11101, 0b11, 0b0100, 0b11, 0, (outs), (ins DPR:$a, DPR:$b),
IIC_fpCMP64, "vcmpe", ".f64\t$a, $b",
[(arm_cmpfp DPR:$a, (f64 DPR:$b))]>;
def VCMPD : ADuI<0b11101, 0b11, 0b0100, 0b01, 0, (outs), (ins DPR:$a, DPR:$b),
IIC_fpCMP64, "vcmp", ".f64\t$a, $b",
[/* For disassembly only; pattern left blank */]>;
def VCMPES : ASuI<0b11101, 0b11, 0b0100, 0b11, 0, (outs), (ins SPR:$a, SPR:$b),
IIC_fpCMP32, "vcmpe", ".f32\t$a, $b",
[(arm_cmpfp SPR:$a, SPR:$b)]>;
def VCMPS : ASuI<0b11101, 0b11, 0b0100, 0b01, 0, (outs), (ins SPR:$a, SPR:$b),
IIC_fpCMP32, "vcmp", ".f32\t$a, $b",
[/* For disassembly only; pattern left blank */]>;
}
def VDIVD : ADbI<0b11101, 0b00, 0, 0, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
IIC_fpDIV64, "vdiv", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fdiv DPR:$a, (f64 DPR:$b)))]>;
def VDIVS : ASbI<0b11101, 0b00, 0, 0, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
IIC_fpDIV32, "vdiv", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fdiv SPR:$a, SPR:$b))]>;
def VMULD : ADbI<0b11100, 0b10, 0, 0, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
IIC_fpMUL64, "vmul", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fmul DPR:$a, (f64 DPR:$b)))]>;
def VMULS : ASbIn<0b11100, 0b10, 0, 0, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
IIC_fpMUL32, "vmul", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fmul SPR:$a, SPR:$b))]>;
def VNMULD : ADbI<0b11100, 0b10, 1, 0, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
IIC_fpMUL64, "vnmul", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fneg (fmul DPR:$a, (f64 DPR:$b))))]>;
def VNMULS : ASbI<0b11100, 0b10, 1, 0, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
IIC_fpMUL32, "vnmul", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fneg (fmul SPR:$a, SPR:$b)))]>;
// Match reassociated forms only if not sign dependent rounding.
def : Pat<(fmul (fneg DPR:$a), (f64 DPR:$b)),
(VNMULD DPR:$a, DPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
def : Pat<(fmul (fneg SPR:$a), SPR:$b),
(VNMULS SPR:$a, SPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
def VSUBD : ADbI<0b11100, 0b11, 1, 0, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
IIC_fpALU64, "vsub", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fsub DPR:$a, (f64 DPR:$b)))]>;
def VSUBS : ASbIn<0b11100, 0b11, 1, 0, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
IIC_fpALU32, "vsub", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fsub SPR:$a, SPR:$b))]>;
//===----------------------------------------------------------------------===//
// FP Unary Operations.
//
def VABSD : ADuI<0b11101, 0b11, 0b0000, 0b11, 0, (outs DPR:$dst), (ins DPR:$a),
IIC_fpUNA64, "vabs", ".f64\t$dst, $a",
[(set DPR:$dst, (fabs (f64 DPR:$a)))]>;
def VABSS : ASuIn<0b11101, 0b11, 0b0000, 0b11, 0,(outs SPR:$dst), (ins SPR:$a),
IIC_fpUNA32, "vabs", ".f32\t$dst, $a",
[(set SPR:$dst, (fabs SPR:$a))]>;
let Defs = [FPSCR] in {
def VCMPEZD : ADuI<0b11101, 0b11, 0b0101, 0b11, 0, (outs), (ins DPR:$a),
IIC_fpCMP64, "vcmpe", ".f64\t$a, #0",
[(arm_cmpfp0 (f64 DPR:$a))]>;
def VCMPZD : ADuI<0b11101, 0b11, 0b0101, 0b01, 0, (outs), (ins DPR:$a),
IIC_fpCMP64, "vcmp", ".f64\t$a, #0",
[/* For disassembly only; pattern left blank */]>;
def VCMPEZS : ASuI<0b11101, 0b11, 0b0101, 0b11, 0, (outs), (ins SPR:$a),
IIC_fpCMP32, "vcmpe", ".f32\t$a, #0",
[(arm_cmpfp0 SPR:$a)]>;
def VCMPZS : ASuI<0b11101, 0b11, 0b0101, 0b01, 0, (outs), (ins SPR:$a),
IIC_fpCMP32, "vcmp", ".f32\t$a, #0",
[/* For disassembly only; pattern left blank */]>;
}
def VCVTDS : ASuI<0b11101, 0b11, 0b0111, 0b11, 0, (outs DPR:$dst), (ins SPR:$a),
IIC_fpCVTDS, "vcvt", ".f64.f32\t$dst, $a",
[(set DPR:$dst, (fextend SPR:$a))]>;
// Special case encoding: bits 11-8 is 0b1011.
def VCVTSD : VFPAI<(outs SPR:$dst), (ins DPR:$a), VFPUnaryFrm,
IIC_fpCVTSD, "vcvt", ".f32.f64\t$dst, $a",
[(set SPR:$dst, (fround DPR:$a))]> {
let Inst{27-23} = 0b11101;
let Inst{21-16} = 0b110111;
let Inst{11-8} = 0b1011;
let Inst{7-6} = 0b11;
let Inst{4} = 0;
}
// Between half-precision and single-precision. For disassembly only.
def VCVTBSH: ASuI<0b11101, 0b11, 0b0010, 0b01, 0, (outs SPR:$dst), (ins SPR:$a),
/* FIXME */ IIC_fpCVTSH, "vcvtb", ".f32.f16\t$dst, $a",
[/* For disassembly only; pattern left blank */]>;
def : ARMPat<(f32_to_f16 SPR:$a),
(i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
def VCVTBHS: ASuI<0b11101, 0b11, 0b0011, 0b01, 0, (outs SPR:$dst), (ins SPR:$a),
/* FIXME */ IIC_fpCVTHS, "vcvtb", ".f16.f32\t$dst, $a",
[/* For disassembly only; pattern left blank */]>;
def : ARMPat<(f16_to_f32 GPR:$a),
(VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
def VCVTTSH: ASuI<0b11101, 0b11, 0b0010, 0b11, 0, (outs SPR:$dst), (ins SPR:$a),
/* FIXME */ IIC_fpCVTSH, "vcvtt", ".f32.f16\t$dst, $a",
[/* For disassembly only; pattern left blank */]>;
def VCVTTHS: ASuI<0b11101, 0b11, 0b0011, 0b11, 0, (outs SPR:$dst), (ins SPR:$a),
/* FIXME */ IIC_fpCVTHS, "vcvtt", ".f16.f32\t$dst, $a",
[/* For disassembly only; pattern left blank */]>;
let neverHasSideEffects = 1 in {
def VMOVD: ADuI<0b11101, 0b11, 0b0000, 0b01, 0, (outs DPR:$dst), (ins DPR:$a),
IIC_fpUNA64, "vmov", ".f64\t$dst, $a", []>;
def VMOVS: ASuI<0b11101, 0b11, 0b0000, 0b01, 0, (outs SPR:$dst), (ins SPR:$a),
IIC_fpUNA32, "vmov", ".f32\t$dst, $a", []>;
} // neverHasSideEffects
def VNEGD : ADuI<0b11101, 0b11, 0b0001, 0b01, 0, (outs DPR:$dst), (ins DPR:$a),
IIC_fpUNA64, "vneg", ".f64\t$dst, $a",
[(set DPR:$dst, (fneg (f64 DPR:$a)))]>;
def VNEGS : ASuIn<0b11101, 0b11, 0b0001, 0b01, 0,(outs SPR:$dst), (ins SPR:$a),
IIC_fpUNA32, "vneg", ".f32\t$dst, $a",
[(set SPR:$dst, (fneg SPR:$a))]>;
def VSQRTD : ADuI<0b11101, 0b11, 0b0001, 0b11, 0, (outs DPR:$dst), (ins DPR:$a),
IIC_fpSQRT64, "vsqrt", ".f64\t$dst, $a",
[(set DPR:$dst, (fsqrt (f64 DPR:$a)))]>;
def VSQRTS : ASuI<0b11101, 0b11, 0b0001, 0b11, 0, (outs SPR:$dst), (ins SPR:$a),
IIC_fpSQRT32, "vsqrt", ".f32\t$dst, $a",
[(set SPR:$dst, (fsqrt SPR:$a))]>;
//===----------------------------------------------------------------------===//
// FP <-> GPR Copies. Int <-> FP Conversions.
//
def VMOVRS : AVConv2I<0b11100001, 0b1010, (outs GPR:$dst), (ins SPR:$src),
IIC_fpMOVSI, "vmov", "\t$dst, $src",
[(set GPR:$dst, (bitconvert SPR:$src))]>;
def VMOVSR : AVConv4I<0b11100000, 0b1010, (outs SPR:$dst), (ins GPR:$src),
IIC_fpMOVIS, "vmov", "\t$dst, $src",
[(set SPR:$dst, (bitconvert GPR:$src))]>;
let neverHasSideEffects = 1 in {
def VMOVRRD : AVConv3I<0b11000101, 0b1011,
(outs GPR:$wb, GPR:$dst2), (ins DPR:$src),
IIC_fpMOVDI, "vmov", "\t$wb, $dst2, $src",
[/* FIXME: Can't write pattern for multiple result instr*/]> {
let Inst{7-6} = 0b00;
}
def VMOVRRS : AVConv3I<0b11000101, 0b1010,
(outs GPR:$wb, GPR:$dst2), (ins SPR:$src1, SPR:$src2),
IIC_fpMOVDI, "vmov", "\t$wb, $dst2, $src1, $src2",
[/* For disassembly only; pattern left blank */]> {
let Inst{7-6} = 0b00;
}
} // neverHasSideEffects
// FMDHR: GPR -> SPR
// FMDLR: GPR -> SPR
def VMOVDRR : AVConv5I<0b11000100, 0b1011,
(outs DPR:$dst), (ins GPR:$src1, GPR:$src2),
IIC_fpMOVID, "vmov", "\t$dst, $src1, $src2",
[(set DPR:$dst, (arm_fmdrr GPR:$src1, GPR:$src2))]> {
let Inst{7-6} = 0b00;
}
let neverHasSideEffects = 1 in
def VMOVSRR : AVConv5I<0b11000100, 0b1010,
(outs SPR:$dst1, SPR:$dst2), (ins GPR:$src1, GPR:$src2),
IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2",
[/* For disassembly only; pattern left blank */]> {
let Inst{7-6} = 0b00;
}
// FMRDH: SPR -> GPR
// FMRDL: SPR -> GPR
// FMRRS: SPR -> GPR
// FMRX : SPR system reg -> GPR
// FMSRR: GPR -> SPR
// FMXR: GPR -> VFP Sstem reg
// Int to FP:
def VSITOD : AVConv1I<0b11101, 0b11, 0b1000, 0b1011,
(outs DPR:$dst), (ins SPR:$a),
IIC_fpCVTID, "vcvt", ".f64.s32\t$dst, $a",
[(set DPR:$dst, (f64 (arm_sitof SPR:$a)))]> {
let Inst{7} = 1; // s32
}
def VSITOS : AVConv1In<0b11101, 0b11, 0b1000, 0b1010,
(outs SPR:$dst),(ins SPR:$a),
IIC_fpCVTIS, "vcvt", ".f32.s32\t$dst, $a",
[(set SPR:$dst, (arm_sitof SPR:$a))]> {
let Inst{7} = 1; // s32
}
def VUITOD : AVConv1I<0b11101, 0b11, 0b1000, 0b1011,
(outs DPR:$dst), (ins SPR:$a),
IIC_fpCVTID, "vcvt", ".f64.u32\t$dst, $a",
[(set DPR:$dst, (f64 (arm_uitof SPR:$a)))]> {
let Inst{7} = 0; // u32
}
def VUITOS : AVConv1In<0b11101, 0b11, 0b1000, 0b1010,
(outs SPR:$dst), (ins SPR:$a),
IIC_fpCVTIS, "vcvt", ".f32.u32\t$dst, $a",
[(set SPR:$dst, (arm_uitof SPR:$a))]> {
let Inst{7} = 0; // u32
}
// FP to Int:
// Always set Z bit in the instruction, i.e. "round towards zero" variants.
def VTOSIZD : AVConv1I<0b11101, 0b11, 0b1101, 0b1011,
(outs SPR:$dst), (ins DPR:$a),
IIC_fpCVTDI, "vcvt", ".s32.f64\t$dst, $a",
[(set SPR:$dst, (arm_ftosi (f64 DPR:$a)))]> {
let Inst{7} = 1; // Z bit
}
def VTOSIZS : AVConv1In<0b11101, 0b11, 0b1101, 0b1010,
(outs SPR:$dst), (ins SPR:$a),
IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a",
[(set SPR:$dst, (arm_ftosi SPR:$a))]> {
let Inst{7} = 1; // Z bit
}
def VTOUIZD : AVConv1I<0b11101, 0b11, 0b1100, 0b1011,
(outs SPR:$dst), (ins DPR:$a),
IIC_fpCVTDI, "vcvt", ".u32.f64\t$dst, $a",
[(set SPR:$dst, (arm_ftoui (f64 DPR:$a)))]> {
let Inst{7} = 1; // Z bit
}
def VTOUIZS : AVConv1In<0b11101, 0b11, 0b1100, 0b1010,
(outs SPR:$dst), (ins SPR:$a),
IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a",
[(set SPR:$dst, (arm_ftoui SPR:$a))]> {
let Inst{7} = 1; // Z bit
}
// And the Z bit '0' variants, i.e. use the rounding mode specified by FPSCR.
// For disassembly only.
let Uses = [FPSCR] in {
def VTOSIRD : AVConv1I<0b11101, 0b11, 0b1101, 0b1011,
(outs SPR:$dst), (ins DPR:$a),
IIC_fpCVTDI, "vcvtr", ".s32.f64\t$dst, $a",
[(set SPR:$dst, (int_arm_vcvtr (f64 DPR:$a)))]> {
let Inst{7} = 0; // Z bit
}
def VTOSIRS : AVConv1In<0b11101, 0b11, 0b1101, 0b1010,
(outs SPR:$dst), (ins SPR:$a),
IIC_fpCVTSI, "vcvtr", ".s32.f32\t$dst, $a",
[(set SPR:$dst, (int_arm_vcvtr SPR:$a))]> {
let Inst{7} = 0; // Z bit
}
def VTOUIRD : AVConv1I<0b11101, 0b11, 0b1100, 0b1011,
(outs SPR:$dst), (ins DPR:$a),
IIC_fpCVTDI, "vcvtr", ".u32.f64\t$dst, $a",
[(set SPR:$dst, (int_arm_vcvtru (f64 DPR:$a)))]> {
let Inst{7} = 0; // Z bit
}
def VTOUIRS : AVConv1In<0b11101, 0b11, 0b1100, 0b1010,
(outs SPR:$dst), (ins SPR:$a),
IIC_fpCVTSI, "vcvtr", ".u32.f32\t$dst, $a",
[(set SPR:$dst, (int_arm_vcvtru SPR:$a))]> {
let Inst{7} = 0; // Z bit
}
}
// Convert between floating-point and fixed-point
// Data type for fixed-point naming convention:
// S16 (U=0, sx=0) -> SH
// U16 (U=1, sx=0) -> UH
// S32 (U=0, sx=1) -> SL
// U32 (U=1, sx=1) -> UL
let Constraints = "$a = $dst" in {
// FP to Fixed-Point:
let isCodeGenOnly = 1 in {
def VTOSHS : AVConv1XI<0b11101, 0b11, 0b1110, 0b1010, 0,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTSI, "vcvt", ".s16.f32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VTOUHS : AVConv1XI<0b11101, 0b11, 0b1111, 0b1010, 0,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VTOSLS : AVConv1XI<0b11101, 0b11, 0b1110, 0b1010, 1,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VTOULS : AVConv1XI<0b11101, 0b11, 0b1111, 0b1010, 1,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VTOSHD : AVConv1XI<0b11101, 0b11, 0b1110, 0b1011, 0,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTDI, "vcvt", ".s16.f64\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VTOUHD : AVConv1XI<0b11101, 0b11, 0b1111, 0b1011, 0,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTDI, "vcvt", ".u16.f64\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VTOSLD : AVConv1XI<0b11101, 0b11, 0b1110, 0b1011, 1,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTDI, "vcvt", ".s32.f64\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VTOULD : AVConv1XI<0b11101, 0b11, 0b1111, 0b1011, 1,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTDI, "vcvt", ".u32.f64\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
}
// Fixed-Point to FP:
let isCodeGenOnly = 1 in {
def VSHTOS : AVConv1XI<0b11101, 0b11, 0b1010, 0b1010, 0,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTIS, "vcvt", ".f32.s16\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VUHTOS : AVConv1XI<0b11101, 0b11, 0b1011, 0b1010, 0,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTIS, "vcvt", ".f32.u16\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VSLTOS : AVConv1XI<0b11101, 0b11, 0b1010, 0b1010, 1,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTIS, "vcvt", ".f32.s32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VULTOS : AVConv1XI<0b11101, 0b11, 0b1011, 0b1010, 1,
(outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
IIC_fpCVTIS, "vcvt", ".f32.u32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VSHTOD : AVConv1XI<0b11101, 0b11, 0b1010, 0b1011, 0,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTID, "vcvt", ".f64.s16\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VUHTOD : AVConv1XI<0b11101, 0b11, 0b1011, 0b1011, 0,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTID, "vcvt", ".f64.u16\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VSLTOD : AVConv1XI<0b11101, 0b11, 0b1010, 0b1011, 1,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTID, "vcvt", ".f64.s32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
def VULTOD : AVConv1XI<0b11101, 0b11, 0b1011, 0b1011, 1,
(outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
IIC_fpCVTID, "vcvt", ".f64.u32\t$dst, $a, $fbits",
[/* For disassembly only; pattern left blank */]>;
}
} // End of 'let Constraints = "$src = $dst" in'
//===----------------------------------------------------------------------===//
// FP FMA Operations.
//
def VMLAD : ADbI_vmlX<0b11100, 0b00, 0, 0,
(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
IIC_fpMAC64, "vmla", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fadd (fmul DPR:$a, DPR:$b),
(f64 DPR:$dstin)))]>,
RegConstraint<"$dstin = $dst">;
def VMLAS : ASbIn<0b11100, 0b00, 0, 0,
(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
IIC_fpMAC32, "vmla", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fadd (fmul SPR:$a, SPR:$b), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
def VNMLSD : ADbI_vmlX<0b11100, 0b01, 0, 0,
(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
IIC_fpMAC64, "vnmls", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fsub (fmul DPR:$a, DPR:$b),
(f64 DPR:$dstin)))]>,
RegConstraint<"$dstin = $dst">;
def VNMLSS : ASbI<0b11100, 0b01, 0, 0,
(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
IIC_fpMAC32, "vnmls", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fsub (fmul SPR:$a, SPR:$b), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
def VMLSD : ADbI_vmlX<0b11100, 0b00, 1, 0,
(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
IIC_fpMAC64, "vmls", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fadd (fneg (fmul DPR:$a, DPR:$b)),
(f64 DPR:$dstin)))]>,
RegConstraint<"$dstin = $dst">;
def VMLSS : ASbIn<0b11100, 0b00, 1, 0,
(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
IIC_fpMAC32, "vmls", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fadd (fneg (fmul SPR:$a, SPR:$b)), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
def : Pat<(fsub DPR:$dstin, (fmul DPR:$a, (f64 DPR:$b))),
(VMLSD DPR:$dstin, DPR:$a, DPR:$b)>, Requires<[DontUseNEONForFP]>;
def : Pat<(fsub SPR:$dstin, (fmul SPR:$a, SPR:$b)),
(VMLSS SPR:$dstin, SPR:$a, SPR:$b)>, Requires<[DontUseNEONForFP]>;
def VNMLAD : ADbI_vmlX<0b11100, 0b01, 1, 0,
(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
IIC_fpMAC64, "vnmla", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fsub (fneg (fmul DPR:$a, DPR:$b)),
(f64 DPR:$dstin)))]>,
RegConstraint<"$dstin = $dst">;
def VNMLAS : ASbI<0b11100, 0b01, 1, 0,
(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
IIC_fpMAC32, "vnmla", ".f32\t$dst, $a, $b",
[(set SPR:$dst, (fsub (fneg (fmul SPR:$a, SPR:$b)), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
//===----------------------------------------------------------------------===//
// FP Conditional moves.
//
let neverHasSideEffects = 1 in {
def VMOVDcc : ADuI<0b11101, 0b11, 0b0000, 0b01, 0,
(outs DPR:$dst), (ins DPR:$false, DPR:$true),
IIC_fpUNA64, "vmov", ".f64\t$dst, $true",
[/*(set DPR:$dst, (ARMcmov DPR:$false, DPR:$true, imm:$cc))*/]>,
RegConstraint<"$false = $dst">;
def VMOVScc : ASuI<0b11101, 0b11, 0b0000, 0b01, 0,
(outs SPR:$dst), (ins SPR:$false, SPR:$true),
IIC_fpUNA32, "vmov", ".f32\t$dst, $true",
[/*(set SPR:$dst, (ARMcmov SPR:$false, SPR:$true, imm:$cc))*/]>,
RegConstraint<"$false = $dst">;
def VNEGDcc : ADuI<0b11101, 0b11, 0b0001, 0b01, 0,
(outs DPR:$dst), (ins DPR:$false, DPR:$true),
IIC_fpUNA64, "vneg", ".f64\t$dst, $true",
[/*(set DPR:$dst, (ARMcneg DPR:$false, DPR:$true, imm:$cc))*/]>,
RegConstraint<"$false = $dst">;
def VNEGScc : ASuI<0b11101, 0b11, 0b0001, 0b01, 0,
(outs SPR:$dst), (ins SPR:$false, SPR:$true),
IIC_fpUNA32, "vneg", ".f32\t$dst, $true",
[/*(set SPR:$dst, (ARMcneg SPR:$false, SPR:$true, imm:$cc))*/]>,
RegConstraint<"$false = $dst">;
} // neverHasSideEffects
//===----------------------------------------------------------------------===//
// Misc.
//
// APSR is the application level alias of CPSR. This FPSCR N, Z, C, V flags
// to APSR.
let Defs = [CPSR], Uses = [FPSCR] in
def FMSTAT : VFPAI<(outs), (ins), VFPMiscFrm, IIC_fpSTAT, "vmrs",
"\tapsr_nzcv, fpscr",
[(arm_fmstat)]> {
let Inst{27-20} = 0b11101111;
let Inst{19-16} = 0b0001;
let Inst{15-12} = 0b1111;
let Inst{11-8} = 0b1010;
let Inst{7} = 0;
let Inst{4} = 1;
}
// FPSCR <-> GPR (for disassembly only)
let hasSideEffects = 1, Uses = [FPSCR] in
def VMRS : VFPAI<(outs GPR:$dst), (ins), VFPMiscFrm, IIC_fpSTAT,
"vmrs", "\t$dst, fpscr",
[(set GPR:$dst, (int_arm_get_fpscr))]> {
let Inst{27-20} = 0b11101111;
let Inst{19-16} = 0b0001;
let Inst{11-8} = 0b1010;
let Inst{7} = 0;
let Inst{4} = 1;
}
let Defs = [FPSCR] in
def VMSR : VFPAI<(outs), (ins GPR:$src), VFPMiscFrm, IIC_fpSTAT,
"vmsr", "\tfpscr, $src",
[(int_arm_set_fpscr GPR:$src)]> {
let Inst{27-20} = 0b11101110;
let Inst{19-16} = 0b0001;
let Inst{11-8} = 0b1010;
let Inst{7} = 0;
let Inst{4} = 1;
}
// Materialize FP immediates. VFP3 only.
let isReMaterializable = 1 in {
def FCONSTD : VFPAI<(outs DPR:$dst), (ins vfp_f64imm:$imm),
VFPMiscFrm, IIC_fpUNA64,
"vmov", ".f64\t$dst, $imm",
[(set DPR:$dst, vfp_f64imm:$imm)]>, Requires<[HasVFP3]> {
let Inst{27-23} = 0b11101;
let Inst{21-20} = 0b11;
let Inst{11-9} = 0b101;
let Inst{8} = 1;
let Inst{7-4} = 0b0000;
}
def FCONSTS : VFPAI<(outs SPR:$dst), (ins vfp_f32imm:$imm),
VFPMiscFrm, IIC_fpUNA32,
"vmov", ".f32\t$dst, $imm",
[(set SPR:$dst, vfp_f32imm:$imm)]>, Requires<[HasVFP3]> {
let Inst{27-23} = 0b11101;
let Inst{21-20} = 0b11;
let Inst{11-9} = 0b101;
let Inst{8} = 0;
let Inst{7-4} = 0b0000;
}
}
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