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1803 lines
55 KiB
TableGen
1803 lines
55 KiB
TableGen
//===-- R600Instructions.td - R600 Instruction defs -------*- tablegen -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// TableGen definitions for instructions which are available on R600 family
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// GPUs.
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//
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//===----------------------------------------------------------------------===//
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include "R600InstrFormats.td"
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// FIXME: Should not be arbitrarily split from other R600 inst classes.
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class R600WrapperInst <dag outs, dag ins, string asm = "", list<dag> pattern = []> :
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AMDGPUInst<outs, ins, asm, pattern>, PredicateControl {
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let SubtargetPredicate = isR600toCayman;
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let Namespace = "R600";
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}
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class InstR600ISA <dag outs, dag ins, string asm, list<dag> pattern = []> :
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InstR600 <outs, ins, asm, pattern, NullALU> {
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}
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def MEMxi : Operand<iPTR> {
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let MIOperandInfo = (ops R600_TReg32_X:$ptr, i32imm:$index);
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let PrintMethod = "printMemOperand";
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}
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def MEMrr : Operand<iPTR> {
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let MIOperandInfo = (ops R600_Reg32:$ptr, R600_Reg32:$index);
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}
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// Operands for non-registers
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class InstFlag<string PM = "printOperand", int Default = 0>
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: OperandWithDefaultOps <i32, (ops (i32 Default))> {
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let PrintMethod = PM;
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}
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// src_sel for ALU src operands, see also ALU_CONST, ALU_PARAM registers
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def SEL : OperandWithDefaultOps <i32, (ops (i32 -1))>;
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def BANK_SWIZZLE : OperandWithDefaultOps <i32, (ops (i32 0))> {
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let PrintMethod = "printBankSwizzle";
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}
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def LITERAL : InstFlag<"printLiteral">;
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def WRITE : InstFlag <"printWrite", 1>;
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def OMOD : InstFlag <"printOMOD">;
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def REL : InstFlag <"printRel">;
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def CLAMP : InstFlag <"printClamp">;
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def NEG : InstFlag <"printNeg">;
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def ABS : InstFlag <"printAbs">;
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def UEM : InstFlag <"printUpdateExecMask">;
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def UP : InstFlag <"printUpdatePred">;
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// XXX: The r600g finalizer in Mesa expects last to be one in most cases.
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// Once we start using the packetizer in this backend we should have this
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// default to 0.
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def LAST : InstFlag<"printLast", 1>;
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def RSel : Operand<i32> {
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let PrintMethod = "printRSel";
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}
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def CT: Operand<i32> {
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let PrintMethod = "printCT";
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}
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def FRAMEri : Operand<iPTR> {
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let MIOperandInfo = (ops R600_Reg32:$ptr, i32imm:$index);
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}
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def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
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def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
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def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;
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def ADDRGA_CONST_OFFSET : ComplexPattern<i32, 1, "SelectGlobalValueConstantOffset", [], []>;
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def ADDRGA_VAR_OFFSET : ComplexPattern<i32, 2, "SelectGlobalValueVariableOffset", [], []>;
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def ADDRIndirect : ComplexPattern<iPTR, 2, "SelectADDRIndirect", [], []>;
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def R600_Pred : PredicateOperand<i32, (ops R600_Predicate),
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(ops PRED_SEL_OFF)>;
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let isTerminator = 1, isReturn = 1, hasCtrlDep = 1,
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usesCustomInserter = 1, Namespace = "R600" in {
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def RETURN : ILFormat<(outs), (ins variable_ops),
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"RETURN", [(AMDGPUendpgm)]
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>;
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}
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let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
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// Class for instructions with only one source register.
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// If you add new ins to this instruction, make sure they are listed before
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// $literal, because the backend currently assumes that the last operand is
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// a literal. Also be sure to update the enum R600Op1OperandIndex::ROI in
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// R600Defines.h, R600InstrInfo::buildDefaultInstruction(),
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// and R600InstrInfo::getOperandIdx().
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class R600_1OP <bits<11> inst, string opName, list<dag> pattern,
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InstrItinClass itin = AnyALU> :
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InstR600 <(outs R600_Reg32:$dst),
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(ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
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R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
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LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal,
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BANK_SWIZZLE:$bank_swizzle),
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!strconcat(" ", opName,
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"$clamp $last $dst$write$dst_rel$omod, "
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"$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
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"$pred_sel $bank_swizzle"),
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pattern,
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itin>,
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R600ALU_Word0,
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R600ALU_Word1_OP2 <inst> {
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let src1 = 0;
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let src1_rel = 0;
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let src1_neg = 0;
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let src1_abs = 0;
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let update_exec_mask = 0;
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let update_pred = 0;
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let HasNativeOperands = 1;
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let Op1 = 1;
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let ALUInst = 1;
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let DisableEncoding = "$literal";
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let UseNamedOperandTable = 1;
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let Inst{31-0} = Word0;
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let Inst{63-32} = Word1;
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}
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class R600_1OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
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InstrItinClass itin = AnyALU> :
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R600_1OP <inst, opName,
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[(set R600_Reg32:$dst, (node R600_Reg32:$src0))], itin
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>;
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// If you add or change the operands for R600_2OP instructions, you must
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// also update the R600Op2OperandIndex::ROI enum in R600Defines.h,
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// R600InstrInfo::buildDefaultInstruction(), and R600InstrInfo::getOperandIdx().
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class R600_2OP <bits<11> inst, string opName, list<dag> pattern,
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InstrItinClass itin = AnyALU> :
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InstR600 <(outs R600_Reg32:$dst),
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(ins UEM:$update_exec_mask, UP:$update_pred, WRITE:$write,
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OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
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R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs, SEL:$src0_sel,
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R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, ABS:$src1_abs, SEL:$src1_sel,
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LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal,
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BANK_SWIZZLE:$bank_swizzle),
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!strconcat(" ", opName,
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"$clamp $last $update_exec_mask$update_pred$dst$write$dst_rel$omod, "
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"$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
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"$src1_neg$src1_abs$src1$src1_abs$src1_rel, "
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"$pred_sel $bank_swizzle"),
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pattern,
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itin>,
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R600ALU_Word0,
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R600ALU_Word1_OP2 <inst> {
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let HasNativeOperands = 1;
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let Op2 = 1;
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let ALUInst = 1;
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let DisableEncoding = "$literal";
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let UseNamedOperandTable = 1;
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let Inst{31-0} = Word0;
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let Inst{63-32} = Word1;
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}
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class R600_2OP_Helper <bits<11> inst, string opName,
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SDPatternOperator node = null_frag,
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InstrItinClass itin = AnyALU> :
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R600_2OP <inst, opName,
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[(set R600_Reg32:$dst, (node R600_Reg32:$src0,
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R600_Reg32:$src1))], itin
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>;
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// If you add our change the operands for R600_3OP instructions, you must
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// also update the R600Op3OperandIndex::ROI enum in R600Defines.h,
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// R600InstrInfo::buildDefaultInstruction(), and
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// R600InstrInfo::getOperandIdx().
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class R600_3OP <bits<5> inst, string opName, list<dag> pattern,
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InstrItinClass itin = AnyALU> :
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InstR600 <(outs R600_Reg32:$dst),
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(ins REL:$dst_rel, CLAMP:$clamp,
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R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, SEL:$src0_sel,
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R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, SEL:$src1_sel,
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R600_Reg32:$src2, NEG:$src2_neg, REL:$src2_rel, SEL:$src2_sel,
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LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal,
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BANK_SWIZZLE:$bank_swizzle),
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!strconcat(" ", opName, "$clamp $last $dst$dst_rel, "
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"$src0_neg$src0$src0_rel, "
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"$src1_neg$src1$src1_rel, "
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"$src2_neg$src2$src2_rel, "
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"$pred_sel"
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"$bank_swizzle"),
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pattern,
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itin>,
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R600ALU_Word0,
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R600ALU_Word1_OP3<inst>{
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let HasNativeOperands = 1;
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let DisableEncoding = "$literal";
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let Op3 = 1;
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let UseNamedOperandTable = 1;
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let ALUInst = 1;
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let Inst{31-0} = Word0;
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let Inst{63-32} = Word1;
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}
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class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
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InstrItinClass itin = VecALU> :
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InstR600 <(outs R600_Reg32:$dst),
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ins,
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asm,
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pattern,
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itin>;
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} // End mayLoad = 1, mayStore = 0, hasSideEffects = 0
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class EG_CF_RAT <bits <8> cfinst, bits <6> ratinst, bits<4> ratid, bits<4> mask,
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dag outs, dag ins, string asm, list<dag> pattern> :
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InstR600ISA <outs, ins, asm, pattern>,
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CF_ALLOC_EXPORT_WORD0_RAT, CF_ALLOC_EXPORT_WORD1_BUF {
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let rat_id = ratid;
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let rat_inst = ratinst;
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let rim = 0;
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// XXX: Have a separate instruction for non-indexed writes.
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let type = 1;
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let rw_rel = 0;
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let elem_size = 0;
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let array_size = 0;
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let comp_mask = mask;
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let burst_count = 0;
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let vpm = 0;
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let cf_inst = cfinst;
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let mark = 0;
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let barrier = 1;
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let Inst{31-0} = Word0;
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let Inst{63-32} = Word1;
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let IsExport = 1;
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}
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class VTX_READ <string name, dag outs, list<dag> pattern>
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: InstR600ISA <outs, (ins MEMxi:$src_gpr, i8imm:$buffer_id), !strconcat(" ", name, ", #$buffer_id"), pattern>,
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VTX_WORD1_GPR {
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// Static fields
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let DST_REL = 0;
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// The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
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// FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
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// however, based on my testing if USE_CONST_FIELDS is set, then all
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// these fields need to be set to 0.
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let USE_CONST_FIELDS = 0;
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let NUM_FORMAT_ALL = 1;
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let FORMAT_COMP_ALL = 0;
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let SRF_MODE_ALL = 0;
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let Inst{63-32} = Word1;
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// LLVM can only encode 64-bit instructions, so these fields are manually
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// encoded in R600CodeEmitter
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//
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// bits<16> OFFSET;
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// bits<2> ENDIAN_SWAP = 0;
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// bits<1> CONST_BUF_NO_STRIDE = 0;
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// bits<1> MEGA_FETCH = 0;
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// bits<1> ALT_CONST = 0;
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// bits<2> BUFFER_INDEX_MODE = 0;
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// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
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// is done in R600CodeEmitter
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//
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// Inst{79-64} = OFFSET;
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// Inst{81-80} = ENDIAN_SWAP;
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// Inst{82} = CONST_BUF_NO_STRIDE;
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// Inst{83} = MEGA_FETCH;
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// Inst{84} = ALT_CONST;
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// Inst{86-85} = BUFFER_INDEX_MODE;
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// Inst{95-86} = 0; Reserved
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// VTX_WORD3 (Padding)
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//
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// Inst{127-96} = 0;
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let VTXInst = 1;
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}
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// Legacy.
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def atomic_cmp_swap_global_noret : PatFrag<
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(ops node:$ptr, node:$cmp, node:$value),
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(atomic_cmp_swap node:$ptr, node:$cmp, node:$value),
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[{return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS && (SDValue(N, 0).use_empty());}]>;
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def atomic_cmp_swap_global_ret : PatFrag<
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(ops node:$ptr, node:$cmp, node:$value),
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(atomic_cmp_swap node:$ptr, node:$cmp, node:$value),
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[{return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS && (!SDValue(N, 0).use_empty());}]>;
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def mskor_global : PatFrag<(ops node:$val, node:$ptr),
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(AMDGPUstore_mskor node:$val, node:$ptr), [{
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return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS;
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}]>;
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// FIXME: These are deprecated
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class AZExtLoadBase <SDPatternOperator ld_node>: PatFrag<(ops node:$ptr),
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(ld_node node:$ptr), [{
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LoadSDNode *L = cast<LoadSDNode>(N);
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return L->getExtensionType() == ISD::ZEXTLOAD ||
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L->getExtensionType() == ISD::EXTLOAD;
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}]>;
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def az_extload : AZExtLoadBase <unindexedload>;
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def az_extloadi8 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
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return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
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}]>;
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def az_extloadi16 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
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return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
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}]>;
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def az_extloadi32 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
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return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
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}]>;
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let AddressSpaces = LoadAddress_local.AddrSpaces in {
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def az_extloadi8_local : PatFrag<(ops node:$ptr), (az_extloadi8 node:$ptr)>;
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def az_extloadi16_local : PatFrag<(ops node:$ptr), (az_extloadi16 node:$ptr)>;
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}
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class LoadParamFrag <PatFrag load_type> : PatFrag <
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(ops node:$ptr), (load_type node:$ptr),
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[{ return isConstantLoad(cast<LoadSDNode>(N), 0) ||
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(cast<LoadSDNode>(N)->getAddressSpace() == AMDGPUAS::PARAM_I_ADDRESS); }]
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>;
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def vtx_id3_az_extloadi8 : LoadParamFrag<az_extloadi8>;
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def vtx_id3_az_extloadi16 : LoadParamFrag<az_extloadi16>;
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def vtx_id3_load : LoadParamFrag<load>;
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class LoadVtxId1 <PatFrag load> : PatFrag <
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(ops node:$ptr), (load node:$ptr), [{
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const MemSDNode *LD = cast<MemSDNode>(N);
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return LD->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS ||
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(LD->getAddressSpace() == AMDGPUAS::CONSTANT_ADDRESS &&
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!isa<GlobalValue>(getUnderlyingObject(
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LD->getMemOperand()->getValue())));
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}]>;
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def vtx_id1_az_extloadi8 : LoadVtxId1 <az_extloadi8>;
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def vtx_id1_az_extloadi16 : LoadVtxId1 <az_extloadi16>;
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def vtx_id1_load : LoadVtxId1 <load>;
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class LoadVtxId2 <PatFrag load> : PatFrag <
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(ops node:$ptr), (load node:$ptr), [{
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const MemSDNode *LD = cast<MemSDNode>(N);
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return LD->getAddressSpace() == AMDGPUAS::CONSTANT_ADDRESS &&
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isa<GlobalValue>(getUnderlyingObject(
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LD->getMemOperand()->getValue()));
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}]>;
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def vtx_id2_az_extloadi8 : LoadVtxId2 <az_extloadi8>;
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def vtx_id2_az_extloadi16 : LoadVtxId2 <az_extloadi16>;
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def vtx_id2_load : LoadVtxId2 <load>;
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//===----------------------------------------------------------------------===//
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// R600 SDNodes
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//===----------------------------------------------------------------------===//
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let Namespace = "R600" in {
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def INTERP_PAIR_XY : AMDGPUShaderInst <
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(outs R600_TReg32_X:$dst0, R600_TReg32_Y:$dst1),
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(ins i32imm:$src0, R600_TReg32_Y:$src1, R600_TReg32_X:$src2),
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"INTERP_PAIR_XY $src0 $src1 $src2 : $dst0 dst1",
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[]>;
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def INTERP_PAIR_ZW : AMDGPUShaderInst <
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(outs R600_TReg32_Z:$dst0, R600_TReg32_W:$dst1),
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(ins i32imm:$src0, R600_TReg32_Y:$src1, R600_TReg32_X:$src2),
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"INTERP_PAIR_ZW $src0 $src1 $src2 : $dst0 dst1",
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[]>;
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}
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def CONST_ADDRESS: SDNode<"AMDGPUISD::CONST_ADDRESS",
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SDTypeProfile<1, -1, [SDTCisInt<0>, SDTCisPtrTy<1>]>,
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[SDNPVariadic]
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>;
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def DOT4 : SDNode<"AMDGPUISD::DOT4",
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SDTypeProfile<1, 8, [SDTCisFP<0>, SDTCisVT<1, f32>, SDTCisVT<2, f32>,
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SDTCisVT<3, f32>, SDTCisVT<4, f32>, SDTCisVT<5, f32>,
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SDTCisVT<6, f32>, SDTCisVT<7, f32>, SDTCisVT<8, f32>]>,
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[]
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>;
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def COS_HW : SDNode<"AMDGPUISD::COS_HW",
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SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>
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>;
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def SIN_HW : SDNode<"AMDGPUISD::SIN_HW",
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SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>
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>;
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def TEXTURE_FETCH_Type : SDTypeProfile<1, 19, [SDTCisFP<0>]>;
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def TEXTURE_FETCH: SDNode<"AMDGPUISD::TEXTURE_FETCH", TEXTURE_FETCH_Type, []>;
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multiclass TexPattern<bits<32> TextureOp, Instruction inst, ValueType vt = v4f32> {
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def : R600Pat<(TEXTURE_FETCH (i32 TextureOp), vt:$SRC_GPR,
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(i32 imm:$srcx), (i32 imm:$srcy), (i32 imm:$srcz), (i32 imm:$srcw),
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|
(i32 imm:$offsetx), (i32 imm:$offsety), (i32 imm:$offsetz),
|
|
(i32 imm:$DST_SEL_X), (i32 imm:$DST_SEL_Y), (i32 imm:$DST_SEL_Z),
|
|
(i32 imm:$DST_SEL_W),
|
|
(i32 imm:$RESOURCE_ID), (i32 imm:$SAMPLER_ID),
|
|
(i32 imm:$COORD_TYPE_X), (i32 imm:$COORD_TYPE_Y), (i32 imm:$COORD_TYPE_Z),
|
|
(i32 imm:$COORD_TYPE_W)),
|
|
(inst R600_Reg128:$SRC_GPR,
|
|
imm:$srcx, imm:$srcy, imm:$srcz, imm:$srcw,
|
|
imm:$offsetx, imm:$offsety, imm:$offsetz,
|
|
imm:$DST_SEL_X, imm:$DST_SEL_Y, imm:$DST_SEL_Z,
|
|
imm:$DST_SEL_W,
|
|
imm:$RESOURCE_ID, imm:$SAMPLER_ID,
|
|
imm:$COORD_TYPE_X, imm:$COORD_TYPE_Y, imm:$COORD_TYPE_Z,
|
|
imm:$COORD_TYPE_W)>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Interpolation Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Namespace = "R600" in {
|
|
|
|
def INTERP_VEC_LOAD : AMDGPUShaderInst <
|
|
(outs R600_Reg128:$dst),
|
|
(ins i32imm:$src0),
|
|
"INTERP_LOAD $src0 : $dst">;
|
|
|
|
}
|
|
|
|
def INTERP_XY : R600_2OP <0xD6, "INTERP_XY", []> {
|
|
let bank_swizzle = 5;
|
|
}
|
|
|
|
def INTERP_ZW : R600_2OP <0xD7, "INTERP_ZW", []> {
|
|
let bank_swizzle = 5;
|
|
}
|
|
|
|
def INTERP_LOAD_P0 : R600_1OP <0xE0, "INTERP_LOAD_P0", []>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Export Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class ExportWord0 {
|
|
field bits<32> Word0;
|
|
|
|
bits<13> arraybase;
|
|
bits<2> type;
|
|
bits<7> gpr;
|
|
bits<2> elem_size;
|
|
|
|
let Word0{12-0} = arraybase;
|
|
let Word0{14-13} = type;
|
|
let Word0{21-15} = gpr;
|
|
let Word0{22} = 0; // RW_REL
|
|
let Word0{29-23} = 0; // INDEX_GPR
|
|
let Word0{31-30} = elem_size;
|
|
}
|
|
|
|
class ExportSwzWord1 {
|
|
field bits<32> Word1;
|
|
|
|
bits<3> sw_x;
|
|
bits<3> sw_y;
|
|
bits<3> sw_z;
|
|
bits<3> sw_w;
|
|
bits<1> eop;
|
|
bits<8> inst;
|
|
|
|
let Word1{2-0} = sw_x;
|
|
let Word1{5-3} = sw_y;
|
|
let Word1{8-6} = sw_z;
|
|
let Word1{11-9} = sw_w;
|
|
}
|
|
|
|
class ExportBufWord1 {
|
|
field bits<32> Word1;
|
|
|
|
bits<12> arraySize;
|
|
bits<4> compMask;
|
|
bits<1> eop;
|
|
bits<8> inst;
|
|
|
|
let Word1{11-0} = arraySize;
|
|
let Word1{15-12} = compMask;
|
|
}
|
|
|
|
multiclass ExportPattern<Instruction ExportInst, bits<8> cf_inst> {
|
|
def : R600Pat<(R600_EXPORT (v4f32 R600_Reg128:$src), (i32 imm:$base), (i32 imm:$type),
|
|
(i32 imm:$swz_x), (i32 imm:$swz_y), (i32 imm:$swz_z), (i32 imm:$swz_w)),
|
|
(ExportInst R600_Reg128:$src, imm:$type, imm:$base,
|
|
imm:$swz_x, imm:$swz_y, imm:$swz_z, imm:$swz_w, cf_inst, 0)
|
|
>;
|
|
|
|
}
|
|
|
|
multiclass SteamOutputExportPattern<Instruction ExportInst,
|
|
bits<8> buf0inst, bits<8> buf1inst, bits<8> buf2inst, bits<8> buf3inst> {
|
|
// Stream0
|
|
def : R600Pat<(int_r600_store_stream_output (v4f32 R600_Reg128:$src),
|
|
(i32 imm:$arraybase), (i32 0), (i32 imm:$mask)),
|
|
(ExportInst R600_Reg128:$src, 0, imm:$arraybase,
|
|
4095, imm:$mask, buf0inst, 0)>;
|
|
// Stream1
|
|
def : R600Pat<(int_r600_store_stream_output (v4f32 R600_Reg128:$src),
|
|
(i32 imm:$arraybase), (i32 1), (i32 imm:$mask)),
|
|
(ExportInst $src, 0, imm:$arraybase,
|
|
4095, imm:$mask, buf1inst, 0)>;
|
|
// Stream2
|
|
def : R600Pat<(int_r600_store_stream_output (v4f32 R600_Reg128:$src),
|
|
(i32 imm:$arraybase), (i32 2), (i32 imm:$mask)),
|
|
(ExportInst $src, 0, imm:$arraybase,
|
|
4095, imm:$mask, buf2inst, 0)>;
|
|
// Stream3
|
|
def : R600Pat<(int_r600_store_stream_output (v4f32 R600_Reg128:$src),
|
|
(i32 imm:$arraybase), (i32 3), (i32 imm:$mask)),
|
|
(ExportInst $src, 0, imm:$arraybase,
|
|
4095, imm:$mask, buf3inst, 0)>;
|
|
}
|
|
|
|
// Export Instructions should not be duplicated by TailDuplication pass
|
|
// (which assumes that duplicable instruction are affected by exec mask)
|
|
let usesCustomInserter = 1, isNotDuplicable = 1 in {
|
|
|
|
class ExportSwzInst : InstR600ISA<(
|
|
outs),
|
|
(ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
|
|
RSel:$sw_x, RSel:$sw_y, RSel:$sw_z, RSel:$sw_w, i32imm:$inst,
|
|
i32imm:$eop),
|
|
!strconcat("EXPORT", " $gpr.$sw_x$sw_y$sw_z$sw_w"),
|
|
[]>, ExportWord0, ExportSwzWord1 {
|
|
let elem_size = 3;
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
let IsExport = 1;
|
|
}
|
|
|
|
} // End usesCustomInserter = 1
|
|
|
|
class ExportBufInst : InstR600ISA<(
|
|
outs),
|
|
(ins R600_Reg128:$gpr, i32imm:$type, i32imm:$arraybase,
|
|
i32imm:$arraySize, i32imm:$compMask, i32imm:$inst, i32imm:$eop),
|
|
!strconcat("EXPORT", " $gpr"),
|
|
[]>, ExportWord0, ExportBufWord1 {
|
|
let elem_size = 0;
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
let IsExport = 1;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Control Flow Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
def KCACHE : InstFlag<"printKCache">;
|
|
|
|
class ALU_CLAUSE<bits<4> inst, string OpName> : R600WrapperInst <(outs),
|
|
(ins i32imm:$ADDR, i32imm:$KCACHE_BANK0, i32imm:$KCACHE_BANK1,
|
|
KCACHE:$KCACHE_MODE0, KCACHE:$KCACHE_MODE1,
|
|
i32imm:$KCACHE_ADDR0, i32imm:$KCACHE_ADDR1,
|
|
i32imm:$COUNT, i32imm:$Enabled),
|
|
!strconcat(OpName, " $COUNT, @$ADDR, "
|
|
"KC0[$KCACHE_MODE0], KC1[$KCACHE_MODE1]"),
|
|
[] >, CF_ALU_WORD0, CF_ALU_WORD1 {
|
|
field bits<64> Inst;
|
|
|
|
let CF_INST = inst;
|
|
let ALT_CONST = 0;
|
|
let WHOLE_QUAD_MODE = 0;
|
|
let BARRIER = 1;
|
|
let isCodeGenOnly = 1;
|
|
let UseNamedOperandTable = 1;
|
|
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
}
|
|
|
|
class CF_WORD0_R600 {
|
|
field bits<32> Word0;
|
|
|
|
bits<32> ADDR;
|
|
|
|
let Word0 = ADDR;
|
|
}
|
|
|
|
class CF_CLAUSE_R600 <bits<7> inst, dag ins, string AsmPrint> : R600WrapperInst <(outs),
|
|
ins, AsmPrint, [] >, CF_WORD0_R600, CF_WORD1_R600 {
|
|
field bits<64> Inst;
|
|
bits<4> CNT;
|
|
|
|
let CF_INST = inst;
|
|
let BARRIER = 1;
|
|
let CF_CONST = 0;
|
|
let VALID_PIXEL_MODE = 0;
|
|
let COND = 0;
|
|
let COUNT = CNT{2-0};
|
|
let CALL_COUNT = 0;
|
|
let COUNT_3 = CNT{3};
|
|
let END_OF_PROGRAM = 0;
|
|
let WHOLE_QUAD_MODE = 0;
|
|
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
}
|
|
|
|
class CF_CLAUSE_EG <bits<8> inst, dag ins, string AsmPrint> : R600WrapperInst <(outs),
|
|
ins, AsmPrint, [] >, CF_WORD0_EG, CF_WORD1_EG {
|
|
field bits<64> Inst;
|
|
|
|
let CF_INST = inst;
|
|
let BARRIER = 1;
|
|
let JUMPTABLE_SEL = 0;
|
|
let CF_CONST = 0;
|
|
let VALID_PIXEL_MODE = 0;
|
|
let COND = 0;
|
|
let END_OF_PROGRAM = 0;
|
|
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
}
|
|
|
|
def CF_ALU : ALU_CLAUSE<8, "ALU">;
|
|
def CF_ALU_PUSH_BEFORE : ALU_CLAUSE<9, "ALU_PUSH_BEFORE">;
|
|
def CF_ALU_POP_AFTER : ALU_CLAUSE<10, "ALU_POP_AFTER">;
|
|
def CF_ALU_CONTINUE : ALU_CLAUSE<13, "ALU_CONTINUE">;
|
|
def CF_ALU_BREAK : ALU_CLAUSE<14, "ALU_BREAK">;
|
|
def CF_ALU_ELSE_AFTER : ALU_CLAUSE<15, "ALU_ELSE_AFTER">;
|
|
|
|
def FETCH_CLAUSE : R600WrapperInst <(outs),
|
|
(ins i32imm:$addr), "Fetch clause starting at $addr:", [] > {
|
|
field bits<8> Inst;
|
|
bits<8> num;
|
|
let Inst = num;
|
|
let isCodeGenOnly = 1;
|
|
}
|
|
|
|
def ALU_CLAUSE : R600WrapperInst <(outs),
|
|
(ins i32imm:$addr), "ALU clause starting at $addr:", [] > {
|
|
field bits<8> Inst;
|
|
bits<8> num;
|
|
let Inst = num;
|
|
let isCodeGenOnly = 1;
|
|
}
|
|
|
|
def LITERALS : R600WrapperInst <(outs),
|
|
(ins LITERAL:$literal1, LITERAL:$literal2), "$literal1, $literal2", [] > {
|
|
let isCodeGenOnly = 1;
|
|
|
|
field bits<64> Inst;
|
|
bits<32> literal1;
|
|
bits<32> literal2;
|
|
|
|
let Inst{31-0} = literal1;
|
|
let Inst{63-32} = literal2;
|
|
}
|
|
|
|
def PAD : R600WrapperInst <(outs), (ins), "PAD", [] > {
|
|
field bits<64> Inst;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Common Instructions R600, R700, Evergreen, Cayman
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let isCodeGenOnly = 1, isPseudo = 1 in {
|
|
|
|
let Namespace = "R600", usesCustomInserter = 1 in {
|
|
|
|
class FABS <RegisterClass rc> : AMDGPUShaderInst <
|
|
(outs rc:$dst),
|
|
(ins rc:$src0),
|
|
"FABS $dst, $src0",
|
|
[(set f32:$dst, (fabs f32:$src0))]
|
|
>;
|
|
|
|
class FNEG <RegisterClass rc> : AMDGPUShaderInst <
|
|
(outs rc:$dst),
|
|
(ins rc:$src0),
|
|
"FNEG $dst, $src0",
|
|
[(set f32:$dst, (fneg f32:$src0))]
|
|
>;
|
|
|
|
} // usesCustomInserter = 1
|
|
|
|
multiclass RegisterLoadStore <RegisterClass dstClass, Operand addrClass,
|
|
ComplexPattern addrPat> {
|
|
let UseNamedOperandTable = 1 in {
|
|
|
|
def RegisterLoad : AMDGPUShaderInst <
|
|
(outs dstClass:$dst),
|
|
(ins addrClass:$addr, i32imm:$chan),
|
|
"RegisterLoad $dst, $addr",
|
|
[(set i32:$dst, (AMDGPUregister_load addrPat:$addr, (i32 timm:$chan)))]
|
|
> {
|
|
let isRegisterLoad = 1;
|
|
}
|
|
|
|
def RegisterStore : AMDGPUShaderInst <
|
|
(outs),
|
|
(ins dstClass:$val, addrClass:$addr, i32imm:$chan),
|
|
"RegisterStore $val, $addr",
|
|
[(AMDGPUregister_store i32:$val, addrPat:$addr, (i32 timm:$chan))]
|
|
> {
|
|
let isRegisterStore = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
} // End isCodeGenOnly = 1, isPseudo = 1
|
|
|
|
|
|
def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
|
|
// Non-IEEE MUL: 0 * anything = 0
|
|
def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE">;
|
|
def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
|
|
// TODO: Do these actually match the regular fmin/fmax behavior?
|
|
def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax_legacy>;
|
|
def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin_legacy>;
|
|
// According to https://msdn.microsoft.com/en-us/library/windows/desktop/cc308050%28v=vs.85%29.aspx
|
|
// DX10 min/max returns the other operand if one is NaN,
|
|
// this matches http://llvm.org/docs/LangRef.html#llvm-minnum-intrinsic
|
|
def MAX_DX10 : R600_2OP_Helper <0x5, "MAX_DX10", fmaxnum>;
|
|
def MIN_DX10 : R600_2OP_Helper <0x6, "MIN_DX10", fminnum>;
|
|
|
|
// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
|
|
// so some of the instruction names don't match the asm string.
|
|
// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
|
|
def SETE : R600_2OP <
|
|
0x08, "SETE",
|
|
[(set f32:$dst, (selectcc f32:$src0, f32:$src1, FP_ONE, FP_ZERO, COND_OEQ))]
|
|
>;
|
|
|
|
def SGT : R600_2OP <
|
|
0x09, "SETGT",
|
|
[(set f32:$dst, (selectcc f32:$src0, f32:$src1, FP_ONE, FP_ZERO, COND_OGT))]
|
|
>;
|
|
|
|
def SGE : R600_2OP <
|
|
0xA, "SETGE",
|
|
[(set f32:$dst, (selectcc f32:$src0, f32:$src1, FP_ONE, FP_ZERO, COND_OGE))]
|
|
>;
|
|
|
|
def SNE : R600_2OP <
|
|
0xB, "SETNE",
|
|
[(set f32:$dst, (selectcc f32:$src0, f32:$src1, FP_ONE, FP_ZERO, COND_UNE_NE))]
|
|
>;
|
|
|
|
def SETE_DX10 : R600_2OP <
|
|
0xC, "SETE_DX10",
|
|
[(set i32:$dst, (selectcc f32:$src0, f32:$src1, -1, 0, COND_OEQ))]
|
|
>;
|
|
|
|
def SETGT_DX10 : R600_2OP <
|
|
0xD, "SETGT_DX10",
|
|
[(set i32:$dst, (selectcc f32:$src0, f32:$src1, -1, 0, COND_OGT))]
|
|
>;
|
|
|
|
def SETGE_DX10 : R600_2OP <
|
|
0xE, "SETGE_DX10",
|
|
[(set i32:$dst, (selectcc f32:$src0, f32:$src1, -1, 0, COND_OGE))]
|
|
>;
|
|
|
|
// FIXME: This should probably be COND_ONE
|
|
def SETNE_DX10 : R600_2OP <
|
|
0xF, "SETNE_DX10",
|
|
[(set i32:$dst, (selectcc f32:$src0, f32:$src1, -1, 0, COND_UNE_NE))]
|
|
>;
|
|
|
|
// FIXME: Need combine for AMDGPUfract
|
|
def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
|
|
def TRUNC : R600_1OP_Helper <0x11, "TRUNC", ftrunc>;
|
|
def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
|
|
def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
|
|
def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;
|
|
|
|
def MOV : R600_1OP <0x19, "MOV", []>;
|
|
|
|
|
|
// This is a hack to get rid of DUMMY_CHAIN nodes.
|
|
// Most DUMMY_CHAINs should be eliminated during legalization, but undef
|
|
// values can sneak in some to selection.
|
|
let isPseudo = 1, isCodeGenOnly = 1 in {
|
|
def DUMMY_CHAIN : R600WrapperInst <
|
|
(outs),
|
|
(ins),
|
|
"DUMMY_CHAIN",
|
|
[(R600dummy_chain)]
|
|
>;
|
|
} // end let isPseudo = 1, isCodeGenOnly = 1
|
|
|
|
|
|
let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {
|
|
|
|
class MOV_IMM <ValueType vt, Operand immType> : R600WrapperInst <
|
|
(outs R600_Reg32:$dst),
|
|
(ins immType:$imm),
|
|
"",
|
|
[]
|
|
> {
|
|
let Namespace = "R600";
|
|
}
|
|
|
|
} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1
|
|
|
|
def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
|
|
def : R600Pat <
|
|
(imm:$val),
|
|
(MOV_IMM_I32 imm:$val)
|
|
>;
|
|
|
|
def MOV_IMM_GLOBAL_ADDR : MOV_IMM<iPTR, i32imm>;
|
|
def : R600Pat <
|
|
(AMDGPUconstdata_ptr tglobaladdr:$addr),
|
|
(MOV_IMM_GLOBAL_ADDR tglobaladdr:$addr)
|
|
>;
|
|
|
|
|
|
def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
|
|
def : R600Pat <
|
|
(fpimm:$val),
|
|
(MOV_IMM_F32 fpimm:$val)
|
|
>;
|
|
|
|
def PRED_SETE : R600_2OP <0x20, "PRED_SETE", []>;
|
|
def PRED_SETGT : R600_2OP <0x21, "PRED_SETGT", []>;
|
|
def PRED_SETGE : R600_2OP <0x22, "PRED_SETGE", []>;
|
|
def PRED_SETNE : R600_2OP <0x23, "PRED_SETNE", []>;
|
|
|
|
let hasSideEffects = 1 in {
|
|
|
|
def KILLGT : R600_2OP <0x2D, "KILLGT", []>;
|
|
|
|
} // end hasSideEffects
|
|
|
|
def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
|
|
def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
|
|
def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
|
|
def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
|
|
def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
|
|
def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
|
|
def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", smax>;
|
|
def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", smin>;
|
|
def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", umax>;
|
|
def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", umin>;
|
|
|
|
def SETE_INT : R600_2OP <
|
|
0x3A, "SETE_INT",
|
|
[(set i32:$dst, (selectcc i32:$src0, i32:$src1, -1, 0, SETEQ))]
|
|
>;
|
|
|
|
def SETGT_INT : R600_2OP <
|
|
0x3B, "SETGT_INT",
|
|
[(set i32:$dst, (selectcc i32:$src0, i32:$src1, -1, 0, SETGT))]
|
|
>;
|
|
|
|
def SETGE_INT : R600_2OP <
|
|
0x3C, "SETGE_INT",
|
|
[(set i32:$dst, (selectcc i32:$src0, i32:$src1, -1, 0, SETGE))]
|
|
>;
|
|
|
|
def SETNE_INT : R600_2OP <
|
|
0x3D, "SETNE_INT",
|
|
[(set i32:$dst, (selectcc i32:$src0, i32:$src1, -1, 0, SETNE))]
|
|
>;
|
|
|
|
def SETGT_UINT : R600_2OP <
|
|
0x3E, "SETGT_UINT",
|
|
[(set i32:$dst, (selectcc i32:$src0, i32:$src1, -1, 0, SETUGT))]
|
|
>;
|
|
|
|
def SETGE_UINT : R600_2OP <
|
|
0x3F, "SETGE_UINT",
|
|
[(set i32:$dst, (selectcc i32:$src0, i32:$src1, -1, 0, SETUGE))]
|
|
>;
|
|
|
|
def PRED_SETE_INT : R600_2OP <0x42, "PRED_SETE_INT", []>;
|
|
def PRED_SETGT_INT : R600_2OP <0x43, "PRED_SETGE_INT", []>;
|
|
def PRED_SETGE_INT : R600_2OP <0x44, "PRED_SETGE_INT", []>;
|
|
def PRED_SETNE_INT : R600_2OP <0x45, "PRED_SETNE_INT", []>;
|
|
|
|
def CNDE_INT : R600_3OP <
|
|
0x1C, "CNDE_INT",
|
|
[(set i32:$dst, (selectcc i32:$src0, 0, i32:$src1, i32:$src2, COND_EQ))]
|
|
>;
|
|
|
|
def CNDGE_INT : R600_3OP <
|
|
0x1E, "CNDGE_INT",
|
|
[(set i32:$dst, (selectcc i32:$src0, 0, i32:$src1, i32:$src2, COND_SGE))]
|
|
>;
|
|
|
|
def CNDGT_INT : R600_3OP <
|
|
0x1D, "CNDGT_INT",
|
|
[(set i32:$dst, (selectcc i32:$src0, 0, i32:$src1, i32:$src2, COND_SGT))]
|
|
>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Texture instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
|
|
|
|
class R600_TEX <bits<11> inst, string opName> :
|
|
InstR600 <(outs R600_Reg128:$DST_GPR),
|
|
(ins R600_Reg128:$SRC_GPR,
|
|
RSel:$srcx, RSel:$srcy, RSel:$srcz, RSel:$srcw,
|
|
i32imm:$offsetx, i32imm:$offsety, i32imm:$offsetz,
|
|
RSel:$DST_SEL_X, RSel:$DST_SEL_Y, RSel:$DST_SEL_Z, RSel:$DST_SEL_W,
|
|
i32imm:$RESOURCE_ID, i32imm:$SAMPLER_ID,
|
|
CT:$COORD_TYPE_X, CT:$COORD_TYPE_Y, CT:$COORD_TYPE_Z,
|
|
CT:$COORD_TYPE_W),
|
|
!strconcat(" ", opName,
|
|
" $DST_GPR.$DST_SEL_X$DST_SEL_Y$DST_SEL_Z$DST_SEL_W, "
|
|
"$SRC_GPR.$srcx$srcy$srcz$srcw "
|
|
"RID:$RESOURCE_ID SID:$SAMPLER_ID "
|
|
"CT:$COORD_TYPE_X$COORD_TYPE_Y$COORD_TYPE_Z$COORD_TYPE_W"),
|
|
[],
|
|
NullALU>, TEX_WORD0, TEX_WORD1, TEX_WORD2 {
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
|
|
let TEX_INST = inst{4-0};
|
|
let SRC_REL = 0;
|
|
let DST_REL = 0;
|
|
let LOD_BIAS = 0;
|
|
|
|
let INST_MOD = 0;
|
|
let FETCH_WHOLE_QUAD = 0;
|
|
let ALT_CONST = 0;
|
|
let SAMPLER_INDEX_MODE = 0;
|
|
let RESOURCE_INDEX_MODE = 0;
|
|
|
|
let TEXInst = 1;
|
|
}
|
|
|
|
} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
|
|
|
|
|
|
|
|
def TEX_SAMPLE : R600_TEX <0x10, "TEX_SAMPLE">;
|
|
def TEX_SAMPLE_C : R600_TEX <0x18, "TEX_SAMPLE_C">;
|
|
def TEX_SAMPLE_L : R600_TEX <0x11, "TEX_SAMPLE_L">;
|
|
def TEX_SAMPLE_C_L : R600_TEX <0x19, "TEX_SAMPLE_C_L">;
|
|
def TEX_SAMPLE_LB : R600_TEX <0x12, "TEX_SAMPLE_LB">;
|
|
def TEX_SAMPLE_C_LB : R600_TEX <0x1A, "TEX_SAMPLE_C_LB">;
|
|
def TEX_LD : R600_TEX <0x03, "TEX_LD">;
|
|
def TEX_LDPTR : R600_TEX <0x03, "TEX_LDPTR"> {
|
|
let INST_MOD = 1;
|
|
}
|
|
def TEX_GET_TEXTURE_RESINFO : R600_TEX <0x04, "TEX_GET_TEXTURE_RESINFO">;
|
|
def TEX_GET_GRADIENTS_H : R600_TEX <0x07, "TEX_GET_GRADIENTS_H">;
|
|
def TEX_GET_GRADIENTS_V : R600_TEX <0x08, "TEX_GET_GRADIENTS_V">;
|
|
def TEX_SET_GRADIENTS_H : R600_TEX <0x0B, "TEX_SET_GRADIENTS_H">;
|
|
def TEX_SET_GRADIENTS_V : R600_TEX <0x0C, "TEX_SET_GRADIENTS_V">;
|
|
def TEX_SAMPLE_G : R600_TEX <0x14, "TEX_SAMPLE_G">;
|
|
def TEX_SAMPLE_C_G : R600_TEX <0x1C, "TEX_SAMPLE_C_G">;
|
|
|
|
defm : TexPattern<0, TEX_SAMPLE>;
|
|
defm : TexPattern<1, TEX_SAMPLE_C>;
|
|
defm : TexPattern<2, TEX_SAMPLE_L>;
|
|
defm : TexPattern<3, TEX_SAMPLE_C_L>;
|
|
defm : TexPattern<4, TEX_SAMPLE_LB>;
|
|
defm : TexPattern<5, TEX_SAMPLE_C_LB>;
|
|
defm : TexPattern<6, TEX_LD, v4i32>;
|
|
defm : TexPattern<7, TEX_GET_TEXTURE_RESINFO, v4i32>;
|
|
defm : TexPattern<8, TEX_GET_GRADIENTS_H>;
|
|
defm : TexPattern<9, TEX_GET_GRADIENTS_V>;
|
|
defm : TexPattern<10, TEX_LDPTR, v4i32>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Helper classes for common instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class MUL_LIT_Common <bits<5> inst> : R600_3OP <
|
|
inst, "MUL_LIT",
|
|
[]
|
|
>;
|
|
|
|
class MULADD_Common <bits<5> inst> : R600_3OP <
|
|
inst, "MULADD",
|
|
[]
|
|
>;
|
|
|
|
class MULADD_IEEE_Common <bits<5> inst> : R600_3OP <
|
|
inst, "MULADD_IEEE",
|
|
[(set f32:$dst, (any_fmad f32:$src0, f32:$src1, f32:$src2))]
|
|
>;
|
|
|
|
class FMA_Common <bits<5> inst> : R600_3OP <
|
|
inst, "FMA",
|
|
[(set f32:$dst, (fma f32:$src0, f32:$src1, f32:$src2))], VecALU
|
|
>
|
|
{
|
|
let OtherPredicates = [FMA];
|
|
}
|
|
|
|
class CNDE_Common <bits<5> inst> : R600_3OP <
|
|
inst, "CNDE",
|
|
[(set f32:$dst, (selectcc f32:$src0, FP_ZERO, f32:$src1, f32:$src2, COND_OEQ))]
|
|
>;
|
|
|
|
class CNDGT_Common <bits<5> inst> : R600_3OP <
|
|
inst, "CNDGT",
|
|
[(set f32:$dst, (selectcc f32:$src0, FP_ZERO, f32:$src1, f32:$src2, COND_OGT))]
|
|
> {
|
|
let Itinerary = VecALU;
|
|
}
|
|
|
|
class CNDGE_Common <bits<5> inst> : R600_3OP <
|
|
inst, "CNDGE",
|
|
[(set f32:$dst, (selectcc f32:$src0, FP_ZERO, f32:$src1, f32:$src2, COND_OGE))]
|
|
> {
|
|
let Itinerary = VecALU;
|
|
}
|
|
|
|
|
|
let isCodeGenOnly = 1, isPseudo = 1, Namespace = "R600" in {
|
|
class R600_VEC2OP<list<dag> pattern> : InstR600 <(outs R600_Reg32:$dst), (ins
|
|
// Slot X
|
|
UEM:$update_exec_mask_X, UP:$update_pred_X, WRITE:$write_X,
|
|
OMOD:$omod_X, REL:$dst_rel_X, CLAMP:$clamp_X,
|
|
R600_TReg32_X:$src0_X, NEG:$src0_neg_X, REL:$src0_rel_X, ABS:$src0_abs_X, SEL:$src0_sel_X,
|
|
R600_TReg32_X:$src1_X, NEG:$src1_neg_X, REL:$src1_rel_X, ABS:$src1_abs_X, SEL:$src1_sel_X,
|
|
R600_Pred:$pred_sel_X,
|
|
// Slot Y
|
|
UEM:$update_exec_mask_Y, UP:$update_pred_Y, WRITE:$write_Y,
|
|
OMOD:$omod_Y, REL:$dst_rel_Y, CLAMP:$clamp_Y,
|
|
R600_TReg32_Y:$src0_Y, NEG:$src0_neg_Y, REL:$src0_rel_Y, ABS:$src0_abs_Y, SEL:$src0_sel_Y,
|
|
R600_TReg32_Y:$src1_Y, NEG:$src1_neg_Y, REL:$src1_rel_Y, ABS:$src1_abs_Y, SEL:$src1_sel_Y,
|
|
R600_Pred:$pred_sel_Y,
|
|
// Slot Z
|
|
UEM:$update_exec_mask_Z, UP:$update_pred_Z, WRITE:$write_Z,
|
|
OMOD:$omod_Z, REL:$dst_rel_Z, CLAMP:$clamp_Z,
|
|
R600_TReg32_Z:$src0_Z, NEG:$src0_neg_Z, REL:$src0_rel_Z, ABS:$src0_abs_Z, SEL:$src0_sel_Z,
|
|
R600_TReg32_Z:$src1_Z, NEG:$src1_neg_Z, REL:$src1_rel_Z, ABS:$src1_abs_Z, SEL:$src1_sel_Z,
|
|
R600_Pred:$pred_sel_Z,
|
|
// Slot W
|
|
UEM:$update_exec_mask_W, UP:$update_pred_W, WRITE:$write_W,
|
|
OMOD:$omod_W, REL:$dst_rel_W, CLAMP:$clamp_W,
|
|
R600_TReg32_W:$src0_W, NEG:$src0_neg_W, REL:$src0_rel_W, ABS:$src0_abs_W, SEL:$src0_sel_W,
|
|
R600_TReg32_W:$src1_W, NEG:$src1_neg_W, REL:$src1_rel_W, ABS:$src1_abs_W, SEL:$src1_sel_W,
|
|
R600_Pred:$pred_sel_W,
|
|
LITERAL:$literal0, LITERAL:$literal1),
|
|
"",
|
|
pattern,
|
|
AnyALU> {
|
|
|
|
let UseNamedOperandTable = 1;
|
|
|
|
}
|
|
}
|
|
|
|
def DOT_4 : R600_VEC2OP<[(set R600_Reg32:$dst, (DOT4
|
|
R600_TReg32_X:$src0_X, R600_TReg32_X:$src1_X,
|
|
R600_TReg32_Y:$src0_Y, R600_TReg32_Y:$src1_Y,
|
|
R600_TReg32_Z:$src0_Z, R600_TReg32_Z:$src1_Z,
|
|
R600_TReg32_W:$src0_W, R600_TReg32_W:$src1_W))]>;
|
|
|
|
|
|
class DOT4_Common <bits<11> inst> : R600_2OP <inst, "DOT4", []>;
|
|
|
|
|
|
let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
|
|
multiclass CUBE_Common <bits<11> inst> {
|
|
|
|
def _pseudo : InstR600 <
|
|
(outs R600_Reg128:$dst),
|
|
(ins R600_Reg128:$src0),
|
|
"CUBE $dst $src0",
|
|
[(set v4f32:$dst, (int_r600_cube v4f32:$src0))],
|
|
VecALU
|
|
> {
|
|
let isPseudo = 1;
|
|
let UseNamedOperandTable = 1;
|
|
}
|
|
|
|
def _real : R600_2OP <inst, "CUBE", []>;
|
|
}
|
|
} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0
|
|
|
|
class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "EXP_IEEE", fexp2
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "FLT_TO_INT", fp_to_sint
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "INT_TO_FLT", sint_to_fp
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "FLT_TO_UINT", fp_to_uint
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "UINT_TO_FLT", uint_to_fp
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
|
|
inst, "LOG_CLAMPED", []
|
|
>;
|
|
|
|
class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "LOG_IEEE", flog2
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
|
|
class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
|
|
class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
|
|
class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
|
|
inst, "MULHI_INT", mulhs> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class MULHI_INT24_Common <bits<11> inst> : R600_2OP_Helper <
|
|
inst, "MULHI_INT24", AMDGPUmulhi_i24> {
|
|
let Itinerary = VecALU;
|
|
}
|
|
|
|
class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
|
|
inst, "MULHI", mulhu> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class MULHI_UINT24_Common <bits<11> inst> : R600_2OP_Helper <
|
|
inst, "MULHI_UINT24", AMDGPUmulhi_u24> {
|
|
let Itinerary = VecALU;
|
|
}
|
|
|
|
class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
|
|
inst, "MULLO_INT", mul> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
|
|
inst, "RECIP_CLAMPED", []
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class RECIP_IEEE_Common <bits<11> inst> : R600_1OP <
|
|
inst, "RECIP_IEEE", [(set f32:$dst, (AMDGPUrcp f32:$src0))]
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "RECIP_UINT", AMDGPUurecip
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
// Clamped to maximum.
|
|
class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "RECIPSQRT_CLAMPED", AMDGPUrsq_clamp
|
|
> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
|
|
inst, "RECIPSQRT_IEEE", AMDGPUrsq> {
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
// TODO: There is also RECIPSQRT_FF which clamps to zero.
|
|
|
|
class SIN_Common <bits<11> inst> : R600_1OP <
|
|
inst, "SIN", [(set f32:$dst, (SIN_HW f32:$src0))]>{
|
|
let Trig = 1;
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
class COS_Common <bits<11> inst> : R600_1OP <
|
|
inst, "COS", [(set f32:$dst, (COS_HW f32:$src0))]> {
|
|
let Trig = 1;
|
|
let Itinerary = TransALU;
|
|
}
|
|
|
|
def FABS_R600 : FABS<R600_Reg32>;
|
|
def FNEG_R600 : FNEG<R600_Reg32>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Helper patterns for complex intrinsics
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// FIXME: Should be predicated on unsafe fp math.
|
|
multiclass DIV_Common <InstR600 recip_ieee> {
|
|
def : R600Pat<
|
|
(fdiv f32:$src0, f32:$src1),
|
|
(MUL_IEEE $src0, (recip_ieee $src1))
|
|
>;
|
|
|
|
def : RcpPat<recip_ieee, f32>;
|
|
}
|
|
|
|
class SqrtPat<Instruction RsqInst, Instruction RecipInst> : R600Pat <
|
|
(fsqrt f32:$src),
|
|
(RecipInst (RsqInst $src))
|
|
>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// R600 / R700 Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Predicates = [isR600] in {
|
|
|
|
def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
|
|
def MULADD_r600 : MULADD_Common<0x10>;
|
|
def MULADD_IEEE_r600 : MULADD_IEEE_Common<0x14>;
|
|
def CNDE_r600 : CNDE_Common<0x18>;
|
|
def CNDGT_r600 : CNDGT_Common<0x19>;
|
|
def CNDGE_r600 : CNDGE_Common<0x1A>;
|
|
def DOT4_r600 : DOT4_Common<0x50>;
|
|
defm CUBE_r600 : CUBE_Common<0x52>;
|
|
def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
|
|
def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
|
|
def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
|
|
def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
|
|
def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
|
|
def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
|
|
def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
|
|
def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
|
|
def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
|
|
def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
|
|
def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
|
|
def SIN_r600 : SIN_Common<0x6E>;
|
|
def COS_r600 : COS_Common<0x6F>;
|
|
def ASHR_r600 : ASHR_Common<0x70>;
|
|
def LSHR_r600 : LSHR_Common<0x71>;
|
|
def LSHL_r600 : LSHL_Common<0x72>;
|
|
def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
|
|
def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
|
|
def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
|
|
def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
|
|
def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
|
|
|
|
defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
|
|
def : POW_Common <LOG_IEEE_r600, EXP_IEEE_r600, MUL>;
|
|
|
|
def : RsqPat<RECIPSQRT_IEEE_r600, f32>;
|
|
def : SqrtPat<RECIPSQRT_IEEE_r600, RECIP_IEEE_r600>;
|
|
|
|
def R600_ExportSwz : ExportSwzInst {
|
|
let Word1{20-17} = 0; // BURST_COUNT
|
|
let Word1{21} = eop;
|
|
let Word1{22} = 0; // VALID_PIXEL_MODE
|
|
let Word1{30-23} = inst;
|
|
let Word1{31} = 1; // BARRIER
|
|
}
|
|
defm : ExportPattern<R600_ExportSwz, 39>;
|
|
|
|
def R600_ExportBuf : ExportBufInst {
|
|
let Word1{20-17} = 0; // BURST_COUNT
|
|
let Word1{21} = eop;
|
|
let Word1{22} = 0; // VALID_PIXEL_MODE
|
|
let Word1{30-23} = inst;
|
|
let Word1{31} = 1; // BARRIER
|
|
}
|
|
defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
|
|
|
|
def CF_TC_R600 : CF_CLAUSE_R600<1, (ins i32imm:$ADDR, i32imm:$CNT),
|
|
"TEX $CNT @$ADDR"> {
|
|
let POP_COUNT = 0;
|
|
}
|
|
def CF_VC_R600 : CF_CLAUSE_R600<2, (ins i32imm:$ADDR, i32imm:$CNT),
|
|
"VTX $CNT @$ADDR"> {
|
|
let POP_COUNT = 0;
|
|
}
|
|
def WHILE_LOOP_R600 : CF_CLAUSE_R600<6, (ins i32imm:$ADDR),
|
|
"LOOP_START_DX10 @$ADDR"> {
|
|
let POP_COUNT = 0;
|
|
let CNT = 0;
|
|
}
|
|
def END_LOOP_R600 : CF_CLAUSE_R600<5, (ins i32imm:$ADDR), "END_LOOP @$ADDR"> {
|
|
let POP_COUNT = 0;
|
|
let CNT = 0;
|
|
}
|
|
def LOOP_BREAK_R600 : CF_CLAUSE_R600<9, (ins i32imm:$ADDR),
|
|
"LOOP_BREAK @$ADDR"> {
|
|
let POP_COUNT = 0;
|
|
let CNT = 0;
|
|
}
|
|
def CF_CONTINUE_R600 : CF_CLAUSE_R600<8, (ins i32imm:$ADDR),
|
|
"CONTINUE @$ADDR"> {
|
|
let POP_COUNT = 0;
|
|
let CNT = 0;
|
|
}
|
|
def CF_JUMP_R600 : CF_CLAUSE_R600<10, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
|
|
"JUMP @$ADDR POP:$POP_COUNT"> {
|
|
let CNT = 0;
|
|
}
|
|
def CF_PUSH_ELSE_R600 : CF_CLAUSE_R600<12, (ins i32imm:$ADDR),
|
|
"PUSH_ELSE @$ADDR"> {
|
|
let CNT = 0;
|
|
let POP_COUNT = 0; // FIXME?
|
|
}
|
|
def CF_ELSE_R600 : CF_CLAUSE_R600<13, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
|
|
"ELSE @$ADDR POP:$POP_COUNT"> {
|
|
let CNT = 0;
|
|
}
|
|
def CF_CALL_FS_R600 : CF_CLAUSE_R600<19, (ins), "CALL_FS"> {
|
|
let ADDR = 0;
|
|
let CNT = 0;
|
|
let POP_COUNT = 0;
|
|
}
|
|
def POP_R600 : CF_CLAUSE_R600<14, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
|
|
"POP @$ADDR POP:$POP_COUNT"> {
|
|
let CNT = 0;
|
|
}
|
|
def CF_END_R600 : CF_CLAUSE_R600<0, (ins), "CF_END"> {
|
|
let CNT = 0;
|
|
let POP_COUNT = 0;
|
|
let ADDR = 0;
|
|
let END_OF_PROGRAM = 1;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Regist loads and stores - for indirect addressing
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Namespace = "R600" in {
|
|
defm R600_ : RegisterLoadStore <R600_Reg32, FRAMEri, ADDRIndirect>;
|
|
}
|
|
|
|
// Hardcode channel to 0
|
|
// NOTE: LSHR is not available here. LSHR is per family instruction
|
|
def : R600Pat <
|
|
(i32 (load_private ADDRIndirect:$addr) ),
|
|
(R600_RegisterLoad FRAMEri:$addr, (i32 0))
|
|
>;
|
|
def : R600Pat <
|
|
(store_private i32:$val, ADDRIndirect:$addr),
|
|
(R600_RegisterStore i32:$val, FRAMEri:$addr, (i32 0))
|
|
>;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Pseudo instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let isPseudo = 1 in {
|
|
|
|
def PRED_X : InstR600 <
|
|
(outs R600_Predicate_Bit:$dst),
|
|
(ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
|
|
"", [], NullALU> {
|
|
let FlagOperandIdx = 3;
|
|
}
|
|
|
|
let isTerminator = 1, isBranch = 1 in {
|
|
def JUMP_COND : InstR600 <
|
|
(outs),
|
|
(ins brtarget:$target, R600_Predicate_Bit:$p),
|
|
"JUMP $target ($p)",
|
|
[], AnyALU
|
|
>;
|
|
|
|
def JUMP : InstR600 <
|
|
(outs),
|
|
(ins brtarget:$target),
|
|
"JUMP $target",
|
|
[], AnyALU
|
|
>
|
|
{
|
|
let isPredicable = 1;
|
|
let isBarrier = 1;
|
|
}
|
|
|
|
} // End isTerminator = 1, isBranch = 1
|
|
|
|
let usesCustomInserter = 1 in {
|
|
|
|
let mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {
|
|
|
|
def MASK_WRITE : InstR600 <
|
|
(outs),
|
|
(ins R600_Reg32:$src),
|
|
"MASK_WRITE $src",
|
|
[],
|
|
NullALU
|
|
>;
|
|
|
|
} // End mayLoad = 0, mayStore = 0, hasSideEffects = 1
|
|
|
|
|
|
def TXD: InstR600 <
|
|
(outs R600_Reg128:$dst),
|
|
(ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2,
|
|
i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
|
|
"TXD $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget", [],
|
|
NullALU > {
|
|
let TEXInst = 1;
|
|
}
|
|
|
|
def TXD_SHADOW: InstR600 <
|
|
(outs R600_Reg128:$dst),
|
|
(ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2,
|
|
i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget),
|
|
"TXD_SHADOW $dst, $src0, $src1, $src2, $resourceId, $samplerId, $textureTarget",
|
|
[], NullALU> {
|
|
let TEXInst = 1;
|
|
}
|
|
} // End isPseudo = 1
|
|
} // End usesCustomInserter = 1
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Constant Buffer Addressing Support
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let usesCustomInserter = 1, isCodeGenOnly = 1, isPseudo = 1, Namespace = "R600" in {
|
|
def CONST_COPY : Instruction {
|
|
let OutOperandList = (outs R600_Reg32:$dst);
|
|
let InOperandList = (ins i32imm:$src);
|
|
let Pattern =
|
|
[(set R600_Reg32:$dst, (CONST_ADDRESS ADDRGA_CONST_OFFSET:$src))];
|
|
let AsmString = "CONST_COPY";
|
|
let hasSideEffects = 0;
|
|
let isAsCheapAsAMove = 1;
|
|
let Itinerary = NullALU;
|
|
}
|
|
} // end usesCustomInserter = 1, isCodeGenOnly = 1, isPseudo = 1, Namespace = "AMDGPU"
|
|
|
|
def TEX_VTX_CONSTBUF :
|
|
InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr, i32imm:$buffer_id), "VTX_READ_eg $dst, $ptr",
|
|
[(set v4i32:$dst, (CONST_ADDRESS ADDRGA_VAR_OFFSET:$ptr, (i32 imm:$buffer_id)))]>,
|
|
VTX_WORD1_GPR, VTX_WORD0_eg {
|
|
|
|
let VC_INST = 0;
|
|
let FETCH_TYPE = 2;
|
|
let FETCH_WHOLE_QUAD = 0;
|
|
let SRC_REL = 0;
|
|
let SRC_SEL_X = 0;
|
|
let DST_REL = 0;
|
|
let USE_CONST_FIELDS = 0;
|
|
let NUM_FORMAT_ALL = 2;
|
|
let FORMAT_COMP_ALL = 1;
|
|
let SRF_MODE_ALL = 1;
|
|
let MEGA_FETCH_COUNT = 16;
|
|
let DST_SEL_X = 0;
|
|
let DST_SEL_Y = 1;
|
|
let DST_SEL_Z = 2;
|
|
let DST_SEL_W = 3;
|
|
let DATA_FORMAT = 35;
|
|
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
|
|
// LLVM can only encode 64-bit instructions, so these fields are manually
|
|
// encoded in R600CodeEmitter
|
|
//
|
|
// bits<16> OFFSET;
|
|
// bits<2> ENDIAN_SWAP = 0;
|
|
// bits<1> CONST_BUF_NO_STRIDE = 0;
|
|
// bits<1> MEGA_FETCH = 0;
|
|
// bits<1> ALT_CONST = 0;
|
|
// bits<2> BUFFER_INDEX_MODE = 0;
|
|
|
|
|
|
|
|
// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
|
|
// is done in R600CodeEmitter
|
|
//
|
|
// Inst{79-64} = OFFSET;
|
|
// Inst{81-80} = ENDIAN_SWAP;
|
|
// Inst{82} = CONST_BUF_NO_STRIDE;
|
|
// Inst{83} = MEGA_FETCH;
|
|
// Inst{84} = ALT_CONST;
|
|
// Inst{86-85} = BUFFER_INDEX_MODE;
|
|
// Inst{95-86} = 0; Reserved
|
|
|
|
// VTX_WORD3 (Padding)
|
|
//
|
|
// Inst{127-96} = 0;
|
|
let VTXInst = 1;
|
|
}
|
|
|
|
def TEX_VTX_TEXBUF:
|
|
InstR600ISA <(outs R600_Reg128:$dst), (ins MEMxi:$ptr, i32imm:$buffer_id), "TEX_VTX_EXPLICIT_READ $dst, $ptr">,
|
|
VTX_WORD1_GPR, VTX_WORD0_eg {
|
|
|
|
let VC_INST = 0;
|
|
let FETCH_TYPE = 2;
|
|
let FETCH_WHOLE_QUAD = 0;
|
|
let SRC_REL = 0;
|
|
let SRC_SEL_X = 0;
|
|
let DST_REL = 0;
|
|
let USE_CONST_FIELDS = 1;
|
|
let NUM_FORMAT_ALL = 0;
|
|
let FORMAT_COMP_ALL = 0;
|
|
let SRF_MODE_ALL = 1;
|
|
let MEGA_FETCH_COUNT = 16;
|
|
let DST_SEL_X = 0;
|
|
let DST_SEL_Y = 1;
|
|
let DST_SEL_Z = 2;
|
|
let DST_SEL_W = 3;
|
|
let DATA_FORMAT = 0;
|
|
|
|
let Inst{31-0} = Word0;
|
|
let Inst{63-32} = Word1;
|
|
|
|
// LLVM can only encode 64-bit instructions, so these fields are manually
|
|
// encoded in R600CodeEmitter
|
|
//
|
|
// bits<16> OFFSET;
|
|
// bits<2> ENDIAN_SWAP = 0;
|
|
// bits<1> CONST_BUF_NO_STRIDE = 0;
|
|
// bits<1> MEGA_FETCH = 0;
|
|
// bits<1> ALT_CONST = 0;
|
|
// bits<2> BUFFER_INDEX_MODE = 0;
|
|
|
|
|
|
|
|
// VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
|
|
// is done in R600CodeEmitter
|
|
//
|
|
// Inst{79-64} = OFFSET;
|
|
// Inst{81-80} = ENDIAN_SWAP;
|
|
// Inst{82} = CONST_BUF_NO_STRIDE;
|
|
// Inst{83} = MEGA_FETCH;
|
|
// Inst{84} = ALT_CONST;
|
|
// Inst{86-85} = BUFFER_INDEX_MODE;
|
|
// Inst{95-86} = 0; Reserved
|
|
|
|
// VTX_WORD3 (Padding)
|
|
//
|
|
// Inst{127-96} = 0;
|
|
let VTXInst = 1;
|
|
}
|
|
|
|
//===---------------------------------------------------------------------===//
|
|
// Flow and Program control Instructions
|
|
//===---------------------------------------------------------------------===//
|
|
|
|
multiclass BranchConditional<SDNode Op, RegisterClass rci, RegisterClass rcf> {
|
|
def _i32 : ILFormat<(outs),
|
|
(ins brtarget:$target, rci:$src0),
|
|
"; i32 Pseudo branch instruction",
|
|
[(Op bb:$target, (i32 rci:$src0))]>;
|
|
def _f32 : ILFormat<(outs),
|
|
(ins brtarget:$target, rcf:$src0),
|
|
"; f32 Pseudo branch instruction",
|
|
[(Op bb:$target, (f32 rcf:$src0))]>;
|
|
}
|
|
|
|
// Only scalar types should generate flow control
|
|
multiclass BranchInstr<string name> {
|
|
def _i32 : ILFormat<(outs), (ins R600_Reg32:$src),
|
|
!strconcat(name, " $src"), []>;
|
|
def _f32 : ILFormat<(outs), (ins R600_Reg32:$src),
|
|
!strconcat(name, " $src"), []>;
|
|
}
|
|
// Only scalar types should generate flow control
|
|
multiclass BranchInstr2<string name> {
|
|
def _i32 : ILFormat<(outs), (ins R600_Reg32:$src0, R600_Reg32:$src1),
|
|
!strconcat(name, " $src0, $src1"), []>;
|
|
def _f32 : ILFormat<(outs), (ins R600_Reg32:$src0, R600_Reg32:$src1),
|
|
!strconcat(name, " $src0, $src1"), []>;
|
|
}
|
|
|
|
//===---------------------------------------------------------------------===//
|
|
// Custom Inserter for Branches and returns, this eventually will be a
|
|
// separate pass
|
|
//===---------------------------------------------------------------------===//
|
|
let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1,
|
|
Namespace = "R600" in {
|
|
def BRANCH : ILFormat<(outs), (ins brtarget:$target),
|
|
"; Pseudo unconditional branch instruction",
|
|
[(br bb:$target)]>;
|
|
defm BRANCH_COND : BranchConditional<IL_brcond, R600_Reg32, R600_Reg32>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Branch Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
def IF_PREDICATE_SET : ILFormat<(outs), (ins R600_Reg32:$src),
|
|
"IF_PREDICATE_SET $src", []>;
|
|
|
|
let isTerminator=1 in {
|
|
def BREAK : ILFormat< (outs), (ins),
|
|
"BREAK", []>;
|
|
def CONTINUE : ILFormat< (outs), (ins),
|
|
"CONTINUE", []>;
|
|
def DEFAULT : ILFormat< (outs), (ins),
|
|
"DEFAULT", []>;
|
|
def ELSE : ILFormat< (outs), (ins),
|
|
"ELSE", []>;
|
|
def ENDSWITCH : ILFormat< (outs), (ins),
|
|
"ENDSWITCH", []>;
|
|
def ENDMAIN : ILFormat< (outs), (ins),
|
|
"ENDMAIN", []>;
|
|
def END : ILFormat< (outs), (ins),
|
|
"END", []>;
|
|
def ENDFUNC : ILFormat< (outs), (ins),
|
|
"ENDFUNC", []>;
|
|
def ENDIF : ILFormat< (outs), (ins),
|
|
"ENDIF", []>;
|
|
def WHILELOOP : ILFormat< (outs), (ins),
|
|
"WHILE", []>;
|
|
def ENDLOOP : ILFormat< (outs), (ins),
|
|
"ENDLOOP", []>;
|
|
def FUNC : ILFormat< (outs), (ins),
|
|
"FUNC", []>;
|
|
def RETDYN : ILFormat< (outs), (ins),
|
|
"RET_DYN", []>;
|
|
// This opcode has custom swizzle pattern encoded in Swizzle Encoder
|
|
defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">;
|
|
// This opcode has custom swizzle pattern encoded in Swizzle Encoder
|
|
defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">;
|
|
// This opcode has custom swizzle pattern encoded in Swizzle Encoder
|
|
defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">;
|
|
// This opcode has custom swizzle pattern encoded in Swizzle Encoder
|
|
defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">;
|
|
// This opcode has custom swizzle pattern encoded in Swizzle Encoder
|
|
defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">;
|
|
// This opcode has custom swizzle pattern encoded in Swizzle Encoder
|
|
defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">;
|
|
defm IFC : BranchInstr2<"IFC">;
|
|
defm BREAKC : BranchInstr2<"BREAKC">;
|
|
defm CONTINUEC : BranchInstr2<"CONTINUEC">;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Indirect addressing pseudo instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let isPseudo = 1 in {
|
|
|
|
class ExtractVertical <RegisterClass vec_rc> : InstR600 <
|
|
(outs R600_Reg32:$dst),
|
|
(ins vec_rc:$vec, R600_Reg32:$index), "",
|
|
[],
|
|
AnyALU
|
|
>;
|
|
|
|
let Constraints = "$dst = $vec" in {
|
|
|
|
class InsertVertical <RegisterClass vec_rc> : InstR600 <
|
|
(outs vec_rc:$dst),
|
|
(ins vec_rc:$vec, R600_Reg32:$value, R600_Reg32:$index), "",
|
|
[],
|
|
AnyALU
|
|
>;
|
|
|
|
} // End Constraints = "$dst = $vec"
|
|
|
|
} // End isPseudo = 1
|
|
|
|
def R600_EXTRACT_ELT_V2 : ExtractVertical <R600_Reg64Vertical>;
|
|
def R600_EXTRACT_ELT_V4 : ExtractVertical <R600_Reg128Vertical>;
|
|
|
|
def R600_INSERT_ELT_V2 : InsertVertical <R600_Reg64Vertical>;
|
|
def R600_INSERT_ELT_V4 : InsertVertical <R600_Reg128Vertical>;
|
|
|
|
class ExtractVerticalPat <Instruction inst, ValueType vec_ty,
|
|
ValueType scalar_ty> : R600Pat <
|
|
(scalar_ty (extractelt vec_ty:$vec, i32:$index)),
|
|
(inst $vec, $index)
|
|
>;
|
|
|
|
def : ExtractVerticalPat <R600_EXTRACT_ELT_V2, v2i32, i32>;
|
|
def : ExtractVerticalPat <R600_EXTRACT_ELT_V2, v2f32, f32>;
|
|
def : ExtractVerticalPat <R600_EXTRACT_ELT_V4, v4i32, i32>;
|
|
def : ExtractVerticalPat <R600_EXTRACT_ELT_V4, v4f32, f32>;
|
|
|
|
class InsertVerticalPat <Instruction inst, ValueType vec_ty,
|
|
ValueType scalar_ty> : R600Pat <
|
|
(vec_ty (insertelt vec_ty:$vec, scalar_ty:$value, i32:$index)),
|
|
(inst $vec, $value, $index)
|
|
>;
|
|
|
|
def : InsertVerticalPat <R600_INSERT_ELT_V2, v2i32, i32>;
|
|
def : InsertVerticalPat <R600_INSERT_ELT_V2, v2f32, f32>;
|
|
def : InsertVerticalPat <R600_INSERT_ELT_V4, v4i32, i32>;
|
|
def : InsertVerticalPat <R600_INSERT_ELT_V4, v4f32, f32>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ISel Patterns
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let SubtargetPredicate = isR600toCayman in {
|
|
|
|
// CND*_INT Patterns for f32 True / False values
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class CND_INT_f32 <InstR600 cnd, CondCode cc> : R600Pat <
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(selectcc i32:$src0, 0, f32:$src1, f32:$src2, cc),
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(cnd $src0, $src1, $src2)
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>;
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def : CND_INT_f32 <CNDE_INT, SETEQ>;
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def : CND_INT_f32 <CNDGT_INT, SETGT>;
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def : CND_INT_f32 <CNDGE_INT, SETGE>;
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//CNDGE_INT extra pattern
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def : R600Pat <
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(selectcc i32:$src0, -1, i32:$src1, i32:$src2, COND_SGT),
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(CNDGE_INT $src0, $src1, $src2)
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>;
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// KIL Patterns
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def KIL : R600Pat <
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(int_r600_kill f32:$src0),
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(MASK_WRITE (KILLGT (f32 ZERO), $src0))
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>;
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def : Extract_Element <f32, v4f32, 0, sub0>;
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def : Extract_Element <f32, v4f32, 1, sub1>;
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def : Extract_Element <f32, v4f32, 2, sub2>;
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def : Extract_Element <f32, v4f32, 3, sub3>;
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def : Insert_Element <f32, v4f32, 0, sub0>;
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def : Insert_Element <f32, v4f32, 1, sub1>;
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def : Insert_Element <f32, v4f32, 2, sub2>;
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def : Insert_Element <f32, v4f32, 3, sub3>;
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def : Extract_Element <i32, v4i32, 0, sub0>;
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def : Extract_Element <i32, v4i32, 1, sub1>;
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def : Extract_Element <i32, v4i32, 2, sub2>;
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def : Extract_Element <i32, v4i32, 3, sub3>;
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def : Insert_Element <i32, v4i32, 0, sub0>;
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def : Insert_Element <i32, v4i32, 1, sub1>;
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def : Insert_Element <i32, v4i32, 2, sub2>;
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def : Insert_Element <i32, v4i32, 3, sub3>;
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def : Extract_Element <f32, v2f32, 0, sub0>;
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def : Extract_Element <f32, v2f32, 1, sub1>;
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def : Insert_Element <f32, v2f32, 0, sub0>;
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def : Insert_Element <f32, v2f32, 1, sub1>;
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def : Extract_Element <i32, v2i32, 0, sub0>;
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def : Extract_Element <i32, v2i32, 1, sub1>;
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def : Insert_Element <i32, v2i32, 0, sub0>;
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def : Insert_Element <i32, v2i32, 1, sub1>;
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// bitconvert patterns
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def : BitConvert <i32, f32, R600_Reg32>;
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def : BitConvert <f32, i32, R600_Reg32>;
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def : BitConvert <v2f32, v2i32, R600_Reg64>;
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def : BitConvert <v2i32, v2f32, R600_Reg64>;
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def : BitConvert <v4f32, v4i32, R600_Reg128>;
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def : BitConvert <v4i32, v4f32, R600_Reg128>;
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// DWORDADDR pattern
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def : DwordAddrPat <i32, R600_Reg32>;
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} // End SubtargetPredicate = isR600toCayman
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def getLDSNoRetOp : InstrMapping {
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let FilterClass = "R600_LDS_1A1D";
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let RowFields = ["BaseOp"];
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let ColFields = ["DisableEncoding"];
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let KeyCol = ["$dst"];
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let ValueCols = [[""""]];
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}
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