mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-07 12:07:17 +00:00
b52bf6a3b3
All shift operations will be selected as SALU instructions and then if necessary lowered to VALU instructions in the SIFixSGPRCopies pass. This allows us to do more operations on the SALU which will improve performance and is also required for implementing private memory using indirect addressing, since the private memory pointers must stay in the scalar registers. This patch includes some fixes from Matt Arsenault. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194625 91177308-0d34-0410-b5e6-96231b3b80d8
481 lines
10 KiB
TableGen
481 lines
10 KiB
TableGen
//===-- SIInstrFormats.td - SI Instruction Encodings ----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// SI Instruction format definitions.
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//
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//===----------------------------------------------------------------------===//
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class InstSI <dag outs, dag ins, string asm, list<dag> pattern> :
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AMDGPUInst<outs, ins, asm, pattern> {
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field bits<1> VM_CNT = 0;
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field bits<1> EXP_CNT = 0;
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field bits<1> LGKM_CNT = 0;
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field bits<1> MIMG = 0;
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field bits<1> SMRD = 0;
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field bits<1> VOP1 = 0;
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field bits<1> VOP2 = 0;
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field bits<1> VOP3 = 0;
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field bits<1> VOPC = 0;
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field bits<1> SALU = 0;
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let TSFlags{0} = VM_CNT;
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let TSFlags{1} = EXP_CNT;
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let TSFlags{2} = LGKM_CNT;
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let TSFlags{3} = MIMG;
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let TSFlags{4} = SMRD;
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let TSFlags{5} = VOP1;
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let TSFlags{6} = VOP2;
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let TSFlags{7} = VOP3;
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let TSFlags{8} = VOPC;
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let TSFlags{9} = SALU;
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}
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class Enc32 <dag outs, dag ins, string asm, list<dag> pattern> :
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InstSI <outs, ins, asm, pattern> {
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field bits<32> Inst;
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let Size = 4;
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}
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class Enc64 <dag outs, dag ins, string asm, list<dag> pattern> :
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InstSI <outs, ins, asm, pattern> {
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field bits<64> Inst;
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let Size = 8;
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}
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//===----------------------------------------------------------------------===//
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// Scalar operations
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//===----------------------------------------------------------------------===//
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class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc32<outs, ins, asm, pattern> {
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bits<7> SDST;
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bits<8> SSRC0;
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let Inst{7-0} = SSRC0;
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let Inst{15-8} = op;
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let Inst{22-16} = SDST;
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let Inst{31-23} = 0x17d; //encoding;
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let SALU = 1;
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}
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class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc32 <outs, ins, asm, pattern> {
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bits<7> SDST;
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bits<8> SSRC0;
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bits<8> SSRC1;
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let Inst{7-0} = SSRC0;
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let Inst{15-8} = SSRC1;
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let Inst{22-16} = SDST;
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let Inst{29-23} = op;
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let Inst{31-30} = 0x2; // encoding
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let SALU = 1;
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}
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class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc32<outs, ins, asm, pattern> {
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bits<8> SSRC0;
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bits<8> SSRC1;
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let Inst{7-0} = SSRC0;
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let Inst{15-8} = SSRC1;
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let Inst{22-16} = op;
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let Inst{31-23} = 0x17e;
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let DisableEncoding = "$dst";
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let SALU = 1;
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}
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class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc32 <outs, ins , asm, pattern> {
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bits <7> SDST;
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bits <16> SIMM16;
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let Inst{15-0} = SIMM16;
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let Inst{22-16} = SDST;
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let Inst{27-23} = op;
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let Inst{31-28} = 0xb; //encoding
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let SALU = 1;
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}
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class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> : Enc32 <
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(outs),
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ins,
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asm,
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pattern > {
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bits <16> SIMM16;
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let Inst{15-0} = SIMM16;
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let Inst{22-16} = op;
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let Inst{31-23} = 0x17f; // encoding
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let SALU = 1;
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}
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class SMRD <bits<5> op, bits<1> imm, dag outs, dag ins, string asm,
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list<dag> pattern> : Enc32<outs, ins, asm, pattern> {
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bits<7> SDST;
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bits<7> SBASE;
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bits<8> OFFSET;
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let Inst{7-0} = OFFSET;
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let Inst{8} = imm;
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let Inst{14-9} = SBASE{6-1};
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let Inst{21-15} = SDST;
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let Inst{26-22} = op;
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let Inst{31-27} = 0x18; //encoding
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let LGKM_CNT = 1;
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let SMRD = 1;
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}
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//===----------------------------------------------------------------------===//
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// Vector ALU operations
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//===----------------------------------------------------------------------===//
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let Uses = [EXEC] in {
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class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc32 <outs, ins, asm, pattern> {
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bits<8> VDST;
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bits<9> SRC0;
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let Inst{8-0} = SRC0;
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let Inst{16-9} = op;
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let Inst{24-17} = VDST;
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let Inst{31-25} = 0x3f; //encoding
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let UseNamedOperandTable = 1;
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let VOP1 = 1;
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}
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class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc32 <outs, ins, asm, pattern> {
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bits<8> VDST;
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bits<9> SRC0;
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bits<8> VSRC1;
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let Inst{8-0} = SRC0;
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let Inst{16-9} = VSRC1;
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let Inst{24-17} = VDST;
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let Inst{30-25} = op;
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let Inst{31} = 0x0; //encoding
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let UseNamedOperandTable = 1;
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let VOP2 = 1;
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}
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class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc64 <outs, ins, asm, pattern> {
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bits<8> dst;
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bits<9> src0;
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bits<9> src1;
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bits<9> src2;
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bits<3> abs;
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bits<1> clamp;
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bits<2> omod;
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bits<3> neg;
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let Inst{7-0} = dst;
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let Inst{10-8} = abs;
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let Inst{11} = clamp;
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let Inst{25-17} = op;
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let Inst{31-26} = 0x34; //encoding
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let Inst{40-32} = src0;
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let Inst{49-41} = src1;
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let Inst{58-50} = src2;
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let Inst{60-59} = omod;
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let Inst{63-61} = neg;
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let UseNamedOperandTable = 1;
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let VOP3 = 1;
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}
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class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc64 <outs, ins, asm, pattern> {
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bits<8> dst;
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bits<9> src0;
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bits<9> src1;
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bits<9> src2;
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bits<7> sdst;
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bits<2> omod;
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bits<3> neg;
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let Inst{7-0} = dst;
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let Inst{14-8} = sdst;
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let Inst{25-17} = op;
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let Inst{31-26} = 0x34; //encoding
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let Inst{40-32} = src0;
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let Inst{49-41} = src1;
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let Inst{58-50} = src2;
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let Inst{60-59} = omod;
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let Inst{63-61} = neg;
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let UseNamedOperandTable = 1;
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let VOP3 = 1;
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}
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class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
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Enc32 <(outs VCCReg:$dst), ins, asm, pattern> {
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bits<9> SRC0;
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bits<8> VSRC1;
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let Inst{8-0} = SRC0;
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let Inst{16-9} = VSRC1;
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let Inst{24-17} = op;
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let Inst{31-25} = 0x3e;
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let DisableEncoding = "$dst";
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let VOPC = 1;
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}
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class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc32 <outs, ins, asm, pattern> {
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bits<8> VDST;
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bits<8> VSRC;
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bits<2> ATTRCHAN;
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bits<6> ATTR;
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let Inst{7-0} = VSRC;
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let Inst{9-8} = ATTRCHAN;
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let Inst{15-10} = ATTR;
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let Inst{17-16} = op;
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let Inst{25-18} = VDST;
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let Inst{31-26} = 0x32; // encoding
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let neverHasSideEffects = 1;
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let mayLoad = 1;
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let mayStore = 0;
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}
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} // End Uses = [EXEC]
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//===----------------------------------------------------------------------===//
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// Vector I/O operations
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//===----------------------------------------------------------------------===//
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let Uses = [EXEC] in {
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class DS <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc64 <outs, ins, asm, pattern> {
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bits<8> vdst;
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bits<1> gds;
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bits<8> addr;
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bits<8> data0;
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bits<8> data1;
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bits<8> offset0;
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bits<8> offset1;
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let Inst{7-0} = offset0;
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let Inst{15-8} = offset1;
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let Inst{17} = gds;
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let Inst{25-18} = op;
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let Inst{31-26} = 0x36; //encoding
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let Inst{39-32} = addr;
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let Inst{47-40} = data0;
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let Inst{55-48} = data1;
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let Inst{63-56} = vdst;
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let LGKM_CNT = 1;
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}
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class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc64<outs, ins, asm, pattern> {
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bits<12> offset;
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bits<1> offen;
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bits<1> idxen;
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bits<1> glc;
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bits<1> addr64;
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bits<1> lds;
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bits<8> vaddr;
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bits<8> vdata;
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bits<7> srsrc;
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bits<1> slc;
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bits<1> tfe;
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bits<8> soffset;
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let Inst{11-0} = offset;
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let Inst{12} = offen;
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let Inst{13} = idxen;
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let Inst{14} = glc;
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let Inst{15} = addr64;
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let Inst{16} = lds;
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let Inst{24-18} = op;
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let Inst{31-26} = 0x38; //encoding
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let Inst{39-32} = vaddr;
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let Inst{47-40} = vdata;
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let Inst{52-48} = srsrc{6-2};
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let Inst{54} = slc;
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let Inst{55} = tfe;
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let Inst{63-56} = soffset;
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let VM_CNT = 1;
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let EXP_CNT = 1;
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let neverHasSideEffects = 1;
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}
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class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc64<outs, ins, asm, pattern> {
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bits<8> VDATA;
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bits<12> OFFSET;
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bits<1> OFFEN;
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bits<1> IDXEN;
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bits<1> GLC;
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bits<1> ADDR64;
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bits<4> DFMT;
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bits<3> NFMT;
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bits<8> VADDR;
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bits<7> SRSRC;
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bits<1> SLC;
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bits<1> TFE;
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bits<8> SOFFSET;
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let Inst{11-0} = OFFSET;
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let Inst{12} = OFFEN;
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let Inst{13} = IDXEN;
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let Inst{14} = GLC;
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let Inst{15} = ADDR64;
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let Inst{18-16} = op;
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let Inst{22-19} = DFMT;
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let Inst{25-23} = NFMT;
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let Inst{31-26} = 0x3a; //encoding
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let Inst{39-32} = VADDR;
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let Inst{47-40} = VDATA;
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let Inst{52-48} = SRSRC{6-2};
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let Inst{54} = SLC;
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let Inst{55} = TFE;
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let Inst{63-56} = SOFFSET;
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let VM_CNT = 1;
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let EXP_CNT = 1;
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let neverHasSideEffects = 1;
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}
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class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
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Enc64 <outs, ins, asm, pattern> {
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bits<8> VDATA;
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bits<4> DMASK;
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bits<1> UNORM;
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bits<1> GLC;
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bits<1> DA;
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bits<1> R128;
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bits<1> TFE;
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bits<1> LWE;
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bits<1> SLC;
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bits<8> VADDR;
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bits<7> SRSRC;
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bits<7> SSAMP;
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let Inst{11-8} = DMASK;
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let Inst{12} = UNORM;
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let Inst{13} = GLC;
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let Inst{14} = DA;
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let Inst{15} = R128;
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let Inst{16} = TFE;
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let Inst{17} = LWE;
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let Inst{24-18} = op;
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let Inst{25} = SLC;
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let Inst{31-26} = 0x3c;
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let Inst{39-32} = VADDR;
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let Inst{47-40} = VDATA;
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let Inst{52-48} = SRSRC{6-2};
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let Inst{57-53} = SSAMP{6-2};
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let VM_CNT = 1;
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let EXP_CNT = 1;
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let MIMG = 1;
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}
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def EXP : Enc64<
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(outs),
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(ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
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VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
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"EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
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[] > {
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bits<4> EN;
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bits<6> TGT;
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bits<1> COMPR;
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bits<1> DONE;
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bits<1> VM;
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bits<8> VSRC0;
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bits<8> VSRC1;
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bits<8> VSRC2;
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bits<8> VSRC3;
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let Inst{3-0} = EN;
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let Inst{9-4} = TGT;
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let Inst{10} = COMPR;
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let Inst{11} = DONE;
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let Inst{12} = VM;
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let Inst{31-26} = 0x3e;
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let Inst{39-32} = VSRC0;
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let Inst{47-40} = VSRC1;
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let Inst{55-48} = VSRC2;
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let Inst{63-56} = VSRC3;
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let EXP_CNT = 1;
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}
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} // End Uses = [EXEC]
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