mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
47b33528d1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190744 91177308-0d34-0410-b5e6-96231b3b80d8
207 lines
3.4 KiB
TableGen
207 lines
3.4 KiB
TableGen
class MMArch {
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string Arch = "micromips";
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list<dag> Pattern = [];
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}
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class ADD_FM_MM<bits<6> op, bits<10> funct> : MMArch {
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bits<5> rt;
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bits<5> rs;
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bits<5> rd;
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bits<32> Inst;
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let Inst{31-26} = op;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = rd;
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let Inst{10} = 0;
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let Inst{9-0} = funct;
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}
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class ADDI_FM_MM<bits<6> op> : MMArch {
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bits<5> rs;
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bits<5> rt;
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bits<16> imm16;
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bits<32> Inst;
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let Inst{31-26} = op;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-0} = imm16;
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}
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class SLTI_FM_MM<bits<6> op> : MMArch {
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bits<5> rt;
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bits<5> rs;
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bits<16> imm16;
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bits<32> Inst;
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let Inst{31-26} = op;
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let Inst{25-21} = rs;
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let Inst{20-16} = rt;
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let Inst{15-0} = imm16;
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}
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class LUI_FM_MM : MMArch {
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bits<5> rt;
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bits<16> imm16;
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bits<32> Inst;
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let Inst{31-26} = 0x10;
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let Inst{25-21} = 0xd;
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let Inst{20-16} = rt;
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let Inst{15-0} = imm16;
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}
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class MULT_FM_MM<bits<10> funct> : MMArch {
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bits<5> rs;
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bits<5> rt;
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0x3c;
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}
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class SRA_FM_MM<bits<10> funct, bit rotate> : MMArch {
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bits<5> rd;
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bits<5> rt;
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bits<5> shamt;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = rd;
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let Inst{20-16} = rt;
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let Inst{15-11} = shamt;
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let Inst{10} = rotate;
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let Inst{9-0} = funct;
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}
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class SRLV_FM_MM<bits<10> funct, bit rotate> : MMArch {
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bits<5> rd;
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bits<5> rt;
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bits<5> rs;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = rd;
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let Inst{10} = rotate;
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let Inst{9-0} = funct;
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}
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class LW_FM_MM<bits<6> op> : MMArch {
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bits<5> rt;
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bits<21> addr;
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bits<32> Inst;
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let Inst{31-26} = op;
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let Inst{25-21} = rt;
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let Inst{20-16} = addr{20-16};
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let Inst{15-0} = addr{15-0};
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}
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class LWL_FM_MM<bits<4> funct> {
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bits<5> rt;
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bits<21> addr;
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bits<32> Inst;
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let Inst{31-26} = 0x18;
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let Inst{25-21} = rt;
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let Inst{20-16} = addr{20-16};
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let Inst{15-12} = funct;
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let Inst{11-0} = addr{11-0};
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}
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class CMov_F_I_FM_MM<bits<7> func> : MMArch {
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bits<5> rd;
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bits<5> rs;
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bits<3> fcc;
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bits<32> Inst;
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let Inst{31-26} = 0x15;
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let Inst{25-21} = rd;
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let Inst{20-16} = rs;
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let Inst{15-13} = fcc;
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let Inst{12-6} = func;
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let Inst{5-0} = 0x3b;
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}
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class MTLO_FM_MM<bits<10> funct> : MMArch {
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bits<5> rs;
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-21} = 0x00;
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let Inst{20-16} = rs;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0x3c;
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}
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class MFLO_FM_MM<bits<10> funct> : MMArch {
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bits<5> rd;
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-21} = 0x00;
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let Inst{20-16} = rd;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0x3c;
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}
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class CLO_FM_MM<bits<10> funct> : MMArch {
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bits<5> rd;
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bits<5> rs;
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-21} = rd;
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let Inst{20-16} = rs;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0x3c;
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}
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class SEB_FM_MM<bits<10> funct> : MMArch {
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bits<5> rd;
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bits<5> rt;
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-21} = rd;
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let Inst{20-16} = rt;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0x3c;
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}
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class EXT_FM_MM<bits<6> funct> : MMArch {
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bits<5> rt;
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bits<5> rs;
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bits<5> pos;
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bits<5> size;
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = size;
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let Inst{10-6} = pos;
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let Inst{5-0} = funct;
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}
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