diff options
Diffstat (limited to 'lib/Target/Mips/MicroMipsInstrFormats.td')
| -rw-r--r-- | lib/Target/Mips/MicroMipsInstrFormats.td | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/lib/Target/Mips/MicroMipsInstrFormats.td b/lib/Target/Mips/MicroMipsInstrFormats.td index 15b951d..59bf949 100644 --- a/lib/Target/Mips/MicroMipsInstrFormats.td +++ b/lib/Target/Mips/MicroMipsInstrFormats.td @@ -41,6 +41,95 @@ class MicroMipsInst16<dag outs, dag ins, string asmstr, list<dag> pattern, // MicroMIPS 16-bit Instruction Formats //===----------------------------------------------------------------------===// +class ARITH_FM_MM16<bit funct> { + bits<3> rd; + bits<3> rt; + bits<3> rs; + + bits<16> Inst; + + let Inst{15-10} = 0x01; + let Inst{9-7} = rd; + let Inst{6-4} = rt; + let Inst{3-1} = rs; + let Inst{0} = funct; +} + +class ANDI_FM_MM16<bits<6> funct> { + bits<3> rd; + bits<3> rs; + bits<4> imm; + + bits<16> Inst; + + let Inst{15-10} = funct; + let Inst{9-7} = rd; + let Inst{6-4} = rs; + let Inst{3-0} = imm; +} + +class LOGIC_FM_MM16<bits<4> funct> { + bits<3> rt; + bits<3> rs; + + bits<16> Inst; + + let Inst{15-10} = 0x11; + let Inst{9-6} = funct; + let Inst{5-3} = rt; + let Inst{2-0} = rs; +} + +class SHIFT_FM_MM16<bits<1> funct> { + bits<3> rd; + bits<3> rt; + bits<3> shamt; + + bits<16> Inst; + + let Inst{15-10} = 0x09; + let Inst{9-7} = rd; + let Inst{6-4} = rt; + let Inst{3-1} = shamt; + let Inst{0} = funct; +} + +class ADDIUR2_FM_MM16 { + bits<3> rd; + bits<3> rs; + bits<3> imm; + + bits<16> Inst; + + let Inst{15-10} = 0x1b; + let Inst{9-7} = rd; + let Inst{6-4} = rs; + let Inst{3-1} = imm; + let Inst{0} = 0; +} + +class ADDIUS5_FM_MM16 { + bits<5> rd; + bits<4> imm; + + bits<16> Inst; + + let Inst{15-10} = 0x13; + let Inst{9-5} = rd; + let Inst{4-1} = imm; + let Inst{0} = 0; +} + +class ADDIUSP_FM_MM16 { + bits<9> imm; + + bits<16> Inst; + + let Inst{15-10} = 0x13; + let Inst{9-1} = imm; + let Inst{0} = 1; +} + class MOVE_FM_MM16<bits<6> funct> { bits<5> rs; bits<5> rd; @@ -52,6 +141,17 @@ class MOVE_FM_MM16<bits<6> funct> { let Inst{4-0} = rs; } +class LI_FM_MM16 { + bits<3> rd; + bits<7> imm; + + bits<16> Inst; + + let Inst{15-10} = 0x3b; + let Inst{9-7} = rd; + let Inst{6-0} = imm; +} + class JALR_FM_MM16<bits<5> op> { bits<5> rs; @@ -72,6 +172,29 @@ class MFHILO_FM_MM16<bits<5> funct> { let Inst{4-0} = rd; } +class JRADDIUSP_FM_MM16<bits<5> op> { + bits<5> rs; + bits<5> imm; + + bits<16> Inst; + + let Inst{15-10} = 0x11; + let Inst{9-5} = op; + let Inst{4-0} = imm; +} + +class ADDIUR1SP_FM_MM16 { + bits<3> rd; + bits<6> imm; + + bits<16> Inst; + + let Inst{15-10} = 0x1b; + let Inst{9-7} = rd; + let Inst{6-1} = imm; + let Inst{0} = 1; +} + //===----------------------------------------------------------------------===// // MicroMIPS 32-bit Instruction Formats //===----------------------------------------------------------------------===// @@ -621,3 +744,76 @@ class MADDS_FM_MM<bits<6> funct>: MMArch { let Inst{10-6} = fr; let Inst{5-0} = funct; } + +class COMPACT_BRANCH_FM_MM<bits<5> funct> { + bits<5> rs; + bits<16> offset; + + bits<32> Inst; + + let Inst{31-26} = 0x10; + let Inst{25-21} = funct; + let Inst{20-16} = rs; + let Inst{15-0} = offset; +} + +class COP0_TLB_FM_MM<bits<10> op> : MMArch { + bits<32> Inst; + + let Inst{31-26} = 0x0; + let Inst{25-16} = 0x0; + let Inst{15-6} = op; + let Inst{5-0} = 0x3c; +} + +class SDBBP_FM_MM : MMArch { + bits<10> code_; + + bits<32> Inst; + + let Inst{31-26} = 0x0; + let Inst{25-16} = code_; + let Inst{15-6} = 0x36d; + let Inst{5-0} = 0x3c; +} + +class RDHWR_FM_MM : MMArch { + bits<5> rt; + bits<5> rd; + + bits<32> Inst; + + let Inst{31-26} = 0x0; + let Inst{25-21} = rt; + let Inst{20-16} = rd; + let Inst{15-6} = 0x1ac; + let Inst{5-0} = 0x3c; +} + +class LWXS_FM_MM<bits<10> funct> { + bits<5> rd; + bits<5> base; + bits<5> index; + + bits<32> Inst; + + let Inst{31-26} = 0x0; + let Inst{25-21} = index; + let Inst{20-16} = base; + let Inst{15-11} = rd; + let Inst{10} = 0; + let Inst{9-0} = funct; +} + +class LWM_FM_MM<bits<4> funct> : MMArch { + bits<5> rt; + bits<21> addr; + + bits<32> Inst; + + let Inst{31-26} = 0x8; + let Inst{25-21} = rt; + let Inst{20-16} = addr{20-16}; + let Inst{15-12} = funct; + let Inst{11-0} = addr{11-0}; +} |