diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td | 15 | ||||
| -rw-r--r-- | llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td | 4 | ||||
| -rw-r--r-- | llvm/lib/Target/Mips/MipsInstrInfo.td | 2 |
3 files changed, 21 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td b/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td index 8b15f6df48f..187a022b256 100644 --- a/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td +++ b/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td @@ -272,3 +272,18 @@ class EIDI_MMR6_ENC<string instr_asm, bits<10> funct> : MMR6Arch<instr_asm> { let Inst{15-6} = funct; let Inst{5-0} = 0x3c; } + +class SHIFT_MMR6_ENC<string instr_asm, bits<10> funct, bit rotate> : MMR6Arch<instr_asm> { + bits<5> rd; + bits<5> rt; + bits<5> shamt; + + bits<32> Inst; + + let Inst{31-26} = 0; + let Inst{25-21} = rd; + let Inst{20-16} = rt; + let Inst{15-11} = shamt; + let Inst{10} = rotate; + let Inst{9-0} = funct; +} diff --git a/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td b/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td index 769c0bbebe3..53bde1379e2 100644 --- a/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td +++ b/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td @@ -63,6 +63,7 @@ class SEB_MMR6_ENC : SIGN_EXTEND_FM_MMR6<"seb", 0b0010101100>; class SEH_MMR6_ENC : SIGN_EXTEND_FM_MMR6<"seh", 0b0011101100>; class SELEQZ_MMR6_ENC : POOL32A_FM_MMR6<0b0101000000>; class SELNEZ_MMR6_ENC : POOL32A_FM_MMR6<0b0110000000>; +class SLL_MMR6_ENC : SHIFT_MMR6_ENC<"sll", 0x00, 0b0>; class SUB_MMR6_ENC : ARITH_FM_MMR6<"sub", 0x190>; class SUBU_MMR6_ENC : ARITH_FM_MMR6<"subu", 0x1d0>; class XOR_MMR6_ENC : ARITH_FM_MMR6<"xor", 0x310>; @@ -263,6 +264,7 @@ class SELEQNE_Z_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> class SELEQZ_MMR6_DESC : SELEQNE_Z_MMR6_DESC_BASE<"seleqz", GPR32Opnd>; class SELNEZ_MMR6_DESC : SELEQNE_Z_MMR6_DESC_BASE<"selnez", GPR32Opnd>; +class SLL_MMR6_DESC : shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL>; class DIV_MMR6_DESC : ArithLogicR<"div", GPR32Opnd>; class DIVU_MMR6_DESC : ArithLogicR<"divu", GPR32Opnd>; class MOD_MMR6_DESC : ArithLogicR<"mod", GPR32Opnd>; @@ -341,6 +343,7 @@ def SELEQZ_MMR6 : R6MMR6Rel, SELEQZ_MMR6_ENC, SELEQZ_MMR6_DESC, ISA_MICROMIPS32R6; def SELNEZ_MMR6 : R6MMR6Rel, SELNEZ_MMR6_ENC, SELNEZ_MMR6_DESC, ISA_MICROMIPS32R6; +def SLL_MMR6 : StdMMR6Rel, SLL_MMR6_DESC, SLL_MMR6_ENC, ISA_MICROMIPS32R6; def SUB_MMR6 : StdMMR6Rel, SUB_MMR6_DESC, SUB_MMR6_ENC, ISA_MICROMIPS32R6; def SUBU_MMR6 : StdMMR6Rel, SUBU_MMR6_DESC, SUBU_MMR6_ENC, ISA_MICROMIPS32R6; def XOR_MMR6 : StdMMR6Rel, XOR_MMR6_DESC, XOR_MMR6_ENC, ISA_MICROMIPS32R6; @@ -354,3 +357,4 @@ def XORI_MMR6 : StdMMR6Rel, XORI_MMR6_DESC, XORI_MMR6_ENC, ISA_MICROMIPS32R6; //===----------------------------------------------------------------------===// def : MipsInstAlias<"ei", (EI_MMR6 ZERO), 1>, ISA_MICROMIPS32R6; +def : MipsInstAlias<"nop", (SLL_MMR6 ZERO, ZERO, 0), 1>, ISA_MICROMIPS32R6; diff --git a/llvm/lib/Target/Mips/MipsInstrInfo.td b/llvm/lib/Target/Mips/MipsInstrInfo.td index d7e844a2d89..ab98c9054e7 100644 --- a/llvm/lib/Target/Mips/MipsInstrInfo.td +++ b/llvm/lib/Target/Mips/MipsInstrInfo.td @@ -1611,7 +1611,9 @@ def : MipsInstAlias<"or $rs, $rt, $imm", (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>; def : MipsInstAlias<"or $rs, $imm", (ORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>; +let AdditionalPredicates = [NotInMicroMips] in { def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>; +} def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, COP0Opnd:$rd, 0), 0>; def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 COP0Opnd:$rd, GPR32Opnd:$rt, 0), 0>; def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, COP2Opnd:$rd, 0), 0>; |
