diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 74 |
1 files changed, 39 insertions, 35 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 95ab0f1..b602a8b 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1352,39 +1352,41 @@ let isBranch = 1, isTerminator = 1 in { def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br, "b\t$target", [(br bb:$target)]>; - let isNotDuplicable = 1, isIndirectBranch = 1 in { - def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id), - IIC_Br, "mov\tpc, $target$jt", - [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> { - let Inst{11-4} = 0b00000000; - let Inst{15-12} = 0b1111; - let Inst{20} = 0; // S Bit - let Inst{24-21} = 0b1101; - let Inst{27-25} = 0b000; - } - def BR_JTm : JTI<(outs), - (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id), - IIC_Br, "ldr\tpc, $target$jt", - [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt, - imm:$id)]> { - let Inst{15-12} = 0b1111; - let Inst{20} = 1; // L bit - let Inst{21} = 0; // W bit - let Inst{22} = 0; // B bit - let Inst{24} = 1; // P bit - let Inst{27-25} = 0b011; - } - def BR_JTadd : JTI<(outs), - (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id), - IIC_Br, "add\tpc, $target, $idx$jt", - [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt, - imm:$id)]> { - let Inst{15-12} = 0b1111; - let Inst{20} = 0; // S bit - let Inst{24-21} = 0b0100; - let Inst{27-25} = 0b000; - } - } // isNotDuplicable = 1, isIndirectBranch = 1 + let isNotDuplicable = 1, isIndirectBranch = 1, + // FIXME: $imm field is not specified by asm string. Mark as cgonly. + isCodeGenOnly = 1 in { + def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id), + IIC_Br, "mov\tpc, $target$jt", + [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> { + let Inst{11-4} = 0b00000000; + let Inst{15-12} = 0b1111; + let Inst{20} = 0; // S Bit + let Inst{24-21} = 0b1101; + let Inst{27-25} = 0b000; + } + def BR_JTm : JTI<(outs), + (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id), + IIC_Br, "ldr\tpc, $target$jt", + [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt, + imm:$id)]> { + let Inst{15-12} = 0b1111; + let Inst{20} = 1; // L bit + let Inst{21} = 0; // W bit + let Inst{22} = 0; // B bit + let Inst{24} = 1; // P bit + let Inst{27-25} = 0b011; + } + def BR_JTadd : JTI<(outs), + (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id), + IIC_Br, "add\tpc, $target, $idx$jt", + [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt, + imm:$id)]> { + let Inst{15-12} = 0b1111; + let Inst{20} = 0; // S bit + let Inst{24-21} = 0b0100; + let Inst{27-25} = 0b000; + } + } // isNotDuplicable = 1, isIndirectBranch = 1 } // isBarrier = 1 // FIXME: should be able to write a pattern for ARMBrcond, but can't use @@ -1494,7 +1496,8 @@ def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr", [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>; -let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in { +let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1, + isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring? // Load doubleword def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr", @@ -1595,7 +1598,8 @@ def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, [(truncstorei16 GPR:$src, addrmode3:$addr)]>; // Store doubleword -let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in +let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1, + isCodeGenOnly = 1 in // $src2 doesn't exist in asm string def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr), StMiscFrm, IIC_iStore_d_r, "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>; |