diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 6ec78bc..384b98c 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -980,6 +980,9 @@ def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm), let Inst{25} = 1; } +def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>, + Requires<[IsARM, HasV6T2]>; + let Uses = [CPSR] in def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi, "mov", " $dst, $src, rrx", @@ -1580,10 +1583,17 @@ def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS), def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS), (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)), (so_imm2part_2 imm:$RHS))>; +def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS), + (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)), + (so_imm2part_2 imm:$RHS))>; +def : ARMPat<(sub GPR:$LHS, so_imm2part:$RHS), + (SUBri (SUBri GPR:$LHS, (so_imm2part_1 imm:$RHS)), + (so_imm2part_2 imm:$RHS))>; // 32-bit immediate using movw + movt. -// This is a single pseudo instruction to make it re-materializable. Remove -// when we can do generalized remat. +// This is a single pseudo instruction, the benefit is that it can be remat'd +// as a single unit instead of having to handle reg inputs. +// FIXME: Remove this when we can do generalized remat. let isReMaterializable = 1 in def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi, "movw", " $dst, ${src:lo16}\n\tmovt${p} $dst, ${src:hi16}", |
