diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index e780b8aae74..bc980cdf4fb 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -1931,11 +1931,16 @@ def : T2Pat<(add GPR:$src, t2_so_imm_neg:$imm), (t2SUBri GPR:$src, t2_so_imm_neg:$imm)>; def : T2Pat<(add GPR:$src, imm0_4095_neg:$imm), (t2SUBri12 GPR:$src, imm0_4095_neg:$imm)>; +def : T2Pat<(add GPR:$src, imm0_65535_neg:$imm), + (t2SUBrr GPR:$src, (t2MOVi16 (imm_neg_XFORM imm:$imm)))>; + let AddedComplexity = 1 in def : T2Pat<(ARMaddc rGPR:$src, imm0_255_neg:$imm), (t2SUBSri rGPR:$src, imm0_255_neg:$imm)>; def : T2Pat<(ARMaddc rGPR:$src, t2_so_imm_neg:$imm), (t2SUBSri rGPR:$src, t2_so_imm_neg:$imm)>; +def : T2Pat<(ARMaddc rGPR:$src, imm0_65535_neg:$imm), + (t2SUBSrr rGPR:$src, (t2MOVi16 (imm_neg_XFORM imm:$imm)))>; // The with-carry-in form matches bitwise not instead of the negation. // Effectively, the inverse interpretation of the carry flag already accounts // for part of the negation. @@ -1944,6 +1949,8 @@ def : T2Pat<(ARMadde rGPR:$src, imm0_255_not:$imm, CPSR), (t2SBCri rGPR:$src, imm0_255_not:$imm)>; def : T2Pat<(ARMadde rGPR:$src, t2_so_imm_not:$imm, CPSR), (t2SBCri rGPR:$src, t2_so_imm_not:$imm)>; +def : T2Pat<(ARMadde rGPR:$src, imm0_65535_neg:$imm, CPSR), + (t2SBCrr rGPR:$src, (t2MOVi16 (imm_neg_XFORM imm:$imm)))>; // Select Bytes -- for disassembly only |
