diff options
| author | Jim Grosbach <grosbach@apple.com> | 2010-12-08 23:12:09 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-12-08 23:12:09 +0000 |
| commit | 37474e6d68b42b0d1f4299c8588893bfaa3d0d09 (patch) | |
| tree | 76df99fbd5bd82e6738c2fad7a057d5f0aa02c18 | |
| parent | 07e9b26371c1045a5b1dde55fcaa8e2753eb0377 (diff) | |
Add operand encoding for Thumb2 subw SP + imm. rdar://8745434
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121310 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 6e71dcb669..108a96e4d0 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -1195,12 +1195,16 @@ def t2SUBrSPi : T2sTwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, t2_so_imm:$imm), } def t2SUBrSPi12 : T2TwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, imm0_4095:$imm), IIC_iALUi, "subw", "\t$Rd, $sp, $imm", []> { + bits<4> Rd; + bits<12> imm; let Inst{31-27} = 0b11110; - let Inst{25} = 1; - let Inst{24-21} = 0b0101; - let Inst{20} = 0; // The S bit. + let Inst{26} = imm{11}; + let Inst{25-20} = 0b101010; let Inst{19-16} = 0b1101; // Rn = sp let Inst{15} = 0; + let Inst{14-12} = imm{10-8}; + let Inst{11-8} = Rd; + let Inst{7-0} = imm{7-0}; } // SUB r, sp, so_reg |