diff options
| author | Jim Grosbach <grosbach@apple.com> | 2010-12-08 22:50:19 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-12-08 22:50:19 +0000 |
| commit | b76dfe06d9eb42a4b7ffbb02997a2a8eead4faa1 (patch) | |
| tree | db02be431e90fd8d8b5c38a436bf4bc3291a7b31 /lib | |
| parent | 7c6d85a98102add1994b612a707a379b8123c34b (diff) | |
| download | llvm-b76dfe06d9eb42a4b7ffbb02997a2a8eead4faa1.tar.gz llvm-b76dfe06d9eb42a4b7ffbb02997a2a8eead4faa1.tar.bz2 llvm-b76dfe06d9eb42a4b7ffbb02997a2a8eead4faa1.tar.xz | |
Add operand encoding for Thumb2 addw SP + imm. rdar://8745434
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121305 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 5a36797216..066e601ea7 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -1152,14 +1152,18 @@ def t2ADDrSPi : T2sTwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, t2_so_imm:$imm), let Inst{19-16} = 0b1101; // Rn = sp let Inst{15} = 0; } -def t2ADDrSPi12 : T2TwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, imm0_4095:$imm), +def t2ADDrSPi12 : T2I<(outs GPR:$Rd), (ins GPR:$sp, imm0_4095:$imm), IIC_iALUi, "addw", "\t$Rd, $sp, $imm", []> { + bits<4> Rd; + bits<12> imm; let Inst{31-27} = 0b11110; - let Inst{25} = 1; - let Inst{24-21} = 0b0000; - let Inst{20} = 0; // The S bit. + let Inst{26} = imm{11}; + let Inst{25-20} = 0b100000; 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}; } // ADD r, sp, so_reg |