diff options
| author | Jim Grosbach <grosbach@apple.com> | 2010-11-18 21:43:37 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-11-18 21:43:37 +0000 |
| commit | c884aff5f4d431b31b5f85ce8a208dba30bd72df (patch) | |
| tree | c909135e23accd7749db9758613ef9f3b666fbb1 /lib | |
| parent | 181b76d5039194b9ffa8569e3703c9a028671095 (diff) | |
Add ARM encoding information for LDRH post-increment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119743 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrFormats.td | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td index fd61e9c062..f5eb470a3f 100644 --- a/lib/Target/ARM/ARMInstrFormats.td +++ b/lib/Target/ARM/ARMInstrFormats.td @@ -684,14 +684,20 @@ class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin, string opc, string asm, string cstr, list<dag> pattern> : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin, opc, asm, cstr,pattern> { - let Inst{4} = 1; - let Inst{5} = 1; // H bit - let Inst{6} = 0; // S bit - let Inst{7} = 1; - let Inst{20} = 1; // L bit - let Inst{21} = 0; // W bit - let Inst{24} = 0; // P bit + bits<10> offset; + bits<4> Rt; + bits<4> Rn; let Inst{27-25} = 0b000; + let Inst{24} = 0; // P bit + let Inst{23} = offset{8}; // U bit + let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm + let Inst{21} = 0; // W bit + let Inst{20} = 1; // L bit + let Inst{19-16} = Rn; // Rn + let Inst{15-12} = Rt; // Rt + let Inst{11-8} = offset{7-4}; // imm7_4/zero + let Inst{7-4} = 0b1011; + let Inst{3-0} = offset{3-0}; // imm3_0/Rm } class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin, string opc, string asm, string cstr, list<dag> pattern> |