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| author | Jim Grosbach <grosbach@apple.com> | 2010-12-10 21:05:07 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-12-10 21:05:07 +0000 |
| commit | 90cc533fda9742f5c67203f97e69e5efd270c676 (patch) | |
| tree | 5709105b49bf8007daa70ac6d9024b5e3c922b30 | |
| parent | 683fc3e9afeda5178ab0644f4ba299715f53a7c8 (diff) | |
| download | external_llvm-90cc533fda9742f5c67203f97e69e5efd270c676.zip external_llvm-90cc533fda9742f5c67203f97e69e5efd270c676.tar.gz external_llvm-90cc533fda9742f5c67203f97e69e5efd270c676.tar.bz2 | |
Fix encoding of 'U' bit for Thumb2 STRD/LDRD instructions. rdar://8755726
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121524 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMMCCodeEmitter.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMMCCodeEmitter.cpp b/lib/Target/ARM/ARMMCCodeEmitter.cpp index bf869f7..df28a99 100644 --- a/lib/Target/ARM/ARMMCCodeEmitter.cpp +++ b/lib/Target/ARM/ARMMCCodeEmitter.cpp @@ -552,9 +552,9 @@ getAddrModeImm12OpValue(const MCInst &MI, unsigned OpIdx, uint32_t ARMMCCodeEmitter:: getT2AddrModeImm8s4OpValue(const MCInst &MI, unsigned OpIdx, SmallVectorImpl<MCFixup> &Fixups) const { - // {17-13} = reg - // {12} = (U)nsigned (add == '1', sub == '0') - // {11-0} = imm8 + // {12-9} = reg + // {8} = (U)nsigned (add == '1', sub == '0') + // {7-0} = imm8 unsigned Reg, Imm8; bool isAdd = true; // If The first operand isn't a register, we have a label reference. @@ -576,7 +576,7 @@ getT2AddrModeImm8s4OpValue(const MCInst &MI, unsigned OpIdx, uint32_t Binary = (Imm8 >> 2) & 0xff; // Immediate is always encoded as positive. The 'U' bit controls add vs sub. if (isAdd) - Binary |= (1 << 9); + Binary |= (1 << 8); Binary |= (Reg << 9); return Binary; } |