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| author | Jim Grosbach <grosbach@apple.com> | 2012-03-30 21:54:22 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2012-03-30 21:54:22 +0000 |
| commit | bf3c322640fdaf6e4a60a59ed8cb108a7f6685ad (patch) | |
| tree | e0c25a6613da15eb46bf91459b64b4b174426b3b /lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp | |
| parent | c19f72bd83e8cb2cc31257008ee9d7797dbf3dbb (diff) | |
| download | external_llvm-bf3c322640fdaf6e4a60a59ed8cb108a7f6685ad.zip external_llvm-bf3c322640fdaf6e4a60a59ed8cb108a7f6685ad.tar.gz external_llvm-bf3c322640fdaf6e4a60a59ed8cb108a7f6685ad.tar.bz2 | |
ARM fix encoding fixup resolution for ldrd and friends.
The 8-bit payload is not contiguous in the opcode. Move the upper nibble
over 4 bits into the correct place.
rdar://11158641
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153780 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp')
| -rw-r--r-- | lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp b/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp index 3ba891d..5f2138d 100644 --- a/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp +++ b/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp @@ -469,7 +469,9 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) { Value = -Value; isAdd = false; } + // The value has the low 4 bits encoded in [3:0] and the high 4 in [11:8]. assert ((Value < 256) && "Out of range pc-relative fixup value!"); + Value = (Value & 0xf) | ((Value & 0xf0) << 4); return Value | (isAdd << 23); } case ARM::fixup_arm_pcrel_10: |