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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 | 913cc3072d0500667444fbfdfed6c43d431d7f3f (patch) | |
| tree | 4efac27171d116c8d2b8ed19a7dea9010824938d /llvm/lib | |
| parent | 185f2edd70a34d28b305df0cd8ce519ecbca2cfd (diff) | |
| download | bcm5719-llvm-913cc3072d0500667444fbfdfed6c43d431d7f3f.tar.gz bcm5719-llvm-913cc3072d0500667444fbfdfed6c43d431d7f3f.zip | |
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
llvm-svn: 153780
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp index 3ba891da4f7..5f2138d5de9 100644 --- a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp +++ b/llvm/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: |
