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| author | Owen Anderson <resistor@mac.com> | 2011-08-30 22:10:03 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2011-08-30 22:10:03 +0000 |
| commit | a7710edd98d71a81c43f8e3889cf0c790885d1b8 (patch) | |
| tree | d9e48d749c124c569ee39b2965b161acaaeb71aa | |
| parent | 391ac65377f2ad5e48a796e75120959e22430605 (diff) | |
Fix encoding of PC-relative Thumb1 LDR's when using immediate offsets instead of labels.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138835 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp | 5 | ||||
| -rw-r--r-- | test/MC/ARM/basic-thumb-instructions.s | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp index b798a3c226..ab2162cbeb 100644 --- a/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp +++ b/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp @@ -930,7 +930,10 @@ getAddrModeISOpValue(const MCInst &MI, unsigned OpIdx, uint32_t ARMMCCodeEmitter:: getAddrModePCOpValue(const MCInst &MI, unsigned OpIdx, SmallVectorImpl<MCFixup> &Fixups) const { - return ::getBranchTargetOpValue(MI, OpIdx, ARM::fixup_arm_thumb_cp, Fixups); + const MCOperand MO = MI.getOperand(OpIdx); + if (MO.isExpr()) + return ::getBranchTargetOpValue(MI, OpIdx, ARM::fixup_arm_thumb_cp, Fixups); + return (MO.getImm() >> 2); } /// getAddrMode5OpValue - Return encoding info for 'reg +/- imm10' operand. diff --git a/test/MC/ARM/basic-thumb-instructions.s b/test/MC/ARM/basic-thumb-instructions.s index 0e9eebdb11..54d353e0c3 100644 --- a/test/MC/ARM/basic-thumb-instructions.s +++ b/test/MC/ARM/basic-thumb-instructions.s @@ -224,10 +224,13 @@ _func: @ LDR (literal) @------------------------------------------------------------------------------ ldr r1, _foo + ldr r3, #604 + ldr r3, #368 @ CHECK: ldr r1, _foo @ encoding: [A,0x49] @ fixup A - offset: 0, value: _foo, kind: fixup_arm_thumb_cp - +@ CHECK: ldr r3, #604 @ encoding: [0x97,0x4b] +@ CHECK: ldr r3, #368 @ encoding: [0x5c,0x4b] @------------------------------------------------------------------------------ @ LDR (register) |