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Correct encoding of BL with immediate offset.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2011-08-26 22:54:51 +00:00
parent 4af54a461f
commit d7568e1c35
2 changed files with 12 additions and 5 deletions
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15
lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
View File

@ -532,11 +532,16 @@ getBranchTargetOpValue(const MCInst &MI, unsigned OpIdx,
uint32_t ARMMCCodeEmitter::
getARMBranchTargetOpValue(const MCInst &MI, unsigned OpIdx,
SmallVectorImpl<MCFixup> &Fixups) const {
if (HasConditionalBranch(MI))
return ::getBranchTargetOpValue(MI, OpIdx,
ARM::fixup_arm_condbranch, Fixups);
return ::getBranchTargetOpValue(MI, OpIdx,
ARM::fixup_arm_uncondbranch, Fixups);
const MCOperand MO = MI.getOperand(OpIdx);
if (MO.isExpr()) {
if (HasConditionalBranch(MI))
return ::getBranchTargetOpValue(MI, OpIdx,
ARM::fixup_arm_condbranch, Fixups);
return ::getBranchTargetOpValue(MI, OpIdx,
ARM::fixup_arm_uncondbranch, Fixups);
}
return MO.getImm() >> 2;
}

2
test/MC/ARM/basic-arm-instructions.s
View File

@ -363,11 +363,13 @@ Lforward:
bl _bar
blx _bar
blls #28634268
@ CHECK: bl _bar @ encoding: [A,A,A,0xeb]
@ CHECK: @ fixup A - offset: 0, value: _bar, kind: fixup_arm_uncondbranch
@ CHECK: blx _bar @ encoding: [A,A,A,0xfa]
@ fixup A - offset: 0, value: _bar, kind: fixup_arm_uncondbranch
@ CHECK: blls #28634268 @ encoding: [0x27,0x3b,0x6d,0x9b]
@------------------------------------------------------------------------------
@ BLX (register)