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| author | Mihai Popa <mihail.popa@gmail.com> | 2013-07-03 09:21:44 +0000 |
|---|---|---|
| committer | Mihai Popa <mihail.popa@gmail.com> | 2013-07-03 09:21:44 +0000 |
| commit | b81b477cd4392a51112c3af0659ea9fc176e74f1 (patch) | |
| tree | cf756fe65576dcd08809d3b7db34079776a0a7bc /lib/Target/ARM/InstPrinter | |
| parent | a10c01a6c62792be825c562314a646437b21bfec (diff) | |
| download | external_llvm-b81b477cd4392a51112c3af0659ea9fc176e74f1.zip external_llvm-b81b477cd4392a51112c3af0659ea9fc176e74f1.tar.gz external_llvm-b81b477cd4392a51112c3af0659ea9fc176e74f1.tar.bz2 | |
This corrects the implementation of Thumb ADR instruction. There are three issues:
1. it should accept only 4-byte aligned addresses
2. the maximum offset should be 1020
3. it should be encoded with the offset scaled by two bits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185528 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/InstPrinter')
| -rw-r--r-- | lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp | 3 | ||||
| -rw-r--r-- | lib/Target/ARM/InstPrinter/ARMInstPrinter.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp index 1797c6c..97da232 100644 --- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp +++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp @@ -900,6 +900,7 @@ void ARMInstPrinter::printPCLabel(const MCInst *MI, unsigned OpNum, llvm_unreachable("Unhandled PC-relative pseudo-instruction!"); } +template<unsigned scale> void ARMInstPrinter::printAdrLabelOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O) { const MCOperand &MO = MI->getOperand(OpNum); @@ -909,7 +910,7 @@ void ARMInstPrinter::printAdrLabelOperand(const MCInst *MI, unsigned OpNum, return; } - int32_t OffImm = (int32_t)MO.getImm(); + int32_t OffImm = (int32_t)MO.getImm() << scale; O << markup("<imm:"); if (OffImm == INT32_MIN) diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h index a3ea640..15ae8d1 100644 --- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h +++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h @@ -76,6 +76,7 @@ public: void printPKHLSLShiftImm(const MCInst *MI, unsigned OpNum, raw_ostream &O); void printPKHASRShiftImm(const MCInst *MI, unsigned OpNum, raw_ostream &O); + template <unsigned scale> void printAdrLabelOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); void printThumbS4ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); void printThumbSRImm(const MCInst *MI, unsigned OpNum, raw_ostream &O); |