[LLVMbugs] [Bug 13537] New: llvm-mc incorrectly assembles ADR instructions for ARM
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Mon Aug 6 10:29:03 PDT 2012
http://llvm.org/bugs/show_bug.cgi?id=13537
Bug #: 13537
Summary: llvm-mc incorrectly assembles ADR instructions for ARM
Product: tools
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: llvm-as
AssignedTo: unassignedbugs at nondot.org
ReportedBy: gregf at codeaurora.org
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
For the ARMv7 instruction set, llvm-mc should not store the bottom 2 bits of
the immediate in an ADR instruction. When assembling, it
should divide the immediate by 4 and store the result. Se A8.8.12, Encoding T1
in the ARMv7-A reference manual.
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