http://llvm.org/bugs/show_bug.cgi?id=19455
Bug ID: 19455
Summary: ARM64 (not AArch64) backend emits several GNU-as
incompatible expressions
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: AArch64
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
The new ARM64 back-end emits a few things which work internally but aren't
compatible with the GNU assembler.
In particular it passes x-registers rather than w-registers to the uxtw and
sxtw instructions and address operands.
It also emits .loh, and .subsections_via_symbols. I don't know if these can be
considered bugs if they're necessary for the proper operation of the assembler
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