http://llvm.org/bugs/show_bug.cgi?id=19426
Bug ID: 19426
Summary: AArch64/ARM64: Investigate AArch64/ARM64 ideas of
fastcc
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Backend: AArch64
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
AArch64 seems to implement a much more aggressive fastcc than ARM64 which
allows tail call optimisations to be applied in more circumstances.
We need to sort out what the best behaviour here is (including whether anyone
is actually using fastcc and relying on some particular behaviour).
Seems like it could be a fairly long task, so I'm filing this as a separate
issue.
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