http://llvm.org/bugs/show_bug.cgi?id=5668
Summary: thumb2 folding of constant addresses unhelpful
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Backend: ARM
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=3907)
--> (http://llvm.org/bugs/attachment.cgi?id=3907)
test case
When addresses are a displacement from a constant (this can happen in device
drivers), the resulting address gets folded rather than using base+displacement
addressing. This results in code bloat.
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