http://llvm.org/bugs/show_bug.cgi?id=5998
Summary: thumb2 UBFX not generated
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=4027)
--> (http://llvm.org/bugs/attachment.cgi?id=4027)
SBFX and UBFX test
Although the signed bit-field extract pattern appears to match and generate,
the unsigned version does not. The attached test file has three test
functions. The first shows the SBFX generation working and the last two show
UBFX not working. The first and second test function differ only in sext vs.
zext.
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