[llvm-bugs] [Bug 39049] New: Avoid relocations in position independent code by storing offset of program counter

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=39049

            Bug ID: 39049
           Summary: Avoid relocations in position independent code by
                    storing offset of program counter
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: slandden at gmail.com
                CC: llvm-bugs at lists.llvm.org

The offset at which position independent code was loading is always stored in
the program counter, and a simple addition/subtraction with a constant could be
used instead of a relocation table that slows down program load. This will
require an additional instruction at the call site, so a collaboration between
llvm and lld.

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