fzou1 wrote: > > > > Suppress EGPR/NDD instructions for relocations to avoid APX relocation > > > > types emitted. This is to keep backward compatibility with old version > > > > of ld and other linkers without APX support. If there are APX > > > > relocation types, old version of linkers would raise "unsupported > > > > relocation type" error. Example: > > > > ``` > > > > $ llvm-mc -filetype=obj -o got.o -triple=x86_64-unknown-linux got.s > > > > $ ld got.o -o got.exe > > > > ld: got.o: unsupported relocation type 0x2b > > > > ... > > > > > > > > $ cat got.s > > > > ... > > > > movq foo@GOTPCREL(%rip), %r16 > > > > > > > > $ llvm-objdump -dr got.o > > > > ... > > > > 1: d5 48 8b 05 00 00 00 00 movq (%rip), %r16 > > > > 0000000000000005: R_X86_64_CODE_4_GOTPCRELX foo-0x4 > > > > ``` > > > > > > > > > Could you add who is the user for such request: LLVM + APX + old BFD > > > linker? The code looks like a dirty workaround. I expect a real user. > > > > > > Agree. But without this, users cannot try APX features with LLVM + old > > builtin linker on RHEL9 OS which is expected to be EOL in 2032. > > Okay, can you add this info into description of this PR?
Updated. Thanks. https://github.com/llvm/llvm-project/pull/136660 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits