[all-commits] [llvm/llvm-project] f39696: Sparc: Remove fixup kinds and specifiers for H44/M...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f39696e7dee4f1dce8c10d2b17f987643c480895
      https://github.com/llvm/llvm-project/commit/f39696e7dee4f1dce8c10d2b17f987643c480895
  Author: Fangrui Song <i at maskray.me>
  Date:   2025-05-04 (Sun, 04 May 2025)

  Changed paths:
    M llvm/lib/MC/MCAssembler.cpp
    M llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
    M llvm/lib/Target/Sparc/MCTargetDesc/SparcELFObjectWriter.cpp
    M llvm/lib/Target/Sparc/MCTargetDesc/SparcFixupKinds.h
    M llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
    M llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
    M llvm/lib/Target/Sparc/SparcAsmPrinter.cpp
    M llvm/lib/Target/Sparc/SparcISelLowering.cpp

  Log Message:
  -----------
  Sparc: Remove fixup kinds and specifiers for H44/M44/L44

The simm13 format OR instruction should use one single fixup kind, while
it currently uses a lot more, including %m44/%l44.

This change refactors R_SPARC_H44/R_SPARC_M44/R_SPARC_M44 handling to
remove fixup kinds and specifiers. We utilize the [0,
FirstLiteralRelocationKind) MCFixupKind range to encode raw relocation
types that may be resolved (see the MCAssembler.cpp change).

The `evaluateAsRelocatableImpl` implementation resembles
PPCMCExpr::evaluateAsRelocatableImpl.



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