[PATCH] D146216: [lld][ELF] Relax long jump/call to short jump/call on AVR

Tue Mar 28 01:24:18 PDT 2023

benshi001 added a comment.

Please refer to gun-ld,

https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=bfd/elf32-avr.c;h=702719136d09acbc8c98ec49ab8129d0f33fffa8;hb=HEAD#l2721
https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=bfd/elf32-avr.c;h=702719136d09acbc8c98ec49ab8129d0f33fffa8;hb=HEAD#l2738

gnu-ld also replace JMP to a pair of RJMP+NOP, since it does save one CPU cycle, because the NOP is never executed, it is just a padding word.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146216/new/

https://reviews.llvm.org/D146216