tree e4534d058186903492a8bd7c7479166371c7b35a
parent 9d61eaa9ecd9a46d22a8a4efc67d31b9abba3616
author Zhaoxin Yang <yangzhaoxin@loongson.cn> 1743414470 +0800
committer GitHub <noreply@github.com> 1743414470 +0800
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[lld][LoongArch] Relax TLSDESC code sequence (#123677)

Relax TLSDESC code sequence.

Original code sequence:
  * pcalau12i  $a0, %desc_pc_hi20(sym_desc)
  * addi.d     $a0, $a0, %desc_pc_lo12(sym_desc)
  * ld.d       $ra, $a0, %desc_ld(sym_desc)
  * jirl       $ra, $ra, %desc_call(sym_desc)

Cannot convert to LE/IE, but relax:
  * pcaddi     $a0, %desc_pcrel_20(sym_desc)
  * ld.d       $ra, $a0, %desc_ld(sym_desc)
  * jirl       $ra, $ra, %desc_call(sym_desc)

TODO: The transition from TLSDESC GD/LD to IE/LE will implement in a
future patch.