[llvm] [X86][MC] Support R_X86_64_CODE_4_GOTPC32_TLSDESC (PR #116908)

[Feng Zou via llvm-commits]

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@@ -666,6 +666,7 @@ void X86MCCodeEmitter::emitMemModRMByte(
       case X86::SBB64rm:
       case X86::SUB64rm:
       case X86::XOR64rm:
+      case X86::LEA64r:
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fzou1 wrote:

It's not special to REX2. Here we need to distinguish REX2 prefix and others and set corresponding relocation type (R_X86_64_CODE_4_GOTPC32_TLSDESC) if it's REX2 prefix. For REX prefix, we didn't have to distinguish it and others in the past.

https://github.com/llvm/llvm-project/pull/116908