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Compilation failure in Webkit 2.48.0 with Clang-20 on ARM #132322

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kraj opened this issue Mar 21, 2025 · 1 comment
Open

Compilation failure in Webkit 2.48.0 with Clang-20 on ARM #132322

kraj opened this issue Mar 21, 2025 · 1 comment
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backend:ARM llvm:codegen platform:linux

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@kraj
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kraj commented Mar 21, 2025 •
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While compiling webkit 2.48.0 with Clang-20 using internal assembler it ends up with following errors

<inline asm>:320:1: error: Relocation Not In Range
  320 | movw r4, #:lower16:.Lllint_op_tail_call_varargs - .Lllint_relativePCBase
      | ^
<inline asm>:321:1: error: Relocation Not In Range
  321 | movt r4, #:upper16:.Lllint_op_tail_call_varargs - .Lllint_relativePCBase
      | ^
<inline asm>:325:1: error: Relocation Not In Range
  325 | movw r4, #:lower16:.Lllint_op_call_varargs - .Lllint_relativePCBase
      | ^
<inline asm>:326:1: error: Relocation Not In Range
  326 | movt r4, #:upper16:.Lllint_op_call_varargs - .Lllint_relativePCBase
      | ^
<inline asm>:330:1: error: Relocation Not In Range
  330 | movw r4, #:lower16:.Lllint_op_iterator_next - .Lllint_relativePCBase
      | ^
<inline asm>:331:1: error: Relocation Not In Range
  331 | movt r4, #:upper16:.Lllint_op_iterator_next - .Lllint_relativePCBase
      | ^
<inline asm>:335:1: error: Relocation Not In Range
  335 | movw r4, #:lower16:.Lllint_op_construct_varargs - .Lllint_relativePCBase
      | ^
<inline asm>:336:1: error: Relocation Not In Range
  336 | movt r4, #:upper16:.Lllint_op_construct_varargs - .Lllint_relativePCBase
      | ^
<inline asm>:345:1: error: Relocation Not In Range
  345 | movw r4, #:lower16:.Lllint_op_iterator_open - .Lllint_relativePCBase
      | ^
<inline asm>:346:1: error: Relocation Not In Range
  346 | movt r4, #:upper16:.Lllint_op_iterator_open - .Lllint_relativePCBase
      | ^
<inline asm>:350:1: error: Relocation Not In Range
  350 | movw r4, #:lower16:.Lllint_op_instanceof - .Lllint_relativePCBase
      | ^
<inline asm>:351:1: error: Relocation Not In Range
  351 | movt r4, #:upper16:.Lllint_op_instanceof - .Lllint_relativePCBase
      | ^
<inline asm>:355:1: error: Relocation Not In Range
  355 | movw r4, #:lower16:.Lllint_op_set_private_brand - .Lllint_relativePCBase
      | ^
<inline asm>:356:1: error: Relocation Not In Range
  356 | movt r4, #:upper16:.Lllint_op_set_private_brand - .Lllint_relativePCBase
      | ^
<inline asm>:360:1: error: Relocation Not In Range
  360 | movw r4, #:lower16:.Lllint_op_check_private_brand - .Lllint_relativePCBase
      | ^
<inline asm>:361:1: error: Relocation Not In Range
  361 | movt r4, #:upper16:.Lllint_op_check_private_brand - .Lllint_relativePCBase
      | ^
<inline asm>:365:1: error: Relocation Not In Range
  365 | movw r4, #:lower16:.Lllint_op_put_by_id - .Lllint_relativePCBase
      | ^
<inline asm>:366:1: error: Relocation Not In Range
  366 | movt r4, #:upper16:.Lllint_op_put_by_id - .Lllint_relativePCBase
      | ^
<inline asm>:370:1: error: Relocation Not In Range
  370 | movw r4, #:lower16:.Lllint_op_construct - .Lllint_relativePCBase
      | ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.

Here is cmdline options used

arm-yoe-linux-gnueabi-clang++ -target arm-yoe-linux-gnueabi -mthumb -mfpu=neon -mfloat-abi=hard -mcpu=cortex-a15 -mlittle-endian -c a.cpp -std=c++23

If I use -fno-integrated-as then compile succeeds, so thats my workaround for now but I think it is something to be root caused.

a.cpp.zip
@llvmbot
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llvmbot commented Mar 24, 2025

@llvm/issue-subscribers-backend-arm

Author: Khem Raj (kraj)

While compiling webkit 2.48.0 with Clang-20 using internal assembler it ends up with following errors 
&lt;inline asm&gt;:320:1: error: Relocation Not In Range
  320 | movw r4, #:lower16:.Lllint_op_tail_call_varargs - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:321:1: error: Relocation Not In Range
  321 | movt r4, #:upper16:.Lllint_op_tail_call_varargs - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:325:1: error: Relocation Not In Range
  325 | movw r4, #:lower16:.Lllint_op_call_varargs - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:326:1: error: Relocation Not In Range
  326 | movt r4, #:upper16:.Lllint_op_call_varargs - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:330:1: error: Relocation Not In Range
  330 | movw r4, #:lower16:.Lllint_op_iterator_next - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:331:1: error: Relocation Not In Range
  331 | movt r4, #:upper16:.Lllint_op_iterator_next - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:335:1: error: Relocation Not In Range
  335 | movw r4, #:lower16:.Lllint_op_construct_varargs - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:336:1: error: Relocation Not In Range
  336 | movt r4, #:upper16:.Lllint_op_construct_varargs - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:345:1: error: Relocation Not In Range
  345 | movw r4, #:lower16:.Lllint_op_iterator_open - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:346:1: error: Relocation Not In Range
  346 | movt r4, #:upper16:.Lllint_op_iterator_open - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:350:1: error: Relocation Not In Range
  350 | movw r4, #:lower16:.Lllint_op_instanceof - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:351:1: error: Relocation Not In Range
  351 | movt r4, #:upper16:.Lllint_op_instanceof - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:355:1: error: Relocation Not In Range
  355 | movw r4, #:lower16:.Lllint_op_set_private_brand - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:356:1: error: Relocation Not In Range
  356 | movt r4, #:upper16:.Lllint_op_set_private_brand - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:360:1: error: Relocation Not In Range
  360 | movw r4, #:lower16:.Lllint_op_check_private_brand - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:361:1: error: Relocation Not In Range
  361 | movt r4, #:upper16:.Lllint_op_check_private_brand - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:365:1: error: Relocation Not In Range
  365 | movw r4, #:lower16:.Lllint_op_put_by_id - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:366:1: error: Relocation Not In Range
  366 | movt r4, #:upper16:.Lllint_op_put_by_id - .Lllint_relativePCBase
      | ^
&lt;inline asm&gt;:370:1: error: Relocation Not In Range
  370 | movw r4, #:lower16:.Lllint_op_construct - .Lllint_relativePCBase
      | ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.

Here is cmdline options used

arm-yoe-linux-gnueabi-clang++ -target arm-yoe-linux-gnueabi -mthumb -mfpu=neon -mfloat-abi=hard -mcpu=cortex-a15 -mlittle-endian -c a.cpp -std=c++23

If I use -fno-integrated-as then compile succeeds, so thats my workaround for now but I think it is something to be root caused.

a.cpp.zip

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@kraj @frederick-vs-ja @llvmbot