New Zig versions use x86 instead of <code class="notr

That change was reverted in <a href="https://github.com/ziglang/zig/pull/

That change was reverted in <a class="issue-link js-issue-link" data-error-text="Faile

Use `x86` instead of `i386` when compiling for i586- and i686- Rust targets on Linux about cargo-zigbuild HOT 3 CLOSED

rust-cross commented on May 23, 2024

Use `x86` instead of `i386` when compiling for i586- and i686- Rust targets on Linux

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Comments (3)

link2xt commented on May 23, 2024 1

That change was reverted in ziglang/zig#13460?

No, it does not fully revert the change. I think this is why it says "not arch" in the title.
The output of zig targets for me looks like this:

{
 "arch": [
  "arm",
  "armeb",
  "aarch64",
  "aarch64_be",
  "aarch64_32",
  "arc",
  "avr",
  "bpfel",
  "bpfeb",
  "csky",
  "dxil",
  "hexagon",
  "loongarch32",
  "loongarch64",
  "m68k",
  "mips",
  "mipsel",
  "mips64",
  "mips64el",
  "msp430",
  "powerpc",
  "powerpcle",
  "powerpc64",
  "powerpc64le",
  "r600",
  "amdgcn",
  "riscv32",
  "riscv64",
  "sparc",
  "sparc64",
  "sparcel",
  "s390x",
  "tce",
  "tcele",
  "thumb",
  "thumbeb",
  "x86",
  "x86_64",
  "xcore",
  "nvptx",
  "nvptx64",
  "le32",
  "le64",
  "amdil",
  "amdil64",
  "hsail",
  "hsail64",
  "spir",
  "spir64",
  "spirv32",
  "spirv64",
  "kalimba",
  "shave",
  "lanai",
  "wasm32",
  "wasm64",
  "renderscript32",
  "renderscript64",
  "ve",
  "spu_2"
 ],
 "os": [
...

There is no i386 architecture, the architecture (first word in the target triple) is named x86 now, but it was named i386 in zig 0.10.

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messense commented on May 23, 2024

That change was reverted in ziglang/zig#13460?

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link2xt commented on May 23, 2024

In cpus section there are many CPUs defined, including:

   "i386": [
    "slow_unaligned_mem_16",
    "vzeroupper",
    "x87"
   ],
   "i486": [
    "slow_unaligned_mem_16",
    "vzeroupper",
    "x87"
   ],
   "i586": [
    "cx8",
    "slow_unaligned_mem_16",
    "vzeroupper",
    "x87"
   ],
   "i686": [
    "cmov",
    "cx8",
    "slow_unaligned_mem_16",
    "vzeroupper",
    "x87"
   ],

This is what goes into -mcpu flag as far as I understand.

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