[all-commits] [llvm/llvm-project] 69e8cd: [libc] Modular printf option (float only)

[Daniel Thornburgh via All-commits]

  Branch: refs/heads/users/mysterymath/modular-printf/libc
  Home:   https://github.com/llvm/llvm-project
  Commit: 69e8cd32486d90cd3ba841f906b8e61279d3ab06
      https://github.com/llvm/llvm-project/commit/69e8cd32486d90cd3ba841f906b8e61279d3ab06
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-21 (Mon, 21 Jul 2025)

  Changed paths:
    M libc/config/config.json
    M libc/docs/configure.rst
    M libc/src/stdio/generic/CMakeLists.txt
    A libc/src/stdio/generic/printf_modular.cpp
    M libc/src/stdio/printf.h
    M libc/src/stdio/printf_core/CMakeLists.txt
    M libc/src/stdio/printf_core/float_dec_converter.h
    M libc/src/stdio/printf_core/float_dec_converter_limited.h
    M libc/src/stdio/printf_core/float_hex_converter.h
    A libc/src/stdio/printf_core/float_impl.cpp
    M libc/src/stdio/printf_core/parser.h
    M libc/src/stdio/printf_core/printf_config.h
    M libc/src/stdio/printf_core/printf_main.h
    M libc/src/stdio/printf_core/vfprintf_internal.h

  Log Message:
  -----------
  [libc] Modular printf option (float only)

This adds LIBC_CONF_PRINTF_MODULAR, which causes floating point support
(later, others) to be weakly linked into the implementation.
__printf_modular becomes the main entry point of the implementaiton, an
printf itself wraps __printf_modular. printf it also contains a
BFD_RELOC_NONE relocation to bring in the float aspect.

See issue #146159 for context.


  Commit: 1675f88b2637276af5923a11b7dd82310ef537be
      https://github.com/llvm/llvm-project/commit/1675f88b2637276af5923a11b7dd82310ef537be
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-21 (Mon, 21 Jul 2025)

  Changed paths:
    M libc/src/stdio/printf_core/vfprintf_internal.h

  Log Message:
  -----------
  Fix missed SPLIT->MODULAR rename


  Commit: b8ca5595dffe6c26909596672482a461a7c6d5e1
      https://github.com/llvm/llvm-project/commit/b8ca5595dffe6c26909596672482a461a7c6d5e1
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-21 (Mon, 21 Jul 2025)

  Changed paths:
    M libc/src/stdio/printf_core/float_impl.cpp

  Log Message:
  -----------
  Add missing file header


  Commit: 5c6c858a8c7b3957019add2bd36ac070779c1eac
      https://github.com/llvm/llvm-project/commit/5c6c858a8c7b3957019add2bd36ac070779c1eac
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-21 (Mon, 21 Jul 2025)

  Changed paths:
    M libc/src/stdio/printf_core/printf_main.h

  Log Message:
  -----------
  Use LIBC_INLINE_ASM macro


  Commit: 8467ca8eb40eee713fc9cde9b494791b4a9c5f60
      https://github.com/llvm/llvm-project/commit/8467ca8eb40eee713fc9cde9b494791b4a9c5f60
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-21 (Mon, 21 Jul 2025)

  Changed paths:
    M libc/src/stdio/printf_core/float_dec_converter.h
    M libc/src/stdio/printf_core/float_dec_converter_limited.h
    M libc/src/stdio/printf_core/float_hex_converter.h
    M libc/src/stdio/printf_core/parser.h

  Log Message:
  -----------
  LIBC_INLINE for modular fn definitions


Compare: https://github.com/llvm/llvm-project/compare/0ff36e3316c3...8467ca8eb40e

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