[all-commits] [llvm/llvm-project] 49be50: [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: 49be509b0506ac6e6032f5b8cfebf0c7e978cd1f
      https://github.com/llvm/llvm-project/commit/49be509b0506ac6e6032f5b8cfebf0c7e978cd1f
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-28 (Mon, 28 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: 7dfbd64854d1139482cafe8afdb05b6e44a22b46
      https://github.com/llvm/llvm-project/commit/7dfbd64854d1139482cafe8afdb05b6e44a22b46
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-28 (Mon, 28 Jul 2025)

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

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


  Commit: afc7dc749bc1ce3ccc17c92761ffbaa9262922cc
      https://github.com/llvm/llvm-project/commit/afc7dc749bc1ce3ccc17c92761ffbaa9262922cc
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-28 (Mon, 28 Jul 2025)

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

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


  Commit: 9be8a0909e1130bf0addc657f1447a3b36f30fd3
      https://github.com/llvm/llvm-project/commit/9be8a0909e1130bf0addc657f1447a3b36f30fd3
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-28 (Mon, 28 Jul 2025)

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

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


  Commit: c1de6d3bdbabbad8fff2b67057c1b79aedc06b06
      https://github.com/llvm/llvm-project/commit/c1de6d3bdbabbad8fff2b67057c1b79aedc06b06
  Author: Daniel Thornburgh <dthorn at google.com>
  Date:   2025-07-28 (Mon, 28 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/07d54fb61028...c1de6d3bdbab

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