Other

• Change compiler-builtins to edition 2024
• Remove unneeded C symbols
• Reuse libm's Caat and CastFrom in compiler-builtins
• Reuse MinInt and Int from libm in compiler-builtins
• Update CmpResult to use a pointer-sized return type
• Enable __powitf2 on MSVC
• Fix i256::MAX
• Add a note saying why we use frintx rather than frintn
• Typo in README.md
• Clean up unused files

Other

• Remove cfg(bootstrap)

Other

• Require target_has_atomic = "ptr" for runtime feature detection

Other

• Require target_has_atomic = "ptr" for runtime feature detection

Other

• Use runtime feature detection for fma routines on x86

Other

• Use runtime feature detection for fma routines on x86

Fixed

• Switch back to workspace resolver v2 to unbreak builds without the 2024 edition

• Mark generic functions #[inline]
• Combine the source files for fmod
• Ensure all public functions are marked no_panic
• Add assembly version of simple operations on aarch64
• Add roundeven{,f,f16,f128}
• Add fminimum, fmaximum, fminimum_num, and fmaximum_num
• Eliminate the use of force_eval! in ceil, floor, and trunc
• Port the CORE-MATH version of cbrt
• Add fmaf128
• fma: Ensure zero has the correct sign
• Add scalbnf16, scalbnf128, ldexpf16, and ldexpf128
• Specify license as just MIT
• Add fmodf128
• Add fmodf16 using the generic implementation
• Add fminf16, fmaxf16, fminf128, and fmaxf128
• Add roundf16 and roundf128
• Add rintf16 and rintf128
• Add floorf16 and floorf128
• Add ceilf16 and ceilf128
• Add sqrtf16 and sqrtf128
• Simplify and optimize fdim (#442)
• Add fdimf16 and fdimf128
• Add truncf16 and truncf128
• Add fabsf16, fabsf128, copysignf16, and copysignf128
• Move some numeric trait logic to default implementations
• Add some more basic docstrings (#352)
• Add support for loongarch64-unknown-linux-gnu
• Add an "arch" Cargo feature that is on by default
• Rename the special_case module to precision and move default ULP
• Move the existing "unstable" feature to "unstable-intrinsics"

There are a number of things that changed internally, see the git log for a full
list of changes.

Other

• avr: Provide abort()
• Remove unsafe from naked_asm! blocks
• Enable icount benchmarks in CI
• Move builtins-test-intrinsics out of the workspace
• Run cargo fmt on all projects
• Flatten the libm/libm directory
• Update path to libm after the merge

Other

• use #[cfg(bootstrap)] for rustc sync
• Replace the bl! macro with asm_sym
• __udivmod(h|q)i4