Compilers

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Compilers: OverviewDMDGDCLDC

DMD »

Digital Mars D compiler
The formal D compiler.

GDC »

GCC D compiler
Fast and open source.

LDC »

LLVM D compiler
Fast and open source.


Also see: Experimental compilers


Which compiler should I use?

If you're a beginner DMD is the recommended choice, as it is the implementation closest to the D Language Specification. Otherwise it depends on what you need, what platforms you intend to develop for, and your personal preferences. GDC and LDC both generate substantially faster binaries than DMD.

Comparison

DMD GDC LDC
Platforms
  • Linux
  • Mac
  • FreeBSD
  • Win
  • Linux
  • Mac
  • FreeBSD
  • Win
  • Linux
  • Mac
  • FreeBSD
  • Win
Architectures
  • i386
  • amd64
  • i386
  • amd64
  • i386
  • amd64
  • ppc
  • ppc6464
Distribution Source, multi-platform source/binary archive, Windows installer, packages for OS X (.dmg), Debian (.deb), Fedora (.rpm), OpenSUSE (.rpm) Source, Windows binary archive, Debian/Ubuntu repository Source, Linux / OS X binary archive, Debian/Ubuntu repository, Fedora repository, Gentoo repository
Backend DMD (DMC fork) GCC LLVM
License Frontend: GPL 1 or later / Artistic License

Backend: custom

GPL 3 or later LDC-specific code: 3-clause BSD
Inline assembler Yes, x86 Yes, GCC-style only (all targets) Yes, D-style (x86) and GCC-style (all targets)
SIMD Partial (?) Partial (?) Partial (?)

Linux specific
Object file format ELF ELF ELF

Mac specific
Object file format Mach-O Mach-O Mach-O

Windows specific
Object file format OMF (32) / COFF (64) COFF COFF