ilyakurdyukov / littlecc-e2k

Elbrus 2000 (e2k) backend to LCC (Little C Compiler)

Elbrus 2000 (e2k) backend to LCC (Little C Compiler)

Patching the LCC sources

$ git clone --depth=1 https://github.com/drh/lcc lcc-src
$ patch -N -p1 -d lcc-src < lcc-e2k.patch
$ cp e2k.c lcc-src/src/e2k.md

Building

$ mkdir -p lcc-build/gcc lcc-build/include
$ ( cd lcc-src && make BUILDDIR=../lcc-build HOSTFILE=etc/linux.c all )
$ ln -s ../cpp lcc-build/gcc/cpp
$ cp include/* lcc-build/include/

Example usage

$ export LCCDIR="$(pwd)/lcc-build"
$ lcc-build/lcc -target=e2k/linux fannkuch.c -S -o fannkuch.s
$ cc fannkuch.s -o fannkuch && ./fannkuch 7 8 9