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Diffstat (limited to 'README.org')
| -rw-r--r-- | README.org | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/README.org b/README.org index 3e6ef9a6478..b94e1a7b0fc 100644 --- a/README.org +++ b/README.org @@ -8,8 +8,13 @@ GCC before: YOU CANNOT build GCC within the same directory of the sources! +#+BEGIN_SRC bash $ apt-get install bison flex build-essential +#+END_SRC +Then to compile: + +#+BEGIN_SRC bash $ git clone ... $ cd gccpy $ ./contrib/download_prerequisites # optional @@ -21,6 +26,32 @@ $ ../configure --prefix=/opt/gccpy \ --disable-bootstrap $ make $ cd - +#+END_SRC + +*** Usage + +For my development sessions i generally pass: + +#+BEGIN_SRC bash +$ gccpy -fdump-tree-gimple -fpy-dump-dot -fpy-gen-main -fpy-optimize -O0 -g test.py -o test +#+END_SRC + +Options: + +-fpy-gen-main Python has no explicit main method so we require at +compile time for the user to explicitly say where the main method +should be compiled in. + +-fpy-dump-dot Dumps out the textural output of the DOT IL + +-fpy-optimize Experimental optimizers for Python at the DOT IL level +constant folding and propagation to some extend with data-flow +analysis could be implemented. + +-fdump-tree-gimple Dumps the textural output of the code generated +for the GCC middle-end. + +You can use all normal GCC options -O2 -g -mtune= -march= etc... ** Status |