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comparison README_GRAAL.txt @ 5182:70aaaa83b93a

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fixed gcc warning; added note to README_GRAAL about disabling the bootstrap step
author Doug Simon <doug.simon@oracle.com>
date Mon, 02 Apr 2012 12:19:18 +0200
parents b97ef124c3ea
children a89a18a57617
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5181:b97ef124c3ea 5182:70aaaa83b93a
1 Building Graal
2 --------------
1 There is a Python script in graal/mxtool/mx.py that simplifies working with the code 3 There is a Python script in graal/mxtool/mx.py that simplifies working with the code
2 base. It requires Python 2.7. While you can run this script by using an absolute path, 4 base. It requires Python 2.7. While you can run this script by using an absolute path,
3 it's more convenient to add graal/mxtool to your PATH environment variable so that the 5 it's more convenient to add graal/mxtool to your PATH environment variable so that the
4 'mx' helper script can be used. The following instructions in this file assume this 6 'mx' helper script can be used. The following instructions in this file assume this
5 setup. 7 setup.
13 To build the debug or fastdebug versions: 15 To build the debug or fastdebug versions:
14 16
15 mx build debug 17 mx build debug
16 mx build fastdebug 18 mx build fastdebug
17 19
18 To run one of the correspong VM instances: 20 Running Graal
21 -------------
19 22
20 mx --product vm ... 23 To run the VM, use 'mx vm' in place of the standard 'java' command:
24
25 mx vm ...
26
27 To select the fastdebug or debug versions of the VM:
28
21 mx --fastdebug vm ... 29 mx --fastdebug vm ...
22 mx --debug vm ... 30 mx --debug vm ...
23 31
24 The default is --product. 32 Graal has an optional bootstrap step where it compiles itself before
33 compiling any application code. This bootstrap step currently takes about 7 seconds
34 on a fast x64 machine. It's useful to disable this bootstrap step when running small
35 programs with the -XX:-BootstrapGraal options. For example:
36
37 mx vm -XX:-BootstrapGraal ...