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| author | Matteo Collina <hello@matteocollina.com> | 2019-11-13 12:18:10 +0100 |
|---|---|---|
| committer | Rich Trott <rtrott@gmail.com> | 2019-12-11 19:34:15 -0500 |
| commit | 086c7b41b2c6581baa3de5f9c5d57ce1dfda4734 (patch) | |
| tree | 2a0a4129b9b56d4397160344c65e83aad802d06b /configure.py | |
| parent | fb14ed4c38772216807fbede5765094a13621fe9 (diff) | |
| download | node-new-086c7b41b2c6581baa3de5f9c5d57ce1dfda4734.tar.gz | |
build: add flag to enable pointer compression
The --experimental-enable-pointer-compression is experimental
as it breaks ABI compatibility.
PR-URL: https://github.com/nodejs/node/pull/30463
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Diffstat (limited to 'configure.py')
| -rwxr-xr-x | configure.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.py b/configure.py index 48624aba92..a5e5610ba7 100755 --- a/configure.py +++ b/configure.py @@ -346,6 +346,11 @@ parser.add_option('--enable-trace-maps', dest='trace_maps', help='Enable the --trace-maps flag in V8 (use at your own risk)') +parser.add_option('--experimental-enable-pointer-compression', + action='store_true', + dest='enable_pointer_compression', + help='[Experimental] Enable V8 pointer compression (limits max heap to 4GB and breaks ABI compatibility)') + parser.add_option('--v8-options', action='store', dest='v8_options', @@ -1192,6 +1197,8 @@ def configure_v8(o): o['variables']['v8_random_seed'] = 0 # Use a random seed for hash tables. o['variables']['v8_promise_internal_field_count'] = 1 # Add internal field to promises for async hooks. o['variables']['v8_use_siphash'] = 0 if options.without_siphash else 1 + o['variables']['v8_enable_pointer_compression'] = 1 if options.enable_pointer_compression else 0 + o['variables']['v8_enable_31bit_smis_on_64bit_arch'] = 1 if options.enable_pointer_compression else 0 o['variables']['v8_trace_maps'] = 1 if options.trace_maps else 0 o['variables']['node_use_v8_platform'] = b(not options.without_v8_platform) o['variables']['node_use_bundled_v8'] = b(not options.without_bundled_v8) |