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build: add configuration flag to enable Maglev #50692

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build: add configuration flag to enable Maglev #50692

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7 changes: 7 additions & 0 deletions configure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -812,6 +812,12 @@
help='Enable V8 transparent hugepage support. This feature is only '+
'available on Linux platform.')

parser.add_argument('--v8-enable-maglev',
action='store_true',
dest='v8_enable_maglev',
default=None,
help='Enable V8 Maglev compiler. Not available on all platforms.')

parser.add_argument('--v8-enable-short-builtin-calls',
action='store_true',
dest='v8_enable_short_builtin_calls',
Expand Down Expand Up @@ -1494,6 +1500,7 @@ 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_maglev'] = 1 if options.v8_enable_maglev else 0
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_enable_shared_ro_heap'] = 0 if options.enable_pointer_compression or options.disable_shared_ro_heap else 1
Expand Down
14 changes: 12 additions & 2 deletions tools/v8_gypfiles/v8.gyp
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Original file line number Diff line number Diff line change
Expand Up @@ -552,6 +552,11 @@
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "v8_header_set.\\"v8_internal_headers\\".*?v8_enable_maglev.*?sources \\+= ")',
],
'conditions': [
['v8_target_arch=="arm"', {
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "v8_header_set.\\"v8_internal_headers\\".*?v8_enable_maglev.*?v8_current_cpu == \\"arm\\".*?sources \\+= ")',
],
}],
['v8_target_arch=="arm64"', {
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "v8_header_set.\\"v8_internal_headers\\".*?v8_enable_maglev.*?v8_current_cpu == \\"arm64\\".*?sources \\+= ")',
Expand Down Expand Up @@ -885,14 +890,19 @@
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "\\"v8_base_without_compiler.*?v8_enable_maglev.*?sources \\+= ")',
],
'conditions': [
['v8_target_arch=="arm"', {
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "\\"v8_base_without_compiler.*?v8_enable_maglev.*?v8_current_cpu == \\"arm\\".*?sources \\+= ")',
],
}],
['v8_target_arch=="arm64"', {
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "v8_base_without_compiler.*?v8_enable_maglev.*?v8_current_cpu == \\"arm64\\".*?sources \\+= ")',
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "\\"v8_base_without_compiler.*?v8_enable_maglev.*?v8_current_cpu == \\"arm64\\".*?sources \\+= ")',
],
}],
['v8_target_arch=="x64"', {
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "v8_base_without_compiler.*?v8_enable_maglev.*?v8_current_cpu == \\"x64\\".*?sources \\+= ")',
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "\\"v8_base_without_compiler.*?v8_enable_maglev.*?v8_current_cpu == \\"x64\\".*?sources \\+= ")',
],
}],
],
Expand Down
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