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1 # Copyright 2012 the V8 project authors. All rights reserved. | 1 # Copyright 2012 the V8 project authors. All rights reserved. |
2 # Redistribution and use in source and binary forms, with or without | 2 # Redistribution and use in source and binary forms, with or without |
3 # modification, are permitted provided that the following conditions are | 3 # modification, are permitted provided that the following conditions are |
4 # met: | 4 # met: |
5 # | 5 # |
6 # * Redistributions of source code must retain the above copyright | 6 # * Redistributions of source code must retain the above copyright |
7 # notice, this list of conditions and the following disclaimer. | 7 # notice, this list of conditions and the following disclaimer. |
8 # * Redistributions in binary form must reproduce the above | 8 # * Redistributions in binary form must reproduce the above |
9 # copyright notice, this list of conditions and the following | 9 # copyright notice, this list of conditions and the following |
10 # disclaimer in the documentation and/or other materials provided | 10 # disclaimer in the documentation and/or other materials provided |
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36 'v8_target_arch%': '<(target_arch)', | 36 'v8_target_arch%': '<(target_arch)', |
37 | 37 |
38 # Setting 'v8_can_use_unaligned_accesses' to 'true' will allow the code | 38 # Setting 'v8_can_use_unaligned_accesses' to 'true' will allow the code |
39 # generated by V8 to do unaligned memory access, and setting it to 'false' | 39 # generated by V8 to do unaligned memory access, and setting it to 'false' |
40 # will ensure that the generated code will always do aligned memory | 40 # will ensure that the generated code will always do aligned memory |
41 # accesses. The default value of 'default' will try to determine the correct | 41 # accesses. The default value of 'default' will try to determine the correct |
42 # setting. Note that for Intel architectures (ia32 and x64) unaligned memory | 42 # setting. Note that for Intel architectures (ia32 and x64) unaligned memory |
43 # access is allowed for all CPUs. | 43 # access is allowed for all CPUs. |
44 'v8_can_use_unaligned_accesses%': 'default', | 44 'v8_can_use_unaligned_accesses%': 'default', |
45 | 45 |
46 # Setting 'v8_can_use_integer_division' to 'true' will allow the code | |
47 # generated by V8 to utilize hardware integer division instruction | |
48 # Setting it to 'false' will not use hardware integer division instruction | |
49 'v8_can_use_integer_division%': 'true', | |
danno
2012/09/27 15:28:09
I think this flag is mis-named. can_use_sdiv_instr
| |
50 | |
46 # Setting 'v8_can_use_vfp2_instructions' to 'true' will enable use of ARM VF P | 51 # Setting 'v8_can_use_vfp2_instructions' to 'true' will enable use of ARM VF P |
47 # instructions in the V8 generated code. VFP instructions will be enabled | 52 # instructions in the V8 generated code. VFP instructions will be enabled |
48 # both for the snapshot and for the ARM target. Leaving the default value | 53 # both for the snapshot and for the ARM target. Leaving the default value |
49 # of 'false' will avoid VFP instructions in the snapshot and use CPU feature | 54 # of 'false' will avoid VFP instructions in the snapshot and use CPU feature |
50 # probing when running on the target. | 55 # probing when running on the target. |
51 'v8_can_use_vfp2_instructions%': 'false', | 56 'v8_can_use_vfp2_instructions%': 'false', |
52 'v8_can_use_vfp3_instructions%': 'false', | 57 'v8_can_use_vfp3_instructions%': 'false', |
53 | 58 |
54 # Similar to vfp but on MIPS. | 59 # Similar to vfp but on MIPS. |
55 'v8_can_use_fpu_instructions%': 'true', | 60 'v8_can_use_fpu_instructions%': 'true', |
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132 [ 'v8_can_use_unaligned_accesses=="true"', { | 137 [ 'v8_can_use_unaligned_accesses=="true"', { |
133 'defines': [ | 138 'defines': [ |
134 'CAN_USE_UNALIGNED_ACCESSES=1', | 139 'CAN_USE_UNALIGNED_ACCESSES=1', |
135 ], | 140 ], |
136 }], | 141 }], |
137 [ 'v8_can_use_unaligned_accesses=="false"', { | 142 [ 'v8_can_use_unaligned_accesses=="false"', { |
138 'defines': [ | 143 'defines': [ |
139 'CAN_USE_UNALIGNED_ACCESSES=0', | 144 'CAN_USE_UNALIGNED_ACCESSES=0', |
140 ], | 145 ], |
141 }], | 146 }], |
147 [ 'v8_can_use_integer_division=="true"', { | |
148 'defines': [ | |
149 'CAN_USE_INTEGER_DIVISION=1', | |
150 ], | |
151 }], | |
152 [ 'v8_can_use_integer_division=="false"', { | |
153 'defines': [ | |
154 'CAN_USE_INTEGER_DIVISION=0', | |
155 ], | |
156 }], | |
142 [ 'v8_can_use_vfp2_instructions=="true"', { | 157 [ 'v8_can_use_vfp2_instructions=="true"', { |
143 'defines': [ | 158 'defines': [ |
144 'CAN_USE_VFP2_INSTRUCTIONS', | 159 'CAN_USE_VFP2_INSTRUCTIONS', |
145 ], | 160 ], |
146 }], | 161 }], |
147 [ 'v8_can_use_vfp3_instructions=="true"', { | 162 [ 'v8_can_use_vfp3_instructions=="true"', { |
148 'defines': [ | 163 'defines': [ |
149 'CAN_USE_VFP3_INSTRUCTIONS', | 164 'CAN_USE_VFP3_INSTRUCTIONS', |
150 ], | 165 ], |
151 }], | 166 }], |
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421 'OptimizeReferences': '2', | 436 'OptimizeReferences': '2', |
422 'EnableCOMDATFolding': '2', | 437 'EnableCOMDATFolding': '2', |
423 }, | 438 }, |
424 }, | 439 }, |
425 }], # OS=="win" | 440 }], # OS=="win" |
426 ], # conditions | 441 ], # conditions |
427 }, # Release | 442 }, # Release |
428 }, # configurations | 443 }, # configurations |
429 }, # target_defaults | 444 }, # target_defaults |
430 } | 445 } |
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