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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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160 DEFINE_bool(smi_only_arrays, true, "tracks arrays with only smi values") | 160 DEFINE_bool(smi_only_arrays, true, "tracks arrays with only smi values") |
161 DEFINE_bool(clever_optimizations, | 161 DEFINE_bool(clever_optimizations, |
162 true, | 162 true, |
163 "Optimize object size, Array shift, DOM strings and string +") | 163 "Optimize object size, Array shift, DOM strings and string +") |
164 | 164 |
165 // Flags for data representation optimizations | 165 // Flags for data representation optimizations |
166 DEFINE_bool(unbox_double_arrays, true, "automatically unbox arrays of doubles") | 166 DEFINE_bool(unbox_double_arrays, true, "automatically unbox arrays of doubles") |
167 DEFINE_bool(string_slices, true, "use string slices") | 167 DEFINE_bool(string_slices, true, "use string slices") |
168 | 168 |
169 // Flags for Crankshaft. | 169 // Flags for Crankshaft. |
| 170 #if defined(V8_TARGET_ARCH_SH4) |
| 171 DEFINE_bool(crankshaft, false, "use crankshaft") |
| 172 #else |
170 DEFINE_bool(crankshaft, true, "use crankshaft") | 173 DEFINE_bool(crankshaft, true, "use crankshaft") |
| 174 #endif |
171 DEFINE_string(hydrogen_filter, "", "optimization filter") | 175 DEFINE_string(hydrogen_filter, "", "optimization filter") |
172 DEFINE_bool(use_range, true, "use hydrogen range analysis") | 176 DEFINE_bool(use_range, true, "use hydrogen range analysis") |
173 DEFINE_bool(eliminate_dead_phis, true, "eliminate dead phis") | 177 DEFINE_bool(eliminate_dead_phis, true, "eliminate dead phis") |
174 DEFINE_bool(use_gvn, true, "use hydrogen global value numbering") | 178 DEFINE_bool(use_gvn, true, "use hydrogen global value numbering") |
175 DEFINE_bool(use_canonicalizing, true, "use hydrogen instruction canonicalizing") | 179 DEFINE_bool(use_canonicalizing, true, "use hydrogen instruction canonicalizing") |
176 DEFINE_bool(use_inlining, true, "use function inlining") | 180 DEFINE_bool(use_inlining, true, "use function inlining") |
177 DEFINE_int(max_inlined_source_size, 600, | 181 DEFINE_int(max_inlined_source_size, 600, |
178 "maximum source size in bytes considered for a single inlining") | 182 "maximum source size in bytes considered for a single inlining") |
179 DEFINE_int(max_inlined_nodes, 196, | 183 DEFINE_int(max_inlined_nodes, 196, |
180 "maximum number of AST nodes considered for a single inlining") | 184 "maximum number of AST nodes considered for a single inlining") |
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291 DEFINE_bool(enable_armv7, true, | 295 DEFINE_bool(enable_armv7, true, |
292 "enable use of ARMv7 instructions if available (ARM only)") | 296 "enable use of ARMv7 instructions if available (ARM only)") |
293 DEFINE_bool(enable_sudiv, true, | 297 DEFINE_bool(enable_sudiv, true, |
294 "enable use of SDIV and UDIV instructions if available (ARM only)") | 298 "enable use of SDIV and UDIV instructions if available (ARM only)") |
295 DEFINE_bool(enable_movw_movt, false, | 299 DEFINE_bool(enable_movw_movt, false, |
296 "enable loading 32-bit constant by means of movw/movt " | 300 "enable loading 32-bit constant by means of movw/movt " |
297 "instruction pairs (ARM only)") | 301 "instruction pairs (ARM only)") |
298 DEFINE_bool(enable_unaligned_accesses, true, | 302 DEFINE_bool(enable_unaligned_accesses, true, |
299 "enable unaligned accesses for ARMv7 (ARM only)") | 303 "enable unaligned accesses for ARMv7 (ARM only)") |
300 DEFINE_bool(enable_fpu, true, | 304 DEFINE_bool(enable_fpu, true, |
301 "enable use of MIPS FPU instructions if available (MIPS only)") | 305 "enable use of FPU instructions if available (MIPS and SH4 only)") |
302 | 306 |
303 // bootstrapper.cc | 307 // bootstrapper.cc |
304 DEFINE_string(expose_natives_as, NULL, "expose natives in global object") | 308 DEFINE_string(expose_natives_as, NULL, "expose natives in global object") |
305 DEFINE_string(expose_debug_as, NULL, "expose debug in global object") | 309 DEFINE_string(expose_debug_as, NULL, "expose debug in global object") |
306 DEFINE_bool(expose_gc, false, "expose gc extension") | 310 DEFINE_bool(expose_gc, false, "expose gc extension") |
307 DEFINE_bool(expose_externalize_string, false, | 311 DEFINE_bool(expose_externalize_string, false, |
308 "expose externalize string extension") | 312 "expose externalize string extension") |
309 DEFINE_int(stack_trace_limit, 10, "number of stack frames to capture") | 313 DEFINE_int(stack_trace_limit, 10, "number of stack frames to capture") |
310 DEFINE_bool(builtins_in_stack_traces, false, | 314 DEFINE_bool(builtins_in_stack_traces, false, |
311 "show built-in functions in stack traces") | 315 "show built-in functions in stack traces") |
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708 #undef DEFINE_bool | 712 #undef DEFINE_bool |
709 #undef DEFINE_int | 713 #undef DEFINE_int |
710 #undef DEFINE_string | 714 #undef DEFINE_string |
711 #undef DEFINE_implication | 715 #undef DEFINE_implication |
712 | 716 |
713 #undef FLAG_MODE_DECLARE | 717 #undef FLAG_MODE_DECLARE |
714 #undef FLAG_MODE_DEFINE | 718 #undef FLAG_MODE_DEFINE |
715 #undef FLAG_MODE_DEFINE_DEFAULTS | 719 #undef FLAG_MODE_DEFINE_DEFAULTS |
716 #undef FLAG_MODE_META | 720 #undef FLAG_MODE_META |
717 #undef FLAG_MODE_DEFINE_IMPLICATIONS | 721 #undef FLAG_MODE_DEFINE_IMPLICATIONS |
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