diff options
Diffstat (limited to 'src/settings.js')
| -rw-r--r-- | src/settings.js | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/src/settings.js b/src/settings.js index 1bfcf92a..36f53c3c 100644 --- a/src/settings.js +++ b/src/settings.js @@ -15,7 +15,7 @@ var QUANTUM_SIZE = 4; // This is the size of an individual field in a structure. // the normal value of 4 means all fields take 4 memory addresses, // as per the norm on a 32-bit machine. // - // 1 is somewhat faster than 4, but dangerous. + // Changing this from the default of 4 is deprecated. var CORRECT_SIGNS = 1; // Whether we make sure to convert unsigned values to signed values. // Decreases performance with additional runtime checks. Might not be @@ -63,7 +63,7 @@ var RELOOPER = 'relooper.js'; // Loads the relooper from this path relative to c var USE_TYPED_ARRAYS = 2; // Use typed arrays for the heap. See https://github.com/kripken/emscripten/wiki/Code-Generation-Modes/ // 0 means no typed arrays are used. // 1 has two heaps, IHEAP (int32) and FHEAP (double), - // and addresses there are a match for normal addresses. + // and addresses there are a match for normal addresses. This is deprecated. // 2 is a single heap, accessible through views as int8, int32, etc. This is // the recommended mode both for performance and for compatibility. var USE_FHEAP = 1; // Relevant in USE_TYPED_ARRAYS == 1. If this is disabled, only IHEAP will be used, and FHEAP @@ -171,6 +171,8 @@ var GL_UNSAFE_OPTS = 1; // Enables some potentially-unsafe optimizations in GL e var FULL_ES2 = 0; // Forces support for all GLES2 features, not just the WebGL-friendly subset. var FORCE_GL_EMULATION = 0; // Forces inclusion of full GL emulation code. +var UTF_STRING_SUPPORT = 1; // Perform utf-8 conversion between C and JS strings (adds overhead in such conversions) + var DISABLE_EXCEPTION_CATCHING = 0; // Disables generating code to actually catch exceptions. If the code you // are compiling does not actually rely on catching exceptions (but the // compiler generates code for it, maybe because of stdlibc++ stuff), @@ -230,13 +232,14 @@ var EXPORTED_FUNCTIONS = ['_main']; // Functions that are explicitly exported. T // the generated code even after running closure compiler (on "Module"). // Note the necessary prefix of "_". -var DEFAULT_LIBRARY_FUNCS_TO_INCLUDE = ['memcpy', 'memset', 'malloc', 'free', '$Browser']; // JS library functions (C functions implemented in JS) - // that we include by default. If you want to make sure - // something is included by the JS compiler, add it here. - // For example, if you do not use some emscripten_* - // C API call from C, but you want to call it from JS, - // add it here (and in EXPORTED FUNCTIONS with prefix - // "_", for closure). +// JS library functions (C functions implemented in JS) +// that we include by default. If you want to make sure +// something is included by the JS compiler, add it here. +// For example, if you do not use some emscripten_* +// C API call from C, but you want to call it from JS, +// add it here (and in EXPORTED FUNCTIONS with prefix +// "_", for closure). +var DEFAULT_LIBRARY_FUNCS_TO_INCLUDE = ['memcpy', 'memset', 'malloc', 'free', 'strlen', '$Browser']; var LIBRARY_DEPS_TO_AUTOEXPORT = ['memcpy']; // This list is also used to determine // auto-exporting of library dependencies (i.e., functions that @@ -332,6 +335,14 @@ var ASM_JS = 0; // If 1, generate code in asm.js format. XXX This is highly expe // and will not work on most codebases yet. It is NOT recommended that you // try this yet. +var PGO = 0; // Enables profile-guided optimization in the form of runtime checks for + // which functions are actually called. Emits a list during shutdown that you + // can pass to DEAD_FUNCTIONS (you can also emit the list manually by + // calling PGOMonitor.dump()); +var DEAD_FUNCTIONS = []; // A list of functions that no code will be emitted for, and + // a runtime abort will happen if they are called + // TODO: options to lazily load such functions + var EXPLICIT_ZEXT = 0; // If 1, generate an explicit conversion of zext i1 to i32, using ?: var NECESSARY_BLOCKADDRS = []; // List of (function, block) for all block addresses that are taken. |