diff options
Diffstat (limited to 'src/settings.js')
| -rw-r--r-- | src/settings.js | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/settings.js b/src/settings.js index 1bfcf92a..101c403c 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 @@ -332,6 +332,14 @@ 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. |