diff options
Diffstat (limited to 'src/settings.js')
| -rw-r--r-- | src/settings.js | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/settings.js b/src/settings.js index 720fb53f..79e949fa 100644 --- a/src/settings.js +++ b/src/settings.js @@ -104,6 +104,9 @@ var FORCE_ALIGNED_MEMORY = 0; // If enabled, assumes all reads and writes are fu // for ways to help find places in your code where unaligned reads/writes are done - // you might be able to refactor your codebase to prevent them, which leads to // smaller and faster code, or even the option to turn this flag on. +var WARN_UNALIGNED = 0; // Warn at compile time about instructions that LLVM tells us are not fully aligned. + // This is useful to find places in your code where you might refactor to ensure proper + // alignment. (this option is fastcomp-only) var PRECISE_I64_MATH = 1; // If enabled, i64 addition etc. is emulated - which is slow but precise. If disabled, // we use the 'double trick' which is fast but incurs rounding at high values. // Note that we do not catch 32-bit multiplication by default (which must be done in @@ -121,8 +124,11 @@ var PRECISE_F32 = 0; // 0: Use JS numbers for floating-point values. These are 6 // 1: Model C++ floats precisely, using Math.fround, polyfilling when necessary. This // can be slow if the polyfill is used on heavy float32 computation. // 2: Model C++ floats precisely using Math.fround if available in the JS engine, otherwise - // use an empty polyfill. This will have less of a speed penalty than using the full - // polyfill in cases where engine support is not present. + // use an empty polyfill. This will have much less of a speed penalty than using the full + // polyfill in cases where engine support is not present. In addition, we can + // remove the empty polyfill calls themselves on the client when generating html, + // which should mean that this gives you the best of both worlds of 0 and 1, and is + // therefore recommended. var SIMD = 0; // Whether to emit SIMD code ( https://github.com/johnmccutchan/ecmascript_simd ) var CLOSURE_ANNOTATIONS = 0; // If set, the generated code will be annotated for the closure @@ -251,8 +257,8 @@ var DISABLE_EXCEPTION_CATCHING = 0; // Disables generating code to actually catc // TODO: Make this also remove cxa_begin_catch etc., optimize relooper // for it, etc. (perhaps do all of this as preprocessing on .ll?) -var EXCEPTION_CATCHING_WHITELIST = []; // Enables catching exception in listed functions if - // DISABLE_EXCEPTION_CATCHING = 2 set +var EXCEPTION_CATCHING_WHITELIST = []; // Enables catching exception in the listed functions only, if + // DISABLE_EXCEPTION_CATCHING = 2 is set var EXECUTION_TIMEOUT = -1; // Throw an exception after X seconds - useful to debug infinite loops var CHECK_OVERFLOWS = 0; // Add code that checks for overflows in integer math operations. |