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-rw-r--r--src/settings.js16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/settings.js b/src/settings.js
index 720fb53f..1db91dca 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -48,6 +48,8 @@ var VERBOSE = 0; // When set to 1, will generate more verbose output during comp
var INVOKE_RUN = 1; // Whether we will run the main() function. Disable if you embed the generated
// code in your own, and will call main() yourself at the right time (which you
// can do with Module.callMain(), with an optional parameter of commandline args).
+var NO_EXIT_RUNTIME = 0; // If set, the runtime is not quit when main() completes (allowing code to
+ // run afterwards, for example from the browser main event loop).
var INIT_HEAP = 0; // Whether to initialize memory anywhere other than the stack to 0.
var TOTAL_STACK = 5*1024*1024; // The total stack size. There is no way to enlarge the stack, so this
// value must be large enough for the program's requirements. If
@@ -104,6 +106,9 @@ 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 +126,11 @@ 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 +259,8 @@ 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.