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-rw-r--r--src/compiler.js8
-rw-r--r--src/parseTools.js8
-rw-r--r--src/preamble.js61
-rw-r--r--src/settings.js9
4 files changed, 6 insertions, 80 deletions
diff --git a/src/compiler.js b/src/compiler.js
index 25c306cf..a615d984 100644
--- a/src/compiler.js
+++ b/src/compiler.js
@@ -160,12 +160,6 @@ if (SAFE_HEAP >= 2) {
SAFE_HEAP_LINES = set(SAFE_HEAP_LINES); // for fast checking
}
-if (PGO) { // by default, correct everything during PGO
- CORRECT_SIGNS = CORRECT_SIGNS || 1;
- CORRECT_OVERFLOWS = CORRECT_OVERFLOWS || 1;
- CORRECT_ROUNDINGS = CORRECT_ROUNDINGS || 1;
-}
-
EXPORTED_FUNCTIONS = set(EXPORTED_FUNCTIONS);
EXPORTED_GLOBALS = set(EXPORTED_GLOBALS);
EXCEPTION_CATCHING_WHITELIST = set(EXCEPTION_CATCHING_WHITELIST);
@@ -185,7 +179,7 @@ assert(!(!NAMED_GLOBALS && BUILD_AS_SHARED_LIB)); // shared libraries must have
if (phase == 'pre') {
if (!MICRO_OPTS || !RELOOP || ASSERTIONS || CHECK_SIGNS || CHECK_OVERFLOWS || INIT_STACK || INIT_HEAP ||
- !SKIP_STACK_IN_SMALL || SAFE_HEAP || PGO || PROFILE || !DISABLE_EXCEPTION_CATCHING) {
+ !SKIP_STACK_IN_SMALL || SAFE_HEAP || PROFILE || !DISABLE_EXCEPTION_CATCHING) {
print('// Note: Some Emscripten settings will significantly limit the speed of the generated code.');
} else {
print('// Note: For maximum-speed code, see "Optimizing Code" on the Emscripten wiki, https://github.com/kripken/emscripten/wiki/Optimizing-Code');
diff --git a/src/parseTools.js b/src/parseTools.js
index c9c48b73..ca9ad40a 100644
--- a/src/parseTools.js
+++ b/src/parseTools.js
@@ -1709,9 +1709,7 @@ function handleOverflow(text, bits) {
if (!bits) return text;
var correct = correctOverflows();
warnOnce(!correct || bits <= 32, 'Cannot correct overflows of this many bits: ' + bits);
- if (CHECK_OVERFLOWS) return 'CHECK_OVERFLOW(' + text + ', ' + bits + ', ' + Math.floor(correctSpecificOverflow() && !PGO) + (
- PGO ? ', "' + Debugging.getIdentifier() + '"' : ''
- ) + ')';
+ if (CHECK_OVERFLOWS) return 'CHECK_OVERFLOW(' + text + ', ' + bits + ', ' + Math.floor(correctSpecificOverflow()) + ')';
if (!correct) return text;
if (bits == 32) {
return '((' + text + ')|0)';
@@ -1819,9 +1817,7 @@ function makeSignOp(value, type, op, force, ignore) {
var bits, full;
if (type in Runtime.INT_TYPES) {
bits = parseInt(type.substr(1));
- full = op + 'Sign(' + value + ', ' + bits + ', ' + Math.floor(ignore || (correctSpecificSign() && !PGO)) + (
- PGO ? ', "' + (ignore ? '' : Debugging.getIdentifier()) + '"' : ''
- ) + ')';
+ full = op + 'Sign(' + value + ', ' + bits + ', ' + Math.floor(ignore || (correctSpecificSign())) + ')';
// Always sign/unsign constants at compile time, regardless of CHECK/CORRECT
if (isNumber(value)) {
return eval(full).toString();
diff --git a/src/preamble.js b/src/preamble.js
index f168f5d5..3c206def 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -150,52 +150,6 @@ function SAFE_HEAP_COPY_HISTORY(dest, src) {
//==========================================
#endif
-var CorrectionsMonitor = {
-#if PGO
- MAX_ALLOWED: Infinity,
-#else
- MAX_ALLOWED: 0, // XXX
-#endif
- corrections: 0,
- sigs: {},
-
- note: function(type, succeed, sig) {
- if (!succeed) {
- this.corrections++;
- if (this.corrections >= this.MAX_ALLOWED) abort('\n\nToo many corrections!');
- }
-#if PGO
- if (!sig)
- sig = (new Error().stack).toString().split('\n')[2].split(':').slice(-1)[0]; // Spidermonkey-specific FIXME
- sig = type + '|' + sig;
- if (!this.sigs[sig]) {
- //Module.print('Correction: ' + sig);
- this.sigs[sig] = [0, 0]; // fail, succeed
- }
- this.sigs[sig][succeed ? 1 : 0]++;
-#endif
- },
-
- print: function() {
-#if PGO
- var items = [];
- for (var sig in this.sigs) {
- items.push({
- sig: sig,
- fails: this.sigs[sig][0],
- succeeds: this.sigs[sig][1],
- total: this.sigs[sig][0] + this.sigs[sig][1]
- });
- }
- items.sort(function(x, y) { return y.total - x.total; });
- for (var i = 0; i < items.length; i++) {
- var item = items[i];
- Module.print(item.sig + ' : ' + item.total + ' hits, %' + (Math.ceil(100*item.fails/item.total)) + ' failures');
- }
-#endif
- }
-};
-
#if CHECK_OVERFLOWS
//========================================
// Debugging tools - Mathop overflows
@@ -207,11 +161,11 @@ function CHECK_OVERFLOW(value, bits, ignore, sig) {
// For signedness issue here, see settings.js, CHECK_SIGNED_OVERFLOWS
#if CHECK_SIGNED_OVERFLOWS
if (value === Infinity || value === -Infinity || value >= twopbits1 || value < -twopbits1) {
- CorrectionsMonitor.note('SignedOverflow', 0, sig);
- if (value === Infinity || value === -Infinity || Math.abs(value) >= twopbits) CorrectionsMonitor.note('Overflow');
+ throw 'SignedOverflow';
+ if (value === Infinity || value === -Infinity || Math.abs(value) >= twopbits) throw 'Overflow';
#else
if (value === Infinity || value === -Infinity || Math.abs(value) >= twopbits) {
- CorrectionsMonitor.note('Overflow', 0, sig);
+ throw 'Overflow';
#endif
#if CORRECT_OVERFLOWS
// Fail on >32 bits - we warned at compile time
@@ -219,12 +173,6 @@ function CHECK_OVERFLOW(value, bits, ignore, sig) {
value = value & (twopbits - 1);
}
#endif
- } else {
-#if CHECK_SIGNED_OVERFLOWS
- CorrectionsMonitor.note('SignedOverflow', 1, sig);
-#endif
- CorrectionsMonitor.note('Overflow', 1, sig);
- }
return value;
}
#endif
@@ -769,9 +717,6 @@ function preMain() {
}
function exitRuntime() {
callRuntimeCallbacks(__ATEXIT__);
-
- // Print summary of correction activity
- CorrectionsMonitor.print();
}
// Tools
diff --git a/src/settings.js b/src/settings.js
index 23898195..8e8144f0 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -205,15 +205,6 @@ var FS_LOG = 0; // Log all FS operations. This is especially helpful when you'r
// a new project and want to see a list of file system operations happening
// so that you can create a virtual file system with all of the required files.
-var PGO = 0; // Profile-guided optimization.
- // When run with the CHECK_* options, will not fail on errors. Instead, will
- // keep a record of which checks succeeded and which failed. On shutdown, will
- // print out that information. This is useful for knowing which lines need
- // checking enabled and which do not, that is, this is a way to automate the
- // generation of line data for CORRECT_*_LINES options.
- // All CORRECT_* options default to 1 with PGO builds.
- // See https://github.com/kripken/emscripten/wiki/Optimizing-Code for more info
-
var NAMED_GLOBALS = 0; // If 1, we use global variables for globals. Otherwise
// they are referred to by a base plus an offset (called an indexed global),
// saving global variables but adding runtime overhead.
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-21 21:36:59 +0000