diff options
| -rw-r--r-- | src/parseTools.js | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/parseTools.js b/src/parseTools.js index 41bb97f8..5cfd20f8 100644 --- a/src/parseTools.js +++ b/src/parseTools.js @@ -978,8 +978,20 @@ function processMathop(item) { with(item) { return '((' + ident1 + ') & ' + (Math.pow(2, bitsLeft)-1) + ')'; } case 'select': return ident1 + ' ? ' + ident2 + ' : ' + ident3; - case 'ptrtoint': return ident1; - case 'inttoptr': return ident1; + case 'ptrtoint': case 'inttoptr': { + var ret = ''; + if (QUANTUM_SIZE == 1) { + if (!Debugging.shownPtrtointWarning) { + dprint('WARNING: .ll contains ptrtoint and/or inttoptr. These may be dangerous in QUANTUM == 1.'); + dprint(' The safest thing is to investigate every appearance, and modify the source code to avoid this.'); + dprint(' Emscripten will print a list of the .ll lines, and also annotate the .js.'); + Debugging.shownPtrtointWarning = true; + } + dprint(' ' + op + ' on .ll line ' + item.lineNum); + ret = ' /* Warning: ' + op + ', .ll line ' + item.lineNum + ' */'; + } + return ident1 + ret; + } default: throw 'Unknown mathcmp op: ' + item.op; } } } |