diff options
Diffstat (limited to 'src/analyzer.js')
| -rw-r--r-- | src/analyzer.js | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/analyzer.js b/src/analyzer.js index b73cc943..92b7d8cf 100644 --- a/src/analyzer.js +++ b/src/analyzer.js @@ -653,13 +653,14 @@ function analyzer(data, sidePass) { if (!isNumber(shifts)) { // We can't statically legalize this, do the operation at runtime TODO: optimize assert(sourceBits == 64, 'TODO: handle nonconstant shifts on != 64 bits'); + assert(PRECISE_I64_MATH, 'Must have precise i64 math for non-constant 64-bit shifts'); + Types.preciseI64MathUsed = 1; value.intertype = 'value'; - value.ident = 'Runtime' + (ASM_JS ? '_' : '.') + 'bitshift64(' + + value.ident = 'var ' + value.assignTo + '$0 = _bitshift64' + value.op[0].toUpperCase() + value.op.substr(1) + '(' + asmCoercion(sourceElements[0].ident, 'i32') + ',' + asmCoercion(sourceElements[1].ident, 'i32') + ',' + - Runtime['BITSHIFT64_' + value.op.toUpperCase()] + ',' + asmCoercion(value.params[1].ident + '$0', 'i32') + ');' + - 'var ' + value.assignTo + '$0 = ' + makeGetTempDouble(0, 'i32') + ', ' + value.assignTo + '$1 = ' + makeGetTempDouble(1, 'i32') + ';'; + 'var ' + value.assignTo + '$1 = tempRet0;'; value.assignTo = null; i++; continue; |