diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/modules.js | 5 | ||||
| -rw-r--r-- | src/settings.js | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/src/modules.js b/src/modules.js index 1449e3f4..f85794bc 100644 --- a/src/modules.js +++ b/src/modules.js @@ -207,8 +207,9 @@ var Types = { needAnalysis: {}, // Types noticed during parsing, that need analysis - preciseI64MathUsed: false // Set to true if we actually use precise i64 math: If PRECISE_I64_MATH is set, and also such math is actually - // needed (+,-,*,/,% - we do not need it for bitops) + // Set to true if we actually use precise i64 math: If PRECISE_I64_MATH is set, and also such math is actually + // needed (+,-,*,/,% - we do not need it for bitops), or PRECISE_I64_MATH is 2 (forced) + preciseI64MathUsed: (PRECISE_I64_MATH == 2) }; var Functions = { diff --git a/src/settings.js b/src/settings.js index 58635950..9cdb496b 100644 --- a/src/settings.js +++ b/src/settings.js @@ -88,6 +88,10 @@ var PRECISE_I64_MATH = 1; // If enabled, i64 addition etc. is emulated - which i // Note that we do not catch 32-bit multiplication by default (which must be done in // 64 bits for high values for full precision) - you must manually set PRECISE_I32_MUL // for that. + // If set to 2, we always include the i64 math code, which is necessary in the case + // that we can't know at compile time that 64-bit math is needed. For example, if you + // print 64-bit values with printf, but never add them, we can't know at compile time + // and you need to set this to 2. var PRECISE_I32_MUL = 0; // If enabled, i64 math is done in i32 multiplication. This is necessary if the values // exceed the JS double-integer limit of ~52 bits. This option can normally be disabled // because generally i32 multiplication works ok without it, and enabling it has a big |