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| author | Dan Gohman <sunfish@mozilla.com> | 2015-05-11 10:05:31 -0700 |
|---|---|---|
| committer | Dan Gohman <sunfish@mozilla.com> | 2015-05-11 10:05:31 -0700 |
| commit | 29eddca11254da809f05fb3900b2b3f03d1cd072 (patch) | |
| tree | 6b9f3169df026c9c3f69c4d59e50ff2324efd418 | |
| parent | d543ff1a157910e37be1e0d31a9a965178abfc3a (diff) | |
| parent | df965e349e80c0993f8e38244f1be959de05c916 (diff) | |
| download | nanowasm-design-29eddca11254da809f05fb3900b2b3f03d1cd072.tar.gz | |
Merge pull request #46 from WebAssembly/more-ops
Add more operations.
| -rw-r--r-- | AstSemantics.md | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/AstSemantics.md b/AstSemantics.md index 96ab81c..d01f004 100644 --- a/AstSemantics.md +++ b/AstSemantics.md @@ -245,8 +245,12 @@ Additional 32-bit integer Operations under consideration: * Int32SMulHigh - signed multiplication (upper 32-bits) * Int32UMulHigh - unsigned multiplication (upper 32-bits) - * Int32Clz - count leading zeroes + * Int32Clz - count leading zeroes (defined for all values, including 0) + * Int32Ctz - count trailing zeroes (defined for all values, including 0) * Int32Popcnt - count number of ones + * Int32BSwap - reverse bytes (endian conversion) + * Int32Rotr - bitwise rotate right + * Int32Rotl - bitwise rotate left * Int32Not - signed-less one's complement * Int32SMin - signed minimum * Int32SMax - signed maximum @@ -268,15 +272,17 @@ All 64-bit floating point operations conform to the IEEE-754 standard. * Float64Mul - multiplication * Float64Div - division * Float64Abs - absolute value + * Float64Neg - negation + * Float64Copysign - copysign * Float64Ceil - ceiling operation * Float64Floor - floor operation * Float64Eq - compare equal * Float64Lt - less than * Float64Le - less than or equal + * Float64Sqrt - square root Operations under consideration: - * Float64Sqrt - square root ## 32-bit Floating point operations @@ -287,16 +293,17 @@ All 32-bit floating point operations conform to the IEEE-754 standard. * Float32Mul - multiplication * Float32Div - division * Float32Abs - absolute value + * Float32Neg - negation + * Float32Copysign - copysign * Float32Ceil - ceiling operation * Float32Floor - floor operation * Float32Eq - compare equal * Float32Lt - less than * Float32Le - less than or equal + * Float32Sqrt - square root Operations under consideration: - * Float32Sqrt - square root - Note that the IEEE 754 standard does not require extended operations like transcendental functions to have a specified precision. |