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Document bitwise shift operators in assembly

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Alex Beregszaszi 2017-02-06 22:42:27 +00:00
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docs/assembly.rst
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@ -206,6 +206,16 @@ In the grammar, opcodes are represented as pre-defined identifiers.
+-------------------------+-----+---+-----------------------------------------------------------------+
| byte(n, x) | | F | nth byte of x, where the most significant byte is the 0th byte |
+-------------------------+-----+---+-----------------------------------------------------------------+
| shl(x, y) | | C | logical shift left x by y bits |
+-------------------------+-----+---+-----------------------------------------------------------------+
| shr(x, y) | | C | logical shift right x by y bits |
+-------------------------+-----+---+-----------------------------------------------------------------+
| sar(x, y) | | C | arithmetic shift right x by y bits |
+-------------------------+-----+---+-----------------------------------------------------------------+
| ror(x, y) | | C | rotate right x by y bits |
+-------------------------+-----+---+-----------------------------------------------------------------+
| rol(x, y) | | C | rotate left x by y bits |
+-------------------------+-----+---+-----------------------------------------------------------------+
| addmod(x, y, m) | | F | (x + y) % m with arbitrary precision arithmetics |
+-------------------------+-----+---+-----------------------------------------------------------------+
| mulmod(x, y, m) | | F | (x * y) % m with arbitrary precision arithmetics |