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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-11-26 10:34:31 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-11-26 10:34:31 +0900 |
| commit | 7150c6753933f12a2ba63769fb7b3a44cfcddd3d (patch) | |
| tree | cddfd89197039d98cac827837e58bd3041d88a2a /doc | |
| parent | 6dedd6a940194881c3b66124ff277c4cb14d08bd (diff) | |
| download | mruby-7150c6753933f12a2ba63769fb7b3a44cfcddd3d.tar.gz mruby-7150c6753933f12a2ba63769fb7b3a44cfcddd3d.zip | |
Make `OP_JMP*` operand address to be relative.
Jump target address is `operand (16bit)` + `address of next instruction`.
In addition, `ilen` was made `uint32_t` so that `iseq` length limitation
of 65536 is removed. Only jump target address should be within signed
16bit (-32768 .. 32767).
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/mruby3.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/mruby3.md b/doc/mruby3.md index bc0a74b00..3d9159940 100644 --- a/doc/mruby3.md +++ b/doc/mruby3.md @@ -137,6 +137,11 @@ No more operand extention * `OP_EXT2` * `OP_EXT3` +## Changed Instructions + +Jump addresses used to be specified by absolute offset from the start of `iseq`. Now they are relative offset from the address of the next instruction. + + ## `Random` now use `xoshiro128++`. For better and faster random number generation. |