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Added magic division to JIT compiler

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New B operand selection rules
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tevador 2019-01-11 16:53:52 +01:00
parent 451dfc5730
commit 2756bcdcfe
9 changed files with 1237 additions and 1136 deletions
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doc/isa.md
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@ -83,10 +83,10 @@ The `B.LOC.L` flag determines the B operand. It can be either a register or imme
|`B.LOC.L`|IA/DIV|IA/SHIFT|IA/MATH|FP|CL|
|----|--------|----|------|----|---|
|0|register|register|register|register|register|
|0|register|`imm8`|`imm32`|register|register|
|1|`imm32`|register|register|register|register|
|2|`imm32`|`imm8`|register|register|register|
|3|`imm32`|`imm8`|`imm32`|register|register|
|3|`imm32`|register|register|register|register|
Integer instructions are split into 3 classes: integer division (IA/DIV), shift and rotate (IA/SHIFT) and other (IA/MATH). Floating point (FP) and control (CL) instructions always use a register operand.