pound-emu/archived-ballistic
1
0
Fork 0
mirror of https://github.com/pound-emu/ballistic.git synced 2026-01-31 01:15:21 +01:00
Code Issues Packages Projects Releases Wiki Activity

docs: Design Tiered Architecture

Browse Source 
Signed-off-by: Ronald Caesar <github43132@proton.me>
This commit is contained in:
Ronald Caesar
2025-12-31 20:04:42 -04:00
parent 9130e485f3
commit 703ad41ec6
1 changed files with 15 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/IR_DESIGN_DOC.md
View File

@@ -130,6 +130,20 @@ OPCODE_END_BLOCK // Terminantes the entire loop.
OPCODE_RETURN v4 OPCODE_RETURN v4
``` ```
## Two Tiered Architecture
### Tier 1: Dumb Translation
* Greedy Register Allocator.
* Pre-defined machine code templates for code generation.
* No optimizations **except** for Peepholes. To make peepholing as fast as possible, we use a sliding window while emitting the machine code.
We switch to tier 2 when a basic block turns hot.
### Tier 2: Optimized Translation
* Run all [required](#rop) optimizations passes.
## Variable Design ## Variable Design
```c ```c
@@ -325,7 +339,7 @@ OPCODE_PRINT v101
| 104 | OPCODE_MOVZ (y = 20) | src1: v101, src2: 20 | v104 | | 104 | OPCODE_MOVZ (y = 20) | src1: v101, src2: 20 | v104 |
``` ```
## Required Optimization Passes ## <a name="rop"/> Required Optimization Passes
1. Register Allocation 1. Register Allocation
2. Constant Folding & Propagation 2. Constant Folding & Propagation