mirror of
https://github.com/janet-lang/janet
synced 2024-08-09 12:30:37 +00:00
63 lines
1.3 KiB
Plaintext
63 lines
1.3 KiB
Plaintext
### typedef struct {float x; float y; float z;} Vec3;
|
|
###
|
|
### Vec3 addv(Vec3 a, Vec3 b) {
|
|
### Vec3 ret;
|
|
### ret.x = a.x + b.x;
|
|
### ret.y = a.y + b.y;
|
|
### ret.z = a.z + b.z;
|
|
### return ret;
|
|
### }
|
|
|
|
# Use fgetp for code gen
|
|
|
|
(def ir-asm
|
|
@{:instructions
|
|
'(
|
|
# Types
|
|
(type-prim Real f32)
|
|
(type-struct Vec3 Real Real Real)
|
|
(type-pointer PReal Real)
|
|
|
|
# Declarations
|
|
(bind position Vec3)
|
|
(bind velocity Vec3)
|
|
(bind next-position Vec3)
|
|
(bind dest Real)
|
|
(bind lhs Real)
|
|
(bind rhs Real)
|
|
(bind pdest PReal)
|
|
(bind plhs PReal)
|
|
(bind prhs PReal)
|
|
|
|
# Code
|
|
(fgetp pdest next-position 0)
|
|
(fgetp plhs position 0)
|
|
(fgetp prhs velocity 0)
|
|
(load lhs plhs)
|
|
(load rhs prhs)
|
|
(add dest lhs rhs)
|
|
(store pdest dest)
|
|
|
|
(fgetp pdest next-position 1)
|
|
(fgetp plhs position 1)
|
|
(fgetp prhs velocity 1)
|
|
(load lhs plhs)
|
|
(load rhs prhs)
|
|
(add dest lhs rhs)
|
|
(store pdest dest)
|
|
|
|
(fgetp pdest next-position 2)
|
|
(fgetp plhs position 2)
|
|
(fgetp prhs velocity 2)
|
|
(load lhs plhs)
|
|
(load rhs prhs)
|
|
(add dest lhs rhs)
|
|
(store pdest dest)
|
|
|
|
(return next-position))
|
|
:parameter-count 2
|
|
:link-name "addv"})
|
|
|
|
(def as (sysir/asm ir-asm))
|
|
(print (sysir/to-c as))
|