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fixing missing antidependencies

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Signed-off-by: Jakub Doka <jakub.doka2@gmail.com>
This commit is contained in:
Jakub Doka 2024-12-16 17:37:14 +01:00
parent c0d957e70c
commit 1ca9529302
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GPG key ID: C6E9A89936B8C143
2 changed files with 20 additions and 9 deletions
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15
lang/src/son.rs
View file

@ -28,9 +28,11 @@ use {
fmt::{self, Debug, Display, Write},
format_args as fa, mem,
ops::{self, Range},
usize,
},
hashbrown::hash_map,
hbbytecode::DisasmError,
std::panic,
};
pub const VOID: Nid = 0;
@ -476,6 +478,7 @@ impl Nodes {
antidep_bounds: &mut Vec<Nid>,
) -> Nid {
debug_assert!(self[load].kind == Kind::Load);
debug_assert!(self.dominates(scheds[load as usize], min, Some(scheds)), "{load}");
let (aclass, _) = self.aclass_index(self[load].inputs[1]);
@ -496,6 +499,9 @@ impl Nodes {
match self[out].kind {
Kind::Stre => {
let mut cursor = scheds[out as usize];
if cursor == scheds[load as usize] {
antidep_bounds.extend([load, out]);
}
while cursor != scheds[load as usize]
&& self.idepth(cursor, Some(scheds))
> self.idepth(scheds[load as usize], Some(scheds))
@ -509,14 +515,19 @@ impl Nodes {
}
cursor = self.idom(cursor, Some(scheds));
}
//if out == 110 && load == 108 {
// panic!("{min} {cursor} {}", antideps[cursor as usize] == load)
//}
break;
}
Kind::Phi => {
let n = self[out].inputs[1..]
let side = self[out].inputs[1..]
.iter()
.position(|&n| n == self[load].inputs[2])
.unwrap();
let mut cursor = self[self[out].inputs[0]].inputs[n];
let ctrl = self[out].inputs[0];
let mut cursor = self[ctrl].inputs[side];
while cursor != scheds[load as usize]
&& self.idepth(cursor, Some(scheds))
> self.idepth(scheds[load as usize], Some(scheds))

14
lang/tests/son_tests_generic_types.txt
View file

@ -151,13 +151,13 @@ push:
CP r32, r33
CP r34, r36
JMP :7
0: LD r32, r38, 0a, 8h
LD r33, r38, 8a, 8h
ADD64 r32, r33, r32
ST r39, r32, 0a, 1h
ADD64 r33, r33, r37
ST r33, r38, 8a, 8h
CP r1, r32
0: LD r32, r38, 8a, 8h
LD r33, r38, 0a, 8h
ADD64 r33, r32, r33
ST r39, r33, 0a, 1h
ADD64 r32, r32, r37
ST r32, r38, 8a, 8h
CP r1, r33
4: LD r31, r254, 0a, 80h
ADDI64 r254, r254, 80d
JALA r0, r31, 0a