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Load/store constant offset utility

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This commit is contained in:
dcodeIO
2018-01-21 16:34:50 +01:00
parent b77646df6e
commit a257b6e529
11 changed files with 327 additions and 27 deletions
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20
examples/tlsf/assembly/tlsf.ts
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@ -229,9 +229,8 @@ class Control extends BlockHeader { // Empty lists point here, indicating free
const offset = BlockHeader.SIZE + sizeof<u32>();
return load<u32>(
changetype<usize>(this)
+ offset
+ fl_index * sizeof<u32>()
);
, offset);
}
/**
@ -242,10 +241,9 @@ class Control extends BlockHeader { // Empty lists point here, indicating free
const offset = BlockHeader.SIZE + sizeof<u32>();
return store<u32>(
changetype<usize>(this)
+ offset
+ fl_index * sizeof<u32>(),
sl_map
);
, offset);
}
/**
@ -256,9 +254,8 @@ class Control extends BlockHeader { // Empty lists point here, indicating free
const offset = BlockHeader.SIZE + (1 + FL_INDEX_COUNT) * sizeof<u32>();
return load<BlockHeader>(
changetype<usize>(this)
+ offset
+ (fli * SL_INDEX_COUNT + sli) * sizeof<usize>()
);
, offset);
}
/**
@ -269,10 +266,9 @@ class Control extends BlockHeader { // Empty lists point here, indicating free
const offset = BlockHeader.SIZE + (1 + FL_INDEX_COUNT) * sizeof<u32>();
return store<BlockHeader>(
changetype<usize>(this)
+ offset
+ (fl_index * SL_INDEX_COUNT + sl_index) * sizeof<usize>(),
block
);
, offset);
}
///////////////////////////////// Methods ///////////////////////////////////
@ -651,9 +647,11 @@ function test_ffs_fls(): i32 {
rv += (ffs<u32>(0x80008000) == 15) ? 0 : 0x20;
rv += (fls<u32>(0x80000008) == 31) ? 0 : 0x40;
rv += (fls<u32>(0x7FFFFFFF) == 30) ? 0 : 0x80;
rv += (fls<u64>(0x80000000) == 31) ? 0 : 0x100;
rv += (fls<u64>(0x100000000) == 32) ? 0 : 0x200;
rv += (fls<u64>(0xffffffffffffffff) == 63) ? 0 : 0x400;
if (sizeof<usize>() == 8) {
rv += (fls<u64>(0x80000000) == 31) ? 0 : 0x100;
rv += (fls<u64>(0x100000000) == 32) ? 0 : 0x200;
rv += (fls<u64>(0xffffffffffffffff) == 63) ? 0 : 0x400;
}
return rv;
}