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Remove some use of UB #465

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merged 7 commits into from
Apr 19, 2024
Merged

Remove some use of UB #465

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a87eb39
Align uint8_t array to keep UBSAN happy
solidpixel Apr 18, 2024
dc94e8c
Avoid undefined shifts of sign bit in signed ints
solidpixel Apr 19, 2024
00206da
Zero init SIMD overspill
solidpixel Apr 19, 2024
293ef40
Add padding to arrays for UB unaligned load
solidpixel Apr 19, 2024
81c2d75
Revert whitespace change
solidpixel Apr 19, 2024
b674034
Update copyright year
solidpixel Apr 19, 2024
e17acf0
Remove formatting change
solidpixel Apr 19, 2024
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Revert whitespace change
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@solidpixel
solidpixel committed Apr 19, 2024
commit 81c2d75d2a8976c52e6fa75b976072f63c339d6b
1 change: 1 addition & 0 deletions Source/astcenc_vecmathlib.h
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Original file line number Diff line number Diff line change
Expand Up @@ -461,6 +461,7 @@ static ASTCENC_SIMD_INLINE vint4 unorm16_to_sf16(vint4 p)
p = p & vint4(0xFFFF);

p = lsr<6>(p);

p = p | lsl<10>((vint4(14) - lz));

vint4 r = select(p, fp16_one, is_one);
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