Sergey Bugaev
c3db694d9b
AK: Always inline some Checked methods
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Once again, we need to hint the compiler that it should inline the function, and
then it is able to eliminate the assertion.
2020-05-31 21:38:50 +02:00
Sergey Bugaev
000a9cad34
AK: Fix Checked::multiplication_would_overflow() signature
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The two-argument version doesn't need an extra template parameter.
2020-05-20 08:31:31 +02:00
Andreas Kling
ea839861e5
AK: Make Checked.h work with Clang
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Apparently Clang does not have __builtin_foo_overflow_p()
Fixes #2044 .
2020-05-01 17:30:47 +02:00
Sergey Bugaev
361a1b54d7
AK: Add Checked::addition_would_overflow()
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And switch the two-argument version of Checked::multiplication_would_overflow()
to use __builtin_mul_overflow_p(). This helps GCC optimize the code better.
2020-04-30 11:30:27 +02:00
Andreas Kling
63b8c6913c
AK: Add Checked<T>::multiplication_would_overflow()
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This allows you to comfortably test if multiply 2 or 3 values would
cause arithmetic overflow.
2020-04-15 17:14:18 +02:00
Andreas Kling
9c54bad241
AK: Add a Checked<T> template
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A Checked<T> is a boxed integer type that asserts if you try to use its
value after an arithmetic overflow.
2020-04-15 16:58:46 +02:00
