Most constants don't need to be padded for relocations. So now that
these have all been audited, switch to defaulting to NoPad to reduce
verbosity.
The number of constant that need to be explicitly padded are now marked
and with all the prior changes, this allows bisecting if something has
gone wrong.
Enables memcpy optimization of 80bit floats on reduced precision.
Also uncovered a bug where if we had done 80bit memcpy
optimization, we wouldn't have properly stored the 80bits.
This was caught by the existing tests when we enabled the optimization.
This is the only usage of LSE atomics that isn't the fetch variety.
[This article](https://www.phoronix.com/news/Linux-6.18-ARM64-Atomics-Issue)
reminded me that this was a thing and that I should double check the IR.
This was the only IR operation remaining that still didn't use the fetch
variety. Convert it over to the fetch to avoid the expectation that it
can be a "remote atomic". Change is going to fall in to noise, but might
as well as be consistent.
The InterpretAsFloat was never properly made use of. There's a couple of issues
that are fixed more easily with this gone, so lets remove it.
If there's a specific optimization that requires this, we can bring it back
at a later time. This should not have any effect on the current code generation.
This mode has been broken for a long time because it's mostly untested.
Barriers, and backpatching while slow have proven that they work.
Maintain the one TSO path, at least until all ARM hardware gains support for
x86-TSO memory model mode.
Turns out a simpler way was added to the docs at some point and I never
noticed.
Before:
text data bss dec hex filename
4159895 1471360 4336824 9968079 9819cf Bin/FEX
After:
text data bss dec hex filename
4157159 1471360 4336824 9965343 980f1f Bin/FEX
Just a trivial rearrangement, Drops the struct down to 40 bytes.
We can also make some functions take it by const reference so we
aren't churning some copies.
Before:
text data bss dec hex filename
4160559 1471360 4336824 9968743 981c67 Bin/FEX
After:
text data bss dec hex filename
4159927 1471360 4336824 9968111 9819ef Bin/FEX
rbit is useful in generic algorithms.
`MaskGenerateFromBitWidth` is only really useful for SSE4a, but
implemented in the OpcodeDispatcher is rough, so add an operation.
This isn't actually used anywhere in the IR header, so we can
move it to where it's actually used.
Now the IR interface header doesn't have anything related to the
independent passes in it.
Reduces a bunch of noise related to the register classes and hoists them
out so that converting the classes over to enums should be fairly
straightforward.
This allows easily moving the default case out of the switch, making it
easier for compilers to warn about missing values in switches if any
enum members are added in the future but aren't added to the
formatters.
Ryan Houdek