On Tuesday, 28 May 2019 at 01:23:18 UTC, Walter Bright wrote:
32 Bit Linux now uses XMM registers for float and double rather
than the x87.
This should substantially speed up routine float and double
processing.
SIMD vector operations, however, are still not support on 32
bit Linux code
because of issues with 16 byte stack alignment.
This means that generated code will no longer work on older x86
processors that
do not have XMM registers. If this is an issue, please file a
bug report.
https://github.com/dlang/dmd/pull/9895
DMD always had that capability, it just wasn't enabled for
backwards compatibility with older processors.
Thanks a lot. I expect it resolves some ancient issues I had with
math functions when compiled with DMD.
Does DMD still use x87 for float/double on other targets?
