https://issues.dlang.org/show_bug.cgi?id=17484
--- Comment #1 from [email protected] --- Commit pushed to master at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/1f11aa0eb8f6087b7dbadeb770e4526ec9808ccc fix Issue 17484 - high penalty for AVX-256 instructions with AVX-128 regs - as the upper 128-bits are no longer zero, the CPU will save/restore them when that register is used with legacy SSE instructions - avoid using vbroadcastsd which is a AVX-256 only instruction to initialize 128-bit XMM vectors --
