[X86] PMULLD latency wrong in skylake scheduler model #36156
Description
| Bugzilla Link | 36808 |
| Resolution | FIXED |
| Resolved on | Mar 20, 2018 16:40 |
| Version | trunk |
| OS | Windows NT |
| Blocks | #31672 |
| CC | @RKSimon |
Extended Description
skylake client and server scheduler models show a latency of 8. Haswell/Broadwell have 10. Agner's tables, Intel® Xeon® Scalable Processor throughput latency doc, and the llvm-exegesis data show 10 for skylake.