[PATCH] D44608: [x86] put nops into the WriteNop class and make latency = 0 for Jaguar
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Mar 18 08:34:58 PDT 2018
RKSimon added a comment.
x87 fnop as well?
================
Comment at: test/CodeGen/X86/schedule-x86_64.ll:8398
+; BTVER2-NEXT: nopq %rdx # sched: [0:?]
+; BTVER2-NEXT: nopq (%r9) # sched: [0:?]
; BTVER2-NEXT: #NO_APP
----------------
According to the 16h SOG tables, these should be [1:0.5] on the ALU pipes
https://reviews.llvm.org/D44608
More information about the llvm-commits
mailing list