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[X86] Incorrect throughput for FP divide in Sandybridge/Haswell/Broadwell/Skylake scheduler model #36246

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@topperc

Description

@topperc
Bugzilla Link 36898
Resolution FIXED
Resolved on Apr 03, 2018 18:30
Version trunk
OS All
Blocks #31672
CC @RKSimon

Extended Description

For example, this seems wrong

; GENERIC-LABEL: test_divps:
; GENERIC: # %bb.0:
; GENERIC-NEXT: vdivps %ymm1, %ymm0, %ymm0 # sched: [29:2.00]
; GENERIC-NEXT: vdivps (%rdi), %ymm0, %ymm0 # sched: [36:2.00]
; GENERIC-NEXT: retq # sched: [1:1.00]

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