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mcschedmodel
2016 Dec 16
1
help/hints/suggestions/tips please: how to give _generic_ compilation for a particular ISA a non-zero LoopMicroOpBufferSize?
...default MCSchedModel in an ISA-specific way, but I`ve come up empty.
The closest I found to what I was looking for seems to be a barrier for what I am trying to do;
quoting "lib/Target/AArch64/AArch64GenSubtargetInfo.inc" in a build dir.:
{ "generic", (const void *)&NoSchedModel },
[...]
static const llvm::MCSchedModel NoSchedModel = {
MCSchedModel::DefaultIssueWidth,
MCSchedModel::DefaultMicroOpBufferSize,
MCSchedModel::DefaultLoopMicroOpBufferSize,
... where "NoSchedModel" seems to be generated from this TableGen code in the source-tree...