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Constructs webs

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Constructs webs as commonly used for register allocation purposes and assign each web individual pseudo register. This allows the register allocation pass to operate on pseudos directly, but also strengthens several other optimization passes, such as CSE, loop optimizer and trivial dead code remover. It can, however, make debugging impossible, since variables no longer stay in a “home register”.
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RubenKelevra
2022-05-14 21:03:06 +02:00
parent 27e539fb28
commit c8d28055ec
1 changed files with 1 additions and 1 deletions
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2
utils.go
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@@ -727,7 +727,7 @@ func setupMakepkg(march string) error {
}
makepkgStr = strings.ReplaceAll(makepkgStr, " color ", " !color ")
// Add align-functions=32, see https://github.com/InBetweenNames/gentooLTO/issues/164 for more
makepkgStr = strings.ReplaceAll(makepkgStr, "-O2", "-O3 -falign-functions=32 -mpclmul -fdevirtualize-at-ltrans -fgcse-sm -fgcse-las -flive-range-shrinkage -fira-loop-pressure -fsched-pressure -fmodulo-sched -fmodulo-sched-allow-regmoves -freschedule-modulo-scheduled-loops -fdelete-dead-exceptions -fgraphite -fgraphite-identity -fsplit-stack -fipa-pta -fisolate-erroneous-paths-attribute -fira-region=mixed -fsimd-cost-model=dynamic -frename-registers")
makepkgStr = strings.ReplaceAll(makepkgStr, "-O2", "-O3 -falign-functions=32 -mpclmul -fdevirtualize-at-ltrans -fgcse-sm -fgcse-las -flive-range-shrinkage -fira-loop-pressure -fsched-pressure -fmodulo-sched -fmodulo-sched-allow-regmoves -freschedule-modulo-scheduled-loops -fdelete-dead-exceptions -fgraphite -fgraphite-identity -fsplit-stack -fipa-pta -fisolate-erroneous-paths-attribute -fira-region=mixed -fsimd-cost-model=dynamic -frename-registers -fweb")
makepkgStr = strings.ReplaceAll(makepkgStr, "#MAKEFLAGS=\"-j2\"", "MAKEFLAGS=\"-j"+strconv.Itoa(conf.Build.Makej)+"\"")
makepkgStr = reMarch.ReplaceAllString(makepkgStr, "${1}"+march)
makepkgStr = strings.ReplaceAll(makepkgStr, "#PACKAGER=\"John Doe <john@doe.com>\"", "PACKAGER=\"ALHP "+march+" <alhp@harting.dev>\"")