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This lets sdlMAME/sdlMESS compile on Fedora GCC 5.1.1 with LTO enabled with line:

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make -jX SSE2=1 LTO=1

(pick X wisely as Xx4 link threads will run to speed up lto)

Super Mario 64 runs at 88% on old I7-920 in a VM (from 55%).

Windows Mingw-64 5.1.1 LTO is not possible for now :(

Why do we need to say 'SSE2=1' since MAME now requires a CPU with that for a minimum?

(nw)
This commit is contained in:
Cowering 2015-06-19 14:29:35 -05:00
parent a68161ee27
commit 3904c29734
1 changed files with 3 additions and 1 deletions
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4
scripts/genie.lua
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@ -800,7 +800,7 @@ if _OPTIONS["OPTIMIZE"] then
} }
end end
if _OPTIONS["LTO"]=="1" then if _OPTIONS["LTO"]=="1" then
-- -flto=4 -> 4 threads -- -flto=4 -> 4 threads, reduce if you are low on memory (less than 8G)
buildoptions { buildoptions {
"-flto=4", "-flto=4",
} }
@ -826,7 +826,9 @@ end
if _OPTIONS["SSE2"]=="1" then if _OPTIONS["SSE2"]=="1" then
buildoptions { buildoptions {
"-msse",
"-msse2", "-msse2",
"-msse3"
} }
end end