哈密瓜大哥的Linux优化经验

CXXFLAGS="-march=k6 -O3 -pipe -fomit-frame-pointer"

K6-2 (AMD)

CHOST="i586-pc-linux-gnu"
CFLAGS="-march=k6-2 -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=k6-2 -O3 -pipe -fomit-frame-pointer"

K6-3 (AMD)

CHOST="i586-pc-linux-gnu"
CFLAGS="-march=k6-3 -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=k6-3 -O3 -pipe -fomit-frame-pointer"

Athlon (AMD)

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=athlon -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=athlon -O3 -pipe -fomit-frame-pointer"

Athlon-tbird, aka K7 (AMD)

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=athlon-tbird -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=athlon-tbird -O3 -pipe -fomit-frame-pointer"

Athlon-tbird XP (AMD)

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"

Athlon 4(AMD)

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=athlon-4 -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=athlon-4 -O3 -pipe -fomit-frame-pointer"

Athlon XP (AMD)

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"

Athlon MP (AMD)

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=athlon-mp -O3 -pipe -fomit-frame-pointer"
CXXFLAGS="-march=athlon-mp -O3 -pipe -fomit-frame-pointer"

603 (PowerPC)

CHOST="powerpc-unknown-linux-gnu"
CFLAGS="-O3 -pipe -fsigned-char"
CXXFLAGS="-O3 -pipe -fsigned-char"

603e (PowerPC)

CHOST="powerpc-unknown-linux-gnu"
CFLAGS="-O3 -pipe -fsigned-char"
CXXFLAGS="-O3 -pipe -fsigned-char"

604 (PowerPC)

CHOST="powerpc-unknown-linux-gnu"
CFLAGS="-O3 -pipe -fsigned-char"
CXXFLAGS="-O3 -pipe -fsigned-char"

604e (PowerPC)

CHOST="powerpc-unknown-linux-gnu"
CFLAGS="-O3 -pipe -fsigned-char"
CXXFLAGS="-O3 -pipe -fsigned-char"

750 aka as G3 (PowerPC)

CHOST="powerpc-unknown-linux-gnu"
CFLAGS="-mcpu=750 -O3 -pipe -fsigned-char -mpowerpc-gfxopt"
CXXFLAGS="-mcpu=750 -O3 -pipe -fsigned-char -mpowerpc-gfxopt"

7400, aka G4 (PowerPC)

CHOST="powerpc-unknown-linux-gnu"
CFLAGS="-mcpu=7400 -O2 -pipe -fsigned-char -maltivec
-mabi=altivec -mpowerpc-gfxopt"
CXXFLAGS="-mcpu=7400 -O2 -pipe -fsigned-char -maltivec
-mabi=altivec -mpowerpc-gfxopt"
-fsigned-char -maltivec -mabi=altivec -mpowerpc-gfxopt"

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