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5a15bba2
2006 Mar 27
1
-march=pentium2 + -mtune=pentium4 faster then -march=pentium4?
Why does GCC produce faster code using "-march=pentium2
-mtune=pentium4" on a Pentium 4 chip versus plain -march=pentium4?
Try it...
CPUTYPE=pentium2
CFLAGS+= -mtune=pentium4
COPTFLAGS+= -mtune=pentium4
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