Benjamin Kramer 058666a8d0 Driver: Link crtfastmath.o if it's available and -ffast-math is specified. ... crtfastmath.o contains routines to set the floating point flags to a faster, unsafe mode. Linking it in speeds up code dealing with denormals significantly (PR14024). For now this is only enabled on linux where I can test it and crtfastmath.o is widely available. We may want to provide a similar file with compiler-rt eventually and/or enable it on other platforms too. llvm-svn: 165240		2012-10-04 19:42:20 +00:00
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usr	Driver: Link crtfastmath.o if it's available and -ffast-math is specified.	2012-10-04 19:42:20 +00:00