> BTW, I am concerned about the value of TARGET_HARD_FLOAT and TARGET_FPRS, > I think both of them is 1 here, because I built GCC natively on POWER, but > when I trace > it , I found it skips this condation statement as if ARGET_HARD_FLOAT is 0, > I do not know > why. > > I have searched TARGET_HARD_FLOAT in GCC internals for GCC 3.3.5 and found > nothing about it. Could anyone tell me which file define these two macros? > > I grep it in gcc/config/rs6000/ but it seems that there is no file define > it. Could > anybody here have a look at it and verify it for me, any comments are highly > appreicated.
TARGET_HARD_FLOAT is defined by the options generating file. So it is defined in rs6000.opt: mhard-float Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT) Use hardware floating point But that does not sense as the default value for powerpc-linux-gnu is hard floats. Thanks Andrew Pinski
