Re: mips secondary reload question

2010-05-13 Thread Richard Sandiford
"Amker.Cheng" writes: > Hi: > as to page http://gcc.gnu.org/ml/gcc/2010-05/msg00091.html, > If the fpu register can not copied to/from memory directly, I have > to use intermediate GPR registers. > > In fact, I return GP_REGS if copying x to a register in class FP_REGS > in any mode(including CC

mips secondary reload question

2010-05-12 Thread Amker.Cheng
Hi: as to page http://gcc.gnu.org/ml/gcc/2010-05/msg00091.html, If the fpu register can not copied to/from memory directly, I have to use intermediate GPR registers. In fact, I return GP_REGS if copying x to a register in class FP_REGS in any mode(including CCmode), this results in infinite recu