Re: RTX costs

2010-02-09 Thread Paulo J. Matos
Joern Rennecke wrote: Quoting "Paulo J. Matos" : Hi all, After reading the internal docs about rtx_costs I am left wondering what they exactly are estimating. - Are they estimating in the beginning of expand how many insns will be generated from a particular insn until the assembler is generat

Re: RTX costs

2010-02-09 Thread Richard Kenner
> After reading the internal docs about rtx_costs I am left wondering what > they exactly are estimating. > - Are they estimating in the beginning of expand how many insns will be > generated from a particular insn until the assembler is generated? > - or Are they estimating how many assembler in

Re: RTX costs

2010-02-09 Thread Joern Rennecke
Quoting "Paulo J. Matos" : Hi all, After reading the internal docs about rtx_costs I am left wondering what they exactly are estimating. - Are they estimating in the beginning of expand how many insns will be generated from a particular insn until the assembler is generated? - or Are they estim