Re: sparc-rtems4.7-gcc versus fpu

2007-06-13 Thread Joel Sherrill
Eric Botcazou wrote: I have downloaded sparc-rtems4.7 and would like to use it for a leon2 target with fpu. I am puzzled on how the compiler inserts fpu instructions. My summary is: - The compiler does insert fpu instructions, if no fpu command line option is given or if "-mhard-quad-float" is u

Re: sparc-rtems4.7-gcc versus fpu

2007-06-13 Thread Eric Botcazou
> I have downloaded sparc-rtems4.7 and would like to use it for a leon2 > target with fpu. I am puzzled on how the compiler inserts fpu instructions. > My summary is: > > - The compiler does insert fpu instructions, if no fpu command line option > is given or if "-mhard-quad-float" is used. > > - T

Re: sparc-rtems4.7-gcc versus fpu

2007-06-13 Thread Joel Sherrill
The gcc version used by RTEMS 4.7 is 4.1.1 with no patches in this area. I duplicated this behavior with gcc 4.2.0. gcc 3.2.3 still generated FPU instructions in his test case. --joel Peter A. Krauss wrote: Hello, I have downloaded sparc-rtems4.7 and would like to use it for a leon2 target

sparc-rtems4.7-gcc versus fpu

2007-06-13 Thread Peter A. Krauss
Hello, I have downloaded sparc-rtems4.7 and would like to use it for a leon2 target with fpu. I am puzzled on how the compiler inserts fpu instructions. My summary is: - The compiler does insert fpu instructions, if no fpu command line option is given or if "-mhard-quad-float" is used. - The