Am 13.09.2013 09:50, schrieb Juha Manninen:
On Fri, Sep 13, 2013 at 12:10 AM, Mark Morgan Lloyd
<[email protected]> wrote:
What do you need for this: fpc -i output?
Yes, running on different CPUs. It is this section:
Supported CPU instruction sets:
My version shows only "ATHLON64" which I fixed now in the code for x86_64 CPU.
Mattias earlier told me about "fpc -P" option for selecting the CPU,
but it would require a cross-compiled fpc or something. For me only
this works:
$ fpc -i -Px86_64
Other values like "fpc -i -Pi386" or "fpc -i -Parm" give an error:
Error: ppc386 can't be executed, error message: Failed to execute
"ppc386", error code: 127
One thing is that selecting a different CPU family and processor type
in Lazarus IDE is not supported by FPC in most cases, but at least we
should see realistic choices in the list.
When you only do a
make all CPU_TARGET=Whatever_CPU OS_TARGET=Whatever_Target
then a compiler for that target will be created (e.g. ppc386, ppcx64,
ppc68k, etc.). You should not use that compiler for production however
as it is compiled using the RTL of your starting compiler. For checking
the supported CPUs using "-i" this will be sufficient however.
Thereby "Whatever_CPU" is one of FPC's supported CPUs (e.g. i386,
x86_64, m68k, mips, etc.) and "Whatever_Target" is a target supported on
that CPU (mostly you can use "linux", for AVR you'll need to use
"embedded" AFAIK).
Alternatively you can just take a look at the compiler/$cpu/cpuinfo.pas
units where there is a tcpuinfo enum and a cputypestr array. The latter
is what you can pass using -Cp.
Regards,
Sven
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