[fpc-devel] error target i386 -Cp80486

[Tomas Hajny]

On 2024-04-23 11:50, Marģers . via fpc-devel wrote:
> 1) does not work
> make clean singlezipinstall OS_TARGET=win32 CPU_TARGET=i386
> ALLOW_WARNINGS=1 OPT="  -O2 -vxitl -Cp80486 -Op80486"
> 
> hangs on
> system.inc(421,2) Start reading includefile
> C:\Users\Lietotajs\Downloads\fora\a\486\gh\rtl\inc\generic.inc
  .
  .

Indeed. This is clearly an issue related to optimizations. The important 
point missing here is that it happens when compiling with ppc1.exe. I 
just tried building a trunk compiler (make rtl_all compiler_all) with 
"OPT=-O- -Cp80486 -Op80486" and then started another compilation round 
with compiler built this way, but using -O2 this time, in order to make 
sure that it wasn't an optimization bug in the released 3.2.2 compiler. 
The new compilation round (using a non-optimized compiler) hangs at an 
exactly the same place, i.e. it's a bug (probably endless loop?) in the 
optimization code specific to the trunk compiler. @Gareth, could you 
please have a look at it?

Tomas