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cs_opt_consts: disable when non-local gotos are active

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This optimisation can insert code after the call to fpc_setjmp, resulting in
it not getting executed after a longjmp. Fixes tmacnonlocalgoto on AArch64
with -O2 or higher.
This commit is contained in:
Jonas Maebe 2022-10-08 22:27:23 +02:00
parent 5b73fc4d0e
commit d12bf094ab
1 changed files with 5 additions and 1 deletions
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6
compiler/psub.pas
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@ -1314,7 +1314,11 @@ implementation
if cs_opt_use_load_modify_store in current_settings.optimizerswitches then if cs_opt_use_load_modify_store in current_settings.optimizerswitches then
do_optloadmodifystore(code); do_optloadmodifystore(code);
if cs_opt_consts in current_settings.optimizerswitches then if (cs_opt_consts in current_settings.optimizerswitches) and
{ non-local gotos can cause an fpc_setjmp call to be generated before
this block, which means the loaded value won't be loaded when the
longjmp is performed }
not(m_non_local_goto in current_settings.modeswitches) then
do_consttovar(code); do_consttovar(code);
end; end;