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* tcgaarch64.g_concatcopy calls tcgaarch64.g_concatcopy_move only if the current subroutine has pi_do_call set

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* fixed copy loop in tcgaarch64.g_concatcopy if ldp/stp is used: fixed increment calculation and fixed tail length calculation
This commit is contained in:
florian 2021-11-02 22:01:52 +01:00
parent 7e4753bebd
commit e0a78c2485
1 changed files with 7 additions and 3 deletions
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10
compiler/aarch64/cgcpu.pas
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@ -2500,7 +2500,8 @@ implementation
if cs_opt_size in current_settings.optimizerswitches then
maxlenunrolled:=maxlenunrolled div 2;
if (len>maxlenunrolled) and
(len>totalalign*8) then
(len>totalalign*8) and
(pi_do_call in current_procinfo.flags) then
begin
g_concatcopy_move(list,source,dest,len);
exit;
@ -2585,7 +2586,7 @@ implementation
current_asmdata.getjumplabel(hl);
countreg:=getintregister(list,OS_32);
if loadop=A_LDP then
a_load_const_reg(list,OS_32,len div tcgsize2size[opsize]*2,countreg)
a_load_const_reg(list,OS_32,len div (tcgsize2size[opsize]*2),countreg)
else
a_load_const_reg(list,OS_32,len div tcgsize2size[opsize],countreg);
a_label(list,hl);
@ -2604,7 +2605,10 @@ implementation
genloadstore(list,storeop,regs[1],tmpdest,postfix,opsize);
end;
list.concat(taicpu.op_reg_sym_ofs(A_CBNZ,countreg,hl,0));
len:=len mod tcgsize2size[opsize];
if loadop=A_LDP then
len:=len mod (tcgsize2size[opsize]*2)
else
len:=len mod tcgsize2size[opsize];
end;
gencopyleftovers(list,tmpsource,tmpdest,len);
end;