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Fix division of constants on ARM thumb without long multiplication.

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git-svn-id: trunk@42158 -
This commit is contained in:
Jeppe Johansen 2019-06-01 20:30:09 +00:00
parent 2f501be2a0
commit cba4aeaca5
1 changed files with 7 additions and 5 deletions
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12
compiler/arm/narmmat.pas
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@ -164,7 +164,7 @@ implementation
cg.a_op_const_reg_reg(current_asmdata.CurrAsmList,OP_SAR,OS_INT,31,numerator,helper1);
if GenerateThumbCode then
begin
cg.a_op_const_reg(current_asmdata.CurrAsmList,OP_SAR,OS_INT,32-power,helper1);
cg.a_op_const_reg(current_asmdata.CurrAsmList,OP_SHR,OS_INT,32-power,helper1);
current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg_reg(A_ADD,helper2,numerator,helper1));
end
else
@ -179,9 +179,12 @@ implementation
else
cg.a_op_const_reg_reg(current_asmdata.CurrAsmList,OP_SHR,OS_INT,power,numerator,resultreg)
end
else {Everything else is handled the generic code}
else if CPUARM_HAS_UMULL in cpu_capabilities[current_settings.cputype] then
{Everything else is handled the generic code}
cg.g_div_const_reg_reg(current_asmdata.CurrAsmList,def_cgsize(resultdef),
tordconstnode(right).value.svalue,numerator,resultreg);
tordconstnode(right).value.svalue,numerator,resultreg)
else
internalerror(2019012601);
end;
{
@ -286,8 +289,7 @@ implementation
resultreg:=cg.getintregister(current_asmdata.CurrAsmList,size);
end;
if (right.nodetype=ordconstn) and
(CPUARM_HAS_UMULL in cpu_capabilities[current_settings.cputype]) then
if (right.nodetype=ordconstn) then
begin
if nodetype=divn then
genOrdConstNodeDiv