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m68k: allow vecnode to use word size index registers

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git-svn-id: trunk@43044 -
This commit is contained in:
Károly Balogh 2019-09-20 11:37:18 +00:00
parent 19a6964088
commit 435b57bdb1
1 changed files with 12 additions and 3 deletions
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15
compiler/m68k/n68kmem.pas
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@ -35,6 +35,7 @@ interface
t68kvecnode = class(tcgvecnode)
procedure update_reference_reg_mul(maybe_const_reg: tregister; regsize: tdef; l: aint); override;
procedure update_reference_reg_packed(maybe_const_reg: tregister; regsize: tdef; l:aint); override;
function valid_index_size(size: tcgsize): boolean; override;
//procedure pass_generate_code;override;
end;
@ -54,6 +55,14 @@ implementation
T68KVECNODE
*****************************************************************************}
function t68kvecnode.valid_index_size(size: tcgsize): boolean;
begin
if (CPUM68K_HAS_INDEXWORD in cpu_capabilities[current_settings.cputype]) then
result:=tcgsize2signed[size] in [OS_S16,OS_S32]
else
result:=inherited;
end;
{ this routine must, like any other routine, not change the contents }
{ of base/index registers of references, as these may be regvars. }
{ The register allocator can coalesce one LOC_REGISTER being moved }
@ -77,8 +86,8 @@ implementation
((CPUM68K_HAS_INDEXSCALE8 in cpu_capabilities[current_settings.cputype]) and (l in [2,4,8]))) then
begin
//current_asmdata.CurrAsmList.concat(tai_comment.create(strpnew('updref: mul')));
hreg:=cg.getintregister(current_asmdata.CurrAsmList,OS_32);
cg.a_op_const_reg_reg(current_asmdata.CurrAsmList,OP_IMUL,OS_ADDR,l,maybe_const_reg,hreg);
hreg:=cg.getintregister(current_asmdata.CurrAsmList,OS_S32);
cg.a_op_const_reg_reg(current_asmdata.CurrAsmList,OP_IMUL,def_cgsize(regsize),l,maybe_const_reg,hreg);
maybe_const_reg:=hreg;
end
else
@ -95,7 +104,7 @@ implementation
begin
//current_asmdata.CurrAsmList.concat(tai_comment.create(strpnew('updref: copytoa')));
hreg:=cg.getaddressregister(current_asmdata.CurrAsmList);
cg.a_load_reg_reg(current_asmdata.CurrAsmList,OS_ADDR,OS_ADDR,maybe_const_reg,hreg);
cg.a_load_reg_reg(current_asmdata.CurrAsmList,def_cgsize(regsize),OS_ADDR,maybe_const_reg,hreg);
maybe_const_reg:=hreg;
end;
location.reference.base:=maybe_const_reg;