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* Win64 apparently expects records with single field of floating-point type to be passed the same way as that only field, i.e. in xmm register. Fixes tests/cg/tcalext6.pp.

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git-svn-id: trunk@27431 -
This commit is contained in:
sergei 2014-04-01 17:04:47 +00:00
parent db621780d5
commit 8c693a3300
1 changed files with 11 additions and 0 deletions
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11
compiler/x86_64/cpupara.pas
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@ -1056,6 +1056,7 @@ unit cpupara;
i,
varalign,
paraalign : longint;
sym: tfieldvarsym;
begin
paraalign:=get_para_align(p.proccalloption);
{ Register parameters are assigned from left to right }
@ -1063,6 +1064,16 @@ unit cpupara;
begin
hp:=tparavarsym(paras[i]);
paradef:=hp.vardef;
{ on win64, if a record has only one field and that field is a
single or double, it has to be handled like a single/double }
if (target_info.system=system_x86_64_win64) and
((paradef.typ=recorddef) {or
is_object(paradef)}) and
tabstractrecordsymtable(tabstractrecorddef(paradef).symtable).has_single_field(sym) and
(sym.vardef.typ=floatdef) and
(tfloatdef(sym.vardef).floattype in [s32real,s64real]) then
paradef:=sym.vardef;
pushaddr:=push_addr_param(hp.varspez,paradef,p.proccalloption);
if pushaddr then
begin