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* correctly handle a floating point result

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git-svn-id: trunk@40664 -
This commit is contained in:
svenbarth 2018-12-26 22:59:30 +00:00
parent 551e36cd19
commit dbaf7a69bd
1 changed files with 11 additions and 0 deletions
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11
packages/rtl-objpas/src/x86_64/invoke.inc
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@ -28,6 +28,8 @@ asm
.seh_savereg %rsi, 16
movq %rdi, 24(%rsp)
.seh_savereg %rdi, 24
movq %r8, 32(%rsp)
.seh_savereg %r8, 32
movq %rsp, %rbp
.seh_setframe %rbp, 0
@ -71,6 +73,10 @@ asm
{ restore non-volatile registers }
movq %rbp, %rsp
{ we abuse the register area pointer for an eventual SSE2 result }
movq 32(%rsp), %rdi
movq %xmm0, (%rdi)
movq 24(%rsp), %rdi
movq 16(%rsp), %rsi
movq 8(%rsp), %rbp
@ -249,6 +255,11 @@ begin
if Assigned(aResultType) and not retinparam then begin
PPtrUInt(aResultValue)^ := val;
if aResultType^.Kind = tkFloat then begin
td := GetTypeData(aResultType);
if td^.FloatType in [ftSingle, ftDouble] then
PPtrUInt(aResultValue)^ := regs[0];
end;
end;
{$else}
raise EInvocationError.Create(SErrPlatformNotSupported);