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| author | jonas <jonas@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2018-11-26 22:27:35 +0000 |
|---|---|---|
| committer | jonas <jonas@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2018-11-26 22:27:35 +0000 |
| commit | 960fa8b8e76d7f4536d3d7ecf0650a5060e7cc7b (patch) | |
| tree | dba10aa1839e34e49720c4847bba93c59bf67e7d /compiler/ncgld.pas | |
| parent | fcda8cd923b137e38d56f44cffdc86ab91b260f9 (diff) | |
| download | fpc-960fa8b8e76d7f4536d3d7ecf0650a5060e7cc7b.tar.gz | |
* cap the assumed alignment of pass-by-reference parameters to the minimum of
their default alignment, the alignment of locals, globals and constants
(so that we don't overestimate the alignment of global normal set
constants to 32 bytes, while the maximum const alignment is often only
8 bytes)
git-svn-id: https://svn.freepascal.org/svn/fpc/trunk@40374 3ad0048d-3df7-0310-abae-a5850022a9f2
Diffstat (limited to 'compiler/ncgld.pas')
| -rw-r--r-- | compiler/ncgld.pas | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/ncgld.pas b/compiler/ncgld.pas index a152b2ab14..445f079e5d 100644 --- a/compiler/ncgld.pas +++ b/compiler/ncgld.pas @@ -420,6 +420,7 @@ implementation href : treference; newsize : tcgsize; vd : tdef; + alignment: longint; indirect : boolean; name : TSymStr; begin @@ -529,7 +530,10 @@ implementation { assume packed records may always be unaligned } if not(resultdef.typ in [recorddef,objectdef]) or (tabstractrecordsymtable(tabstractrecorddef(resultdef).symtable).usefieldalignment<>1) then - location_reset_ref(location,LOC_REFERENCE,newsize,resultdef.alignment,[]) + begin + alignment:=min(min(min(resultdef.alignment,current_settings.alignment.localalignmax),current_settings.alignment.constalignmax),current_settings.alignment.varalignmax); + location_reset_ref(location,LOC_REFERENCE,newsize,alignment,[]); + end else location_reset_ref(location,LOC_REFERENCE,newsize,1,[]); hlcg.reference_reset_base(location.reference,voidpointertype,hregister,0,ctempposinvalid,location.reference.alignment,[]); |