paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-08-19 22:30:36 +02:00
Code Issues Packages Projects Releases Wiki Activity

* fixes reference handling for arm thumb and ldrh, not perfect yet

Browse Source 
git-svn-id: trunk@28568 -
This commit is contained in:
florian 2014-08-31 18:00:10 +00:00
parent 604b277183
commit 8a7c16327c
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
compiler/arm/cgcpu.pas
View File

@ -4074,8 +4074,19 @@ unit cgcpu;
((op=A_LDRB) and (oppostfix=PF_None))) and ((op=A_LDRB) and (oppostfix=PF_None))) and
((ref.base=NR_STACK_POINTER_REG) or ((ref.base=NR_STACK_POINTER_REG) or
(ref.index=NR_STACK_POINTER_REG) or (ref.index=NR_STACK_POINTER_REG) or
(abs(ref.offset)>31)) (abs(ref.offset)>31)
) then )
) or
{ LDRH limitations }
(
(((op=A_LDR) and (oppostfix=PF_H)) or
((op=A_LDRH) and (oppostfix=PF_None))) and
((ref.base=NR_STACK_POINTER_REG) or
(ref.index=NR_STACK_POINTER_REG) or
(abs(ref.offset)>62) or
((abs(ref.offset) mod 2)<>0)
)
) then
begin begin
tmpreg:=getintregister(list,OS_ADDR); tmpreg:=getintregister(list,OS_ADDR);
a_loadaddr_ref_reg(list,ref,tmpreg); a_loadaddr_ref_reg(list,ref,tmpreg);