paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-04-16 12:19:30 +02:00
Code Issues Packages Projects Releases Wiki Activity

+ fix RegReadByInstruction for the x86 MOVSD instruction

Browse Source 
git-svn-id: trunk@35968 -
This commit is contained in:
nickysn 2017-04-27 14:42:08 +00:00
parent 7ea0429d40
commit ff1ee6836d
5 changed files with 16 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
compiler/i386/aoptcpu.pas
View File

@ -197,6 +197,17 @@ unit aoptcpu;
RegReadByInstruction := true;
exit
end;
{ special handling for SSE MOVSD }
if (p.opcode=A_MOVSD) and (p.ops>0) then
begin
if p.ops<>2 then
internalerror(2017042702);
regReadByInstruction := reginop(reg,p.oper[1]^) or
(
(p.oper[0]^.typ=top_reg) and (p.oper[1]^.typ=top_reg) and reginop(reg, p.oper[0]^)
);
exit;
end;
with insprop[p.opcode] do
begin
if getregtype(reg)=R_INTREGISTER then

2
compiler/i386/i386prop.inc
View File

@ -197,7 +197,7 @@
(Ch: [Ch_Rop1, Ch_Wop2]),
(Ch: [Ch_Rop1, Ch_Wop2]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_All, Ch_RDirFlag]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_Wop2, Ch_Rop1]),
(Ch: [Ch_Wop2, Ch_Rop1]),

2
compiler/i8086/i8086prop.inc
View File

@ -197,7 +197,7 @@
(Ch: [Ch_Rop1, Ch_Wop2]),
(Ch: [Ch_Rop1, Ch_Wop2]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_All, Ch_RDirFlag]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_Wop2, Ch_Rop1]),
(Ch: [Ch_Wop2, Ch_Rop1]),

4
compiler/x86/x86ins.dat
View File

@ -1108,8 +1108,8 @@ reg64,xmmreg \361\326\2\x0F\x7E\101 WILLAMETTE,SSE2,X86_64
void \1\xA4 8086
[MOVSD,movsl]
; Ch_All and Ch_RDirFlag aren't correct for the sse move, but how can it be solved? (FK)
(Ch_All, Ch_RDirFlag)
; Change flags aren't correct for the sse move, so it is handled as a special case in the compiler code
(Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag)
void \325\1\xA5 386
xmmreg,xmmrm \334\2\x0F\x10\110 WILLAMETTE,SSE2
xmmrm,xmmreg \334\2\x0F\x11\101 WILLAMETTE,SSE2

2
compiler/x86_64/x8664pro.inc
View File

@ -187,7 +187,7 @@
(Ch: [Ch_Rop1, Ch_Wop2]),
(Ch: [Ch_Rop1, Ch_Wop2]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_All, Ch_RDirFlag]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_RWRSI, Ch_WMemEDI, Ch_RWRDI, Ch_RDirFlag]),
(Ch: [Ch_RWESI, Ch_WMemEDI, Ch_RWEDI, Ch_RDirFlag]),
(Ch: [Ch_Wop2, Ch_Rop1]),