paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-08-11 16:06:09 +02:00
Code Issues Packages Projects Releases Wiki Activity

* apply ShlOp2Shl optimization also to floating point operations

Browse Source
This commit is contained in:
florian 2022-09-24 22:48:41 +02:00
parent 444fe092da
commit 1a66cde35b
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
compiler/x86/aoptx86.pas
View File

@ -6559,8 +6559,11 @@ unit aoptx86;
if MatchOpType(taicpu(p), top_const, top_reg) and
(taicpu(p).oper[0]^.val in [1..3]) and
GetNextInstruction(p, hp1) and
MatchInstruction(hp1,A_MOV,A_LEA,[]) and
MatchOpType(taicpu(hp1), top_ref, top_reg) and
((MatchInstruction(hp1,A_MOV,A_LEA,[]) and
MatchOpType(taicpu(hp1), top_ref, top_reg)) or
(MatchInstruction(hp1,A_FST,A_FSTP,A_FLD,[]) and
MatchOpType(taicpu(hp1), top_ref))
) and
(taicpu(p).oper[1]^.reg=taicpu(hp1).oper[0]^.ref^.index) and
(taicpu(p).oper[1]^.reg<>taicpu(hp1).oper[0]^.ref^.base) and
(taicpu(hp1).oper[0]^.ref^.scalefactor in [0,1]) then