paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-09-02 17:50:16 +02:00
Code Issues Packages Projects Releases Wiki Activity

- rm TODO comment about the IMUL optimization with SHL from

Browse Source 
tcg8086.a_op_const_reg, since that optimization is already done in
  optimize_op_const, which is called earlier in the same method.

git-svn-id: trunk@26488 -
This commit is contained in:
nickysn 2014-01-17 10:28:30 +00:00
parent 1a846e7c71
commit 767a0f1187
1 changed files with 0 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
compiler/i8086/cgcpu.pas
View File

@ -496,13 +496,6 @@ unit cgcpu;
{ 8086 doesn't support 'imul reg,const', so we handle it here }
if (current_settings.cputype<cpu_186) and (op in [OP_MUL,OP_IMUL]) then
begin
{ TODO: also enable the SHL optimization below }
{ if not(cs_check_overflow in current_settings.localswitches) and
ispowerof2(int64(a),power) then
begin
list.concat(taicpu.op_const_reg(A_SHL,TCgSize2OpSize[size],power,reg));
exit;
end;}
if op = OP_IMUL then
begin
if size in [OS_16,OS_S16] then