Special method used to generate powerpc64-aix 3.2.0-rc1 distribution
Starting with release compiler /home/muller/pas/release_3_2_0_rc1/fpcsrc/compiler/ppcppc64-start
/home/muller/pas/release_3_2_0_rc1/fpcsrc/compiler/ppcppc64-start -iVDWSOSPTOTP:
3.2.0 2020/03/14 3.2.0rc1 aix powerpc64 aix powerpc64
/opt/freeware/bin/gmake cycle OPT="-n -gl" FPC=/home/muller/pas/release_3_2_0_rc1/fpcsrc/compiler/ppcppc64-start 
cp ./ppcppc64 /home/muller/pas/release_3_2_0_rc1/fpcsrc/compiler/ppcppc64-3.2.0-rc1
cp ./ppcppc64 ./ppcppc64-3.2.0-rc1
Generated on machine: AIX power-aix 1 7 00F84C0C4C00 AIX
Starting ./install/makepack powerpc64-aix
with FPC=/home/muller/pas/release_3_2_0_rc1/fpcsrc/compiler/ppcppc64-3.2.0-rc1 and EXTRAOPT="-n -gl "
Files /home/muller/pas/release_3_2_0_rc1/readme.powerpc64-aix and fpc-3.2.0rc1.powerpc64-aix.tar uploaded
Used slightly modifed svn checkout
svn st -q
X       fpcdocs
X       fpcsrc

Performing status on external item at 'fpcsrc':
M       /home/muller/pas/release_3_2_0_rc1/fpcsrc/compiler/cgobj.pas
M       /home/muller/pas/release_3_2_0_rc1/fpcsrc/utils/fpcm/revision.inc

Performing status on external item at 'fpcdocs':
svn diff
svn diff fpcsrc
Index: fpcsrc/compiler/cgobj.pas
===================================================================
--- fpcsrc/compiler/cgobj.pas	(revision 44292)
+++ fpcsrc/compiler/cgobj.pas	(working copy)
@@ -1223,8 +1223,12 @@
                 shifted to the top of the to 4 resp. 8 byte register on the
                 caller side and needs to be stored with those bytes at the
                 start of the reference -> don't shift right }
-              else if (paraloc.shiftval<0) and
-                      ((-paraloc.shiftval) in [8,16,32]) then
+              else if (paraloc.shiftval<0)
+{$ifdef CPU64BITALU}
+                      and ((-paraloc.shiftval) in [56{for byte},48{for two bytes},32{for four bytes}])
+{$else}
+                      and ((-paraloc.shiftval) in [24{for byte},16{for two bytes}])
+{$endif} then
                 begin
                   a_op_const_reg_reg(list,OP_SHR,OS_INT,-paraloc.shiftval,paraloc.register,paraloc.register);
                   { convert to a register of 1/2/4 bytes in size, since the
Index: fpcsrc/utils/fpcm/revision.inc
===================================================================
--- fpcsrc/utils/fpcm/revision.inc	(revision 44292)
+++ fpcsrc/utils/fpcm/revision.inc	(working copy)
@@ -1 +1 @@
-'2019-05-28 rev 42133'
+'2020-02-23 rev 44237'