+ volatile() expression that marks an expression as volatile

  * disable matching volatile references in the assembler optimisers, so they
    can't be removed (more conservative than needed, but better than removing
    too many)
   o the CSE optimiser will ignore them by default, because they're an unknown
     inline node for it
  * also removed no longer used fpc_in_move_x and fpc_in_fillchar_x inline node
    identifiers from rtl/inc/innr.inc, and placed fpc_in_unaligned_x at the
    right place

git-svn-id: https://svn.freepascal.org/svn/fpc/trunk@40465 3ad0048d-3df7-0310-abae-a5850022a9f2

1 files changed, 3 insertions, 1 deletions

diff --git a/compiler/avr/aoptcpu.pas b/compiler/avr/aoptcpu.pas
index 3a182be179..e938b26e55 100644
--- a/compiler/avr/aoptcpu.pas
+++ b/compiler/avr/aoptcpu.pas
@@ -75,7 +75,9 @@ Implementation
         (r1.index = r2.index) and (r1.scalefactor = r2.scalefactor) and
         (r1.symbol=r2.symbol) and (r1.refaddr = r2.refaddr) and
         (r1.relsymbol = r2.relsymbol) and
-        (r1.addressmode = r2.addressmode);
+        (r1.addressmode = r2.addressmode) and
+        (r1.volatility=[]) and
+        (r2.volatility=[]);
     end;