* set max_operands to 4 on x86 to be prepared for avx and to be able to fix #19910,

  - memory usage of a compiler compilation increases by approx. 2 per cent due to this
  - actually docs say avx has operations with 5 parameter, however I were not able to find
    an instruction having 5 operands

git-svn-id: trunk@18202 -

compiler/x86/cpubase.pas

@@ -231,7 +231,7 @@ uses
       LOC_SSEREGISTER = LOC_MMREGISTER;
       LOC_CSSEREGISTER = LOC_CMMREGISTER;
 
-      max_operands = 3;
+      max_operands = 4;
       maxfpuregs = 8;
 
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