Editing risc-v/non-standard extensions

{{risc-v title|Non-Standard Extensions}}{{risc-v isa main}}
RISC-V '''non-standard extensions''' refers to additional instructions offered by third parties that are not part of RISC-V officially recognized {{risc-v|standard extensions}}.
@@ Line 1: / Line 1: @@
 {{risc-v title|Non-Standard Extensions}}{{risc-v isa main}}
-Because RISC-V is designed to provide the foundation for more specialized hardware, RISC-V offers the ability to extend the architecture with '''non-standard extensions''' which refers to additional instructions offered by third parties that are not part of RISC-V officially recognized {{risc-v|standard extensions}}.
+RISC-V '''non-standard extensions''' refers to additional instructions offered by third parties that are not part of RISC-V officially recognized {{risc-v|standard extensions}}.
-== Overview ==
-In addition to the RISC-V {{risc-v|standard extensions}}, the ISA allows for custom third party ISA. The intention of custom extensions is to allow designers to implement additional highly specialized instructions.
-* '''Xabc''' - Non-standard User-level extension "abc"
-* '''SXabc''' - Non-standard Supervisorlevel extension "abc"
-For example <code>RV32IXabc</code>.
-== Non-standard extensions ==
-{{expand list}}