Index: cfe/trunk/docs/LanguageExtensions.rst =================================================================== --- cfe/trunk/docs/LanguageExtensions.rst +++ cfe/trunk/docs/LanguageExtensions.rst @@ -1912,12 +1912,13 @@ The X86 backend has these language extensions: -Memory references off the GS segment -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Memory references to specified segments +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Annotating a pointer with address space #256 causes it to be code generated -relative to the X86 GS segment register, and address space #257 causes it to be -relative to the X86 FS segment. Note that this is a very very low-level +relative to the X86 GS segment register, address space #257 causes it to be +relative to the X86 FS segment, and address space #258 causes it to be +relative to the X86 SS segment. Note that this is a very very low-level feature that should only be used if you know what you're doing (for example in an OS kernel).