From a8f1bd60d7772bf9dd0aadef1d1e520d0abdcc59 Mon Sep 17 00:00:00 2001 From: David L Kreitzer Date: Tue, 3 May 2016 20:20:59 +0000 Subject: [PATCH] Add address space 258 (X86 SS segment) to clang documentation. The change reflects llvm r268431. Patch by Michael Lemay (michael.lemay@intel.com) Differential Revision: http://reviews.llvm.org/D19458 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@268432 91177308-0d34-0410-b5e6-96231b3b80d8 --- docs/LanguageExtensions.rst | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/docs/LanguageExtensions.rst b/docs/LanguageExtensions.rst index 75c1c1d29c..59faa9e519 100644 --- a/docs/LanguageExtensions.rst +++ b/docs/LanguageExtensions.rst @@ -1912,12 +1912,13 @@ X86/X86-64 Language Extensions 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). -- 2.40.0