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author | David L Kreitzer <david.l.kreitzer@intel.com> | 2016-05-03 20:16:08 +0000 |
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committer | David L Kreitzer <david.l.kreitzer@intel.com> | 2016-05-03 20:16:08 +0000 |
commit | c9fbf1018a7430f9bb7b0a46b148b93a0dab50ad (patch) | |
tree | ae081fb9320f4c7ddd48776f4fa75689260268e1 /llvm/docs/CodeGenerator.rst | |
parent | 4e05b82cc495a15dac4ce05ad1d2648ba3c739bc (diff) | |
download | bcm5719-llvm-c9fbf1018a7430f9bb7b0a46b148b93a0dab50ad.tar.gz bcm5719-llvm-c9fbf1018a7430f9bb7b0a46b148b93a0dab50ad.zip |
Add an address space for the X86 SS segment.
Patch by Michael LeMay (michael.lemay@intel.com)
Differential Revision: http://reviews.llvm.org/D17093
llvm-svn: 268431
Diffstat (limited to 'llvm/docs/CodeGenerator.rst')
-rw-r--r-- | llvm/docs/CodeGenerator.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/docs/CodeGenerator.rst b/llvm/docs/CodeGenerator.rst index 347a372d80e..a84645da7ce 100644 --- a/llvm/docs/CodeGenerator.rst +++ b/llvm/docs/CodeGenerator.rst @@ -2197,9 +2197,9 @@ prefix byte on an instruction causes the instruction's memory access to go to the specified segment. LLVM address space 0 is the default address space, which includes the stack, and any unqualified memory accesses in a program. Address spaces 1-255 are currently reserved for user-defined code. The GS-segment is -represented by address space 256, while the FS-segment is represented by address -space 257. Other x86 segments have yet to be allocated address space -numbers. +represented by address space 256, the FS-segment is represented by address space +257, and the SS-segment is represented by address space 258. Other x86 segments +have yet to be allocated address space numbers. While these address spaces may seem similar to TLS via the ``thread_local`` keyword, and often use the same underlying hardware, there are some fundamental |