diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/develop/global_data.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/develop/global_data.rst b/doc/develop/global_data.rst index 9e7c8a24da..230ebcd860 100644 --- a/doc/develop/global_data.rst +++ b/doc/develop/global_data.rst @@ -33,8 +33,10 @@ On most architectures the global data pointer is stored in a register. +------------+----------+ | SuperH | r13 | +------------+----------+ +| x86 32bit | fs | ++------------+----------+ -The sandbox, x86, and Xtensa are notable exceptions. +The sandbox, x86_64, and Xtensa are notable exceptions. Clang for ARM does not support assigning a global register. When using Clang gd is defined as an inline function using assembly code. This adds a few bytes |