Uros Bizjak 60e3ada68d x86_64: Use __seg_fs qualifiers in PTR_{MANGLE,DEMANGLE}() macros ...

Use __seg_fs named address space qualifiers in PTR_MANGLE() and
PTR_DEMANGLE() macros to access the pointer_guard field in the TCB.

This change allows the compiler to eliminate redundant reads of
the variable, reducing the number of reads from 98 to 89 and
decreasing the text size of the library by 512 bytes.

While at it, fix a few trivial whitespace issues as well.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

2025-10-12 17:47:55 +02:00

..

linux

x86_64: Use __seg_fs qualifiers in PTR_{MANGLE,DEMANGLE}() macros

2025-10-12 17:47:55 +02:00