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60e3ada68d
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>