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authorH.J. Lu <hjl.tools@gmail.com>2018-10-21 00:37:11 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-10-21 00:37:29 -0700
commit2dd8e58cc533ee840d37725b11bc0dc0308a5dc0 (patch)
tree09450906254b26f1104371eb9940f50391ec21cd /libio/getwc.c
parentd0a74159792477e5922f53fa2aa6d58eb8265a14 (diff)
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x86: Don't include <x86intrin.h>
Use __builtin_ia32_rdtsc directly since including <x86intrin.h> makes building glibc very slow. On Intel Core i5-6260U, this patch reduces x86-64 build time from 8 minutes 33 seconds to 3 minutes 48 seconds with "make -j4" and GCC 8.2.1. * sysdeps/x86/hp-timing.h: Don't include <x86intrin.h>. (HP_TIMING_NOW): Replace _rdtsc with __builtin_ia32_rdtsc.
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