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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-10-21 00:37:11 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-10-21 00:37:29 -0700 |
| commit | 2dd8e58cc533ee840d37725b11bc0dc0308a5dc0 (patch) | |
| tree | 09450906254b26f1104371eb9940f50391ec21cd /ChangeLog | |
| parent | d0a74159792477e5922f53fa2aa6d58eb8265a14 (diff) | |
| download | glibc-2dd8e58cc533ee840d37725b11bc0dc0308a5dc0.tar.xz glibc-2dd8e58cc533ee840d37725b11bc0dc0308a5dc0.zip | |
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.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2018-10-21 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/x86/hp-timing.h: Don't include <x86intrin.h>. + (HP_TIMING_NOW): Replace _rdtsc with __builtin_ia32_rdtsc. + 2018-10-19 Joseph Myers <joseph@codesourcery.com> [BZ #23794] |