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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-02-17 10:44:08 -0600 |
|---|---|---|
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-02-27 12:58:33 -0600 |
| commit | fe13a20c37578f08ce393ccaeb45caeb48815ca5 (patch) | |
| tree | 62a09dac1baf2a1caf2e8b346733645cc596340f /ChangeLog | |
| parent | 1ad8950a3ea4056ed343d681b5146f4b4aa27e10 (diff) | |
| download | glibc-fe13a20c37578f08ce393ccaeb45caeb48815ca5.tar.gz glibc-fe13a20c37578f08ce393ccaeb45caeb48815ca5.tar.xz glibc-fe13a20c37578f08ce393ccaeb45caeb48815ca5.zip | |
PowerPC: llround/llroundf POWER8 optimization
This patch add a optimized llround/llroundf implementation for POWER8 using the new Move From VSR Doubleword instruction to gains some cycles from FP to GRP register move.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 8912bb7512..ee8b36395b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,16 @@ 2014-02-27 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + * sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add llround power8 + implementation. + * sysdeps/powerpc/powerpc64/fpu/multiarch/s_llround-power8.S: New file: + POWER8 llround ifunc implementation. + * sysdeps/powerpc/powerpc64/fpu/multiarch/s_llround.c (__lllround): Add + POWER8 implementation. + * sysdeps/powerpc/powerpc64/power8/fpu/s_llround.S: New file: + POWER8 llround implementation. + +2014-02-27 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + * sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add llrint power8 implementation. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_llrint-power8.S: New file: |