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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2017-06-27 17:09:42 +0200 |
|---|---|---|
| committer | Stefan Liebler <stli@linux.vnet.ibm.com> | 2017-06-27 17:09:42 +0200 |
| commit | 23ea69a9d6e9ab28c66a232b767a800b04eaa938 (patch) | |
| tree | 539d557f45ce4924699329d64b04b6562bcb7dd8 /ChangeLog | |
| parent | f21f59124d8a4d22b20e7a926462937d89e8988e (diff) | |
| download | glibc-23ea69a9d6e9ab28c66a232b767a800b04eaa938.tar.gz glibc-23ea69a9d6e9ab28c66a232b767a800b04eaa938.tar.xz glibc-23ea69a9d6e9ab28c66a232b767a800b04eaa938.zip | |
S390: Use cu41 instruction for converting from utf32 to utf8.
This patch adds an ifunc variant to use the cu instruction on arch12 CPUs. This new ifunc variant can be built if binutils support z13 vector instructions. At runtime, HWCAP_S390_VXE decides if we can use the cu41 instruction. ChangeLog: * sysdeps/s390/utf8-utf32-z9.c (__to_utf8_loop_vx_cu): Use vector and cu41 instruction. * sysdeps/s390/multiarch/utf8-utf32-z9.c: Add __to_utf8_loop_vx_cu in ifunc resolver.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 039366a470..dedaa3c535 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2017-06-27 Stefan Liebler <stli@linux.vnet.ibm.com> + * sysdeps/s390/utf8-utf32-z9.c (__to_utf8_loop_vx_cu): + Use vector and cu41 instruction. + * sysdeps/s390/multiarch/utf8-utf32-z9.c: Add __to_utf8_loop_vx_cu + in ifunc resolver. + +2017-06-27 Stefan Liebler <stli@linux.vnet.ibm.com> + * sysdeps/s390/dl-procinfo.c (_dl_s390_cap_flags): Add vxd, vxe, gs flag. * sysdeps/s390/dl-procinfo.h: Add HWCAP_S390_VXD, HWCAP_S390_VXE, |