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| author | Christopher Ferris <cferris@google.com> | 2015-09-17 14:11:05 -0700 |
|---|---|---|
| committer | Steve Kondik <steve@cyngn.com> | 2015-10-29 22:44:26 -0700 |
| commit | 532bb31d8333fc8f51667e3d5ec20a4c3d23c294 (patch) | |
| tree | 3c55c3a59741993c3a9b04f883171a59010440b3 | |
| parent | 1cfb26065a6a3012bf5a0e69e0e384ea43a4b66b (diff) | |
| download | bionic-532bb31d8333fc8f51667e3d5ec20a4c3d23c294.zip bionic-532bb31d8333fc8f51667e3d5ec20a4c3d23c294.tar.gz bionic-532bb31d8333fc8f51667e3d5ec20a4c3d23c294.tar.bz2 | |
Add cortex-a53.a57 target for 32 bit big/little.
The routines optimized for cortex-a7 and cortex-a53 cause performance
drops on cortex-a57. Instead create a target that is the middle ground
that works relatively well on either core.
Change-Id: Ie2b6cc9a59a01c7b30602ee368b2b90f5e886289
| -rw-r--r-- | libc/arch-arm/cortex-a53.a57/cortex-a53.a57.mk | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libc/arch-arm/cortex-a53.a57/cortex-a53.a57.mk b/libc/arch-arm/cortex-a53.a57/cortex-a53.a57.mk new file mode 100644 index 0000000..0eec165 --- /dev/null +++ b/libc/arch-arm/cortex-a53.a57/cortex-a53.a57.mk @@ -0,0 +1,21 @@ +# This file represents the best optimized routines that are the middle +# ground when running on a big/little system that is cortex-a57/cortex-a53. +# The cortex-a7 optimized routines, and the cortex-a53 optimized routines +# decrease performance on cortex-a57 processors by as much as 20%. + +libc_bionic_src_files_arm += \ + arch-arm/cortex-a15/bionic/memcpy.S \ + arch-arm/cortex-a15/bionic/memset.S \ + arch-arm/cortex-a15/bionic/stpcpy.S \ + arch-arm/cortex-a15/bionic/strcat.S \ + arch-arm/cortex-a15/bionic/__strcat_chk.S \ + arch-arm/cortex-a15/bionic/strcmp.S \ + arch-arm/cortex-a15/bionic/strcpy.S \ + arch-arm/cortex-a15/bionic/__strcpy_chk.S \ + arch-arm/cortex-a15/bionic/strlen.S \ + +libc_bionic_src_files_arm += \ + arch-arm/generic/bionic/memcmp.S \ + +libc_bionic_src_files_arm += \ + arch-arm/denver/bionic/memmove.S \ |