[PING][PATCH v3 0/6] Improve Mips target
Jovan Dmitrovic
jovan.dmitrovic@htecgroup.com
Wed Sep 17 13:49:51 GMT 2025
Hello,
I sent a revised series for Mips target a couple of weeks ago.
Patchwork link:
https://patchwork.sourceware.org/project/glibc/cover/20250903135251.679132-1-jovan.dmitrovic@htecgroup.com/
Any feedback would be greatly appreciated.
Regards,
Jovan
On 3. 9. 25. 15:53, Jovan Dmitrovic wrote:
> Changes in v3: removed the following patches:
> mips: Updates for microMIPS Release 6
> mips: Fix issues with removing no-reorder directives
>
> The first patch of these two has been split into two parts: one that
> adresses the addiupc discrepancy between microMIPSr6 and non-microMIPSr6
> code and other updating the mcount code for microMIPSr6.
> Also, the original patch removed the noreorder directives from
> multiple files, but this change will be addressed after merging
> binutils changes (thanks Maciej for your input).
>
> The second removed patch is converted into patch 6, only having the
> setjmp bugfix (no need to add the -O2 flag as previously stated
> by Maciej).
>
> Also added the needed sysdep header where it was necessary to do so.
>
> =======
>
> Changes in v2: removed following patches:
> Fix rtld link_map initialization issues
> Avoid GCC 11 warning from -Wmaybe-uninitialized
> Prevent turning memset into self-recursion
> Add optimized assembly for strcmp
> Fix strcmp bug for little endian target
> Avoid warning from -Wbuiltin-declaration-mismatch
>
> After running the benchmark, strcmp.S proved to be inferior to the
> generic strcmp.c with -funroll-loops. I added a patch which removes
> the strcmp.S file. Also, patch that fixed a strcmp issue is omitted.
>
> rtld link_map patch is changed so that we don't initialize the whole
> link_map structure.
>
> Self-recursion fix was merged with memcpy/memset patch.
>
> Warning from -Wbuiltin-declaration-mismatch was fixed in the meantime.
>
> Regards,
> Jovan
>
> =======
>
> Aleksandar Rakic (1):
> Initialize l_mach field from rtld link_map
>
> Jovan Dmitrović (5):
> mips: Restrict the use of addiupc for microMIPSr6
> mips: Adapt mcount for microMIPSr6
> mips: Add C implementation of memcpy/memset
> mips: Remove strcmp.S
> mips: Fix delay slot filling in bsd-setjmp.S
>
> elf/rtld.c | 1 +
> sysdeps/mips/Makefile | 4 +
> sysdeps/mips/bsd-setjmp.S | 2 +-
> sysdeps/mips/dl-machine.h | 11 +-
> sysdeps/mips/machine-gmon.h | 84 ++++
> sysdeps/mips/memcpy.S | 868 ------------------------------------
> sysdeps/mips/memcpy.c | 451 +++++++++++++++++++
> sysdeps/mips/memset.S | 426 ------------------
> sysdeps/mips/memset.c | 178 ++++++++
> sysdeps/mips/strcmp.S | 249 -----------
> 10 files changed, 725 insertions(+), 1549 deletions(-)
> delete mode 100644 sysdeps/mips/memcpy.S
> create mode 100644 sysdeps/mips/memcpy.c
> delete mode 100644 sysdeps/mips/memset.S
> create mode 100644 sysdeps/mips/memset.c
> delete mode 100644 sysdeps/mips/strcmp.S
>
More information about the Libc-alpha
mailing list