Re: [PATCH 0/3] arm: Fix link time optimization issues

[Corinna Vinschen <vinschen at redhat dot com>]

On Jan 11 23:50, Pat Pannuto wrote:
> This patch series fixes a few things so that link time optimization will work.
> The high-level problem is that LTO can re-order top-level assembly blocks, so
> code that previously worked because one asm() block was listed before another
> at global scope in a file (in this case via #include) may no longer work.
> 
> So far this was only an issue with two macros that were defined in an #include'd
> header. With these patches, I have LTO working with newlib on arm.
> 
> Pat Pannuto (3):
>   Remove unneeded references to arm_asm.h
>   arm: Remove optpld macro
>   arm: Remove RETURN macro
> 
>  newlib/libc/machine/arm/Makefile.am           |  2 +-
>  newlib/libc/machine/arm/Makefile.in           |  2 +-
>  newlib/libc/machine/arm/aeabi_memcpy-armv7a.S |  2 +-
>  newlib/libc/machine/arm/aeabi_memmove-soft.S  |  2 --
>  newlib/libc/machine/arm/aeabi_memset-soft.S   |  2 --
>  newlib/libc/machine/arm/arm_asm.h             | 35 ---------------------------
>  newlib/libc/machine/arm/memchr.S              |  1 -
>  newlib/libc/machine/arm/strcmp-arm-tiny.S     |  2 +-
>  newlib/libc/machine/arm/strcmp-armv4.S        | 12 +++++++++
>  newlib/libc/machine/arm/strcmp-armv7m.S       |  6 ++---
>  newlib/libc/machine/arm/strcmp.S              |  1 -
>  newlib/libc/machine/arm/strcpy.c              | 20 +++++++++------
>  newlib/libc/machine/arm/strlen-armv7.S        |  2 +-
>  newlib/libc/machine/arm/strlen-stub.c         | 10 +++++---
>  14 files changed, 38 insertions(+), 61 deletions(-)
> 
> -- 
> 2.11.0

Pushed.

Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat

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