Andreas Schwab writes:
> #
> # Automatically generated file; DO NOT EDIT.
> # Linux/powerpc 5.10.0-rc1 Kernel Configuration
> #
> CONFIG_CC_VERSION_TEXT="gcc-4.9 (SUSE Linux) 4.9.3"
So it seems to be a combination of GCC 4.9 and ...
> # CONFIG_PPC_RADIX_MMU is not set
That ^, which
#
# Automatically generated file; DO NOT EDIT.
# Linux/powerpc 5.10.0-rc1 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc-4.9 (SUSE Linux) 4.9.3"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=40903
CONFIG_LD_VERSION=23501
CONFIG_CLANG_VERSION=0
CONFIG_CC_CAN_LINK=y
CONFIG_CC_CAN_LINK_STATIC=y
Andreas Schwab writes:
> On Okt 28 2020, Andreas Schwab wrote:
>
>> On Sep 04 2020, Christophe Leroy wrote:
>>
>>> __put_user_asm_goto() provides more flexibility to GCC and avoids using
>>> a local variable to tell if the write succeeded or not.
>>> GCC can then avoid implementing a cmp in the
On Okt 28 2020, Michael Ellerman wrote:
> What config and compiler are you using?
gcc 4.9.
Andreas.
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
On Okt 28 2020, Andreas Schwab wrote:
> On Sep 04 2020, Christophe Leroy wrote:
>
>> __put_user_asm_goto() provides more flexibility to GCC and avoids using
>> a local variable to tell if the write succeeded or not.
>> GCC can then avoid implementing a cmp in the fast path.
>
> That breaks
On Sep 04 2020, Christophe Leroy wrote:
> __put_user_asm_goto() provides more flexibility to GCC and avoids using
> a local variable to tell if the write succeeded or not.
> GCC can then avoid implementing a cmp in the fast path.
That breaks CLONE_CHILD_SETTID. I'm getting an assertion failure
On Fri, 4 Sep 2020 11:01:30 + (UTC), Christophe Leroy wrote:
> __put_user_asm_goto() provides more flexibility to GCC and avoids using
> a local variable to tell if the write succeeded or not.
> GCC can then avoid implementing a cmp in the fast path.
>
> See the difference for a small
__put_user_asm_goto() provides more flexibility to GCC and avoids using
a local variable to tell if the write succeeded or not.
GCC can then avoid implementing a cmp in the fast path.
See the difference for a small function like the PPC64 version of
save_general_regs() in
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