On 26.02.19 15:44, Cornelia Huck wrote:
> On Mon, 18 Feb 2019 13:26:55 +0100
> David Hildenbrand <da...@redhat.com> wrote:
>
>> This series is based on the patches currently on the list:
>> - [PATCH v2] softfloat: add float128_is_{normal,denormal}
>> - [PATCH v1] softfloat: Implement float128_to_uint32
>> - [PATCH v2] softfloat: Support float_round_to_odd more places
>>
>> For the KVM folks, only the last patch is of interest.
>>
>> The floating-point extension facility seems to be used often without
>> checking by user space. Vector instruction support seems to somewhat also
>> rely on it being available. Some parts are already implemented, others
>> not or are broken.
>>
>> Fix some stuff in fpu code, add some FIXMEs to indicate what is definetly
>> missing and implement all BFP stuff needed for the floating-point extension
>> facility. Finally, enable it for TCG, adding it to the CPU model for the
>> 4.0 compat machine.
>>
>> This series also contains some refactorings needed for floating-point
>> vector instruction support.
>>
>> v2 -> v3:
>> - "s390x/tcg: Implement XxC and checks for most FP instructions"
>> -- Use extract32() with constant arithmetic
>> - Use float_round_to_odd and get rid of the corresponding FIXMEs. Thanks
>> Richard!
>>
>> v1 -> v2:
>> - "s390x/tcg: Fix TEST DATA CLASS instructions"
>> -- Simplify + use marko
>> - "s390x/tcg: Prepare for IEEE-inexact-exception control (XxC)"
>> -- Fix some whitespace/newline issues
>> - "s390x/tcg: Handle SET FPC AND LOAD FPC 3-bit BFP rounding modes"
>> -- If FPE is not installed, also bail out on 3rd BFP bit
>> - "s390x/tcg: Implement XxC and checks for most FP instructions"
>> -- Use helper functions to simplify checks+mangling+unmangling
>> -- Take care of FPE facility state
>> -- Fix that XxC is actually bit 1, not bit 0
>> - "s390x/tcg: Prepare for IEEE-inexact-exception control (XxC)"
>> -- Also use new helper functions
>>
>> David Hildenbrand (15):
>> s390x/tcg: Fix TEST DATA CLASS instructions
>> s390x/tcg: Fix rounding from float128 to uint64_t/uin32_t
>> s390x/tcg: Factor out conversion of softfloat exceptions
>> s390x/tcg: Fix parts of IEEE exception handling
>> s390x/tcg: Hide IEEE underflows in some scenarios
>> s390x/tcg: Refactor SET FPC AND SIGNAL handling
>> s390x/tcg: Fix simulated-IEEE exceptions
>> s390x/tcg: Handle SET FPC AND LOAD FPC 3-bit BFP rounding modes
>> s390x/tcg: Check for exceptions in SET BFP ROUNDING MODE
>> s390x/tcg: Refactor saving/restoring the bfp rounding mode
>> s390x/tcg: Prepare for IEEE-inexact-exception control (XxC)
>> s390x/tcg: Implement XxC and checks for most FP instructions
>> s390x/tcg: Implement rounding mode and XxC for LOAD ROUNDED
>> s390x/tcg: Handle all rounding modes overwritten by BFP instructions
>> s390x: Add floating-point extension facility to "qemu" cpu model
>>
>> target/s390x/fpu_helper.c | 541 ++++++++++++++++++++++--------------
>> target/s390x/gen-features.c | 5 +
>> target/s390x/helper.h | 9 +-
>> target/s390x/insn-data.def | 12 +-
>> target/s390x/internal.h | 9 +
>> target/s390x/translate.c | 315 ++++++++++++++-------
>> 6 files changed, 572 insertions(+), 319 deletions(-)
>>
>
> Does anyone still want to give a R-b (especially for the patches that
> don't have one yet?) I plan to queue this once the softfloat patches
> hit master.
>
Just double checked, I missed to add some R-b (-ETOOMANYPATCHES), the
last one has no r-b yet.
--
Thanks,
David / dhildenb
