[v4] target/sparc: emulate floating point queue when raising fp traps

[PATCH v4 0/5] target/sparc: emulate floating point queue when raising fp traps

Richard Henderson posted 5 patches 2 months, 2 weeks ago

Diff against v1 v2 v3
Download series mbox

target/sparc/cpu.h          |  30 ++++++++-
target/sparc/fop_helper.c   |   4 ++
target/sparc/int32_helper.c |  40 ++++++-----
target/sparc/machine.c      |  25 +++++++
target/sparc/translate.c    | 128 ++++++++++++++++++++++++++----------
target/sparc/insns.decode   |   2 +-
6 files changed, 178 insertions(+), 51 deletions(-)

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[PATCH v4 0/5] target/sparc: emulate floating point queue when raising fp traps

Posted by Richard Henderson 2 months, 2 weeks ago

Changes for v5:
  - Fix stdfq advance_pc.

r~

Carl Hauser (2):
  target/sparc: Add FQ and FSR.QNE
  target/sparc: Populate sparc32 FQ when raising fp exception

Richard Henderson (3):
  target/sparc: Add FSR_QNE to tb_flags
  target/sparc: Implement STDFQ
  target/sparc: Add gen_trap_if_nofpu_fpexception

 target/sparc/cpu.h          |  30 ++++++++-
 target/sparc/fop_helper.c   |   4 ++
 target/sparc/int32_helper.c |  40 ++++++-----
 target/sparc/machine.c      |  25 +++++++
 target/sparc/translate.c    | 128 ++++++++++++++++++++++++++----------
 target/sparc/insns.decode   |   2 +-
 6 files changed, 178 insertions(+), 51 deletions(-)

-- 
2.43.0

Re: [PATCH v4 0/5] target/sparc: emulate floating point queue when raising fp traps

Posted by Mark Cave-Ayland 2 months, 2 weeks ago

On 09/09/2024 19:07, Richard Henderson wrote:

> Changes for v5:
>    - Fix stdfq advance_pc.
> 
> r~
> 
> Carl Hauser (2):
>    target/sparc: Add FQ and FSR.QNE
>    target/sparc: Populate sparc32 FQ when raising fp exception
> 
> Richard Henderson (3):
>    target/sparc: Add FSR_QNE to tb_flags
>    target/sparc: Implement STDFQ
>    target/sparc: Add gen_trap_if_nofpu_fpexception
> 
>   target/sparc/cpu.h          |  30 ++++++++-
>   target/sparc/fop_helper.c   |   4 ++
>   target/sparc/int32_helper.c |  40 ++++++-----
>   target/sparc/machine.c      |  25 +++++++
>   target/sparc/translate.c    | 128 ++++++++++++++++++++++++++----------
>   target/sparc/insns.decode   |   2 +-
>   6 files changed, 178 insertions(+), 51 deletions(-)

Should there be a:

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2340

somewhere in this series? I've not had to look at the FP exceptions in this level of 
detail before (so unsure that I have any suitable test cases lying around), but it 
looks reasonable so:

Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>


ATB,

Mark.

Re: [PATCH v4 0/5] target/sparc: emulate floating point queue when raising fp traps

Posted by Carl Hauser 2 months, 2 weeks ago