mbox

[PULL,00/68] target-arm queue

Message ID 20250211162554.4135349-1-peter.maydell@linaro.org
State New
Headers show

Pull-request

https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20250211

Message

Peter Maydell Feb. 11, 2025, 4:24 p.m. UTC 
Hi; this pullreq contains only my FEAT_AFP/FEAT_RPRES patches
(plus a fix for a target/alpha latent bug that would otherwise
be revealed by the fpu changes), because 68 patches is already
longer than I prefer to send in at one time...

thanks
-- PMM

The following changes since commit ffaf7f0376f8040ce9068d71ae9ae8722505c42e:

  Merge tag 'pull-10.0-testing-and-gdstub-updates-100225-1' of https://gitlab.com/stsquad/qemu into staging (2025-02-10 13:26:17 -0500)

are available in the Git repository at:

  https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20250211

for you to fetch changes up to ca4c34e07d1388df8e396520b5e7d60883cd3690:

  target/arm: Sink fp_status and fpcr access into do_fmlal* (2025-02-11 16:22:08 +0000)

----------------------------------------------------------------
target-arm queue:
 * target/alpha: Don't corrupt error_code with unknown softfloat flags
 * target/arm: Implement FEAT_AFP and FEAT_RPRES

----------------------------------------------------------------
Peter Maydell (49):
      target/alpha: Don't corrupt error_code with unknown softfloat flags
      fpu: Add float_class_denormal
      fpu: Implement float_flag_input_denormal_used
      fpu: allow flushing of output denormals to be after rounding
      target/arm: Define FPCR AH, FIZ, NEP bits
      target/arm: Implement FPCR.FIZ handling
      target/arm: Adjust FP behaviour for FPCR.AH = 1
      target/arm: Adjust exception flag handling for AH = 1
      target/arm: Add FPCR.AH to tbflags
      target/arm: Set up float_status to use for FPCR.AH=1 behaviour
      target/arm: Use FPST_FPCR_AH for FRECPE, FRECPS, FRECPX, FRSQRTE, FRSQRTS
      target/arm: Use FPST_FPCR_AH for BFCVT* insns
      target/arm: Use FPST_FPCR_AH for BFMLAL*, BFMLSL* insns
      target/arm: Add FPCR.NEP to TBFLAGS
      target/arm: Define and use new write_fp_*reg_merging() functions
      target/arm: Handle FPCR.NEP for 3-input scalar operations
      target/arm: Handle FPCR.NEP for BFCVT scalar
      target/arm: Handle FPCR.NEP for 1-input scalar operations
      target/arm: Handle FPCR.NEP in do_cvtf_scalar()
      target/arm: Handle FPCR.NEP for scalar FABS and FNEG
      target/arm: Handle FPCR.NEP for FCVTXN (scalar)
      target/arm: Handle FPCR.NEP for NEP for FMUL, FMULX scalar by element
      target/arm: Implement FPCR.AH semantics for scalar FMIN/FMAX
      target/arm: Implement FPCR.AH semantics for vector FMIN/FMAX
      target/arm: Implement FPCR.AH semantics for FMAXV and FMINV
      target/arm: Implement FPCR.AH semantics for FMINP and FMAXP
      target/arm: Implement FPCR.AH semantics for SVE FMAXV and FMINV
      target/arm: Implement FPCR.AH semantics for SVE FMIN/FMAX immediate
      target/arm: Implement FPCR.AH semantics for SVE FMIN/FMAX vector
      target/arm: Implement FPCR.AH handling of negation of NaN
      target/arm: Implement FPCR.AH handling for scalar FABS and FABD
      target/arm: Handle FPCR.AH in vector FABD
      target/arm: Handle FPCR.AH in SVE FNEG
      target/arm: Handle FPCR.AH in SVE FABS
      target/arm: Handle FPCR.AH in SVE FABD
      target/arm: Handle FPCR.AH in negation steps in SVE FCADD
      target/arm: Handle FPCR.AH in negation steps in FCADD
      target/arm: Handle FPCR.AH in FRECPS and FRSQRTS scalar insns
      target/arm: Handle FPCR.AH in FRECPS and FRSQRTS vector insns
      target/arm: Handle FPCR.AH in negation step in FMLS (indexed)
      target/arm: Handle FPCR.AH in negation in FMLS (vector)
      target/arm: Handle FPCR.AH in negation step in SVE FMLS (vector)
      target/arm: Handle FPCR.AH in SVE FTSSEL
      target/arm: Handle FPCR.AH in SVE FTMAD
      target/arm: Enable FEAT_AFP for '-cpu max'
      target/arm: Plumb FEAT_RPRES frecpe and frsqrte through to new helper
      target/arm: Implement increased precision FRECPE
      target/arm: Implement increased precision FRSQRTE
      target/arm: Enable FEAT_RPRES for -cpu max

Richard Henderson (19):
      target/arm: Handle FPCR.AH in vector FCMLA
      target/arm: Handle FPCR.AH in FCMLA by index
      target/arm: Handle FPCR.AH in SVE FCMLA
      target/arm: Handle FPCR.AH in FMLSL (by element and vector)
      target/arm: Handle FPCR.AH in SVE FMLSL (indexed)
      target/arm: Handle FPCR.AH in SVE FMLSLB, FMLSLT (vectors)
      target/arm: Introduce CPUARMState.vfp.fp_status[]
      target/arm: Remove standard_fp_status_f16
      target/arm: Remove standard_fp_status
      target/arm: Remove ah_fp_status_f16
      target/arm: Remove ah_fp_status
      target/arm: Remove fp_status_f16_a64
      target/arm: Remove fp_status_f16_a32
      target/arm: Remove fp_status_a64
      target/arm: Remove fp_status_a32
      target/arm: Simplify fp_status indexing in mve_helper.c
      target/arm: Simplify DO_VFP_cmp in vfp_helper.c
      target/arm: Read fz16 from env->vfp.fpcr
      target/arm: Sink fp_status and fpcr access into do_fmlal*

 docs/system/arm/emulation.rst   |   2 +
 include/fpu/softfloat-helpers.h |  11 +
 include/fpu/softfloat-types.h   |  25 ++
 target/arm/cpu-features.h       |  10 +
 target/arm/cpu.h                |  97 +++--
 target/arm/helper.h             |  26 ++
 target/arm/internals.h          |   6 +
 target/arm/tcg/helper-a64.h     |  13 +
 target/arm/tcg/helper-sve.h     | 120 ++++++
 target/arm/tcg/translate-a64.h  |  13 +
 target/arm/tcg/translate.h      |  54 +--
 target/arm/tcg/vec_internal.h   |  35 ++
 target/mips/fpu_helper.h        |   6 +
 fpu/softfloat.c                 |  66 +++-
 target/alpha/cpu.c              |   7 +
 target/alpha/fpu_helper.c       |   2 +
 target/arm/cpu.c                |  46 +--
 target/arm/helper.c             |   2 +-
 target/arm/tcg/cpu64.c          |   2 +
 target/arm/tcg/helper-a64.c     | 151 ++++----
 target/arm/tcg/hflags.c         |  13 +
 target/arm/tcg/mve_helper.c     |  44 +--
 target/arm/tcg/sme_helper.c     |   4 +-
 target/arm/tcg/sve_helper.c     | 367 ++++++++++++++-----
 target/arm/tcg/translate-a64.c  | 782 ++++++++++++++++++++++++++++++++--------
 target/arm/tcg/translate-sve.c  | 193 +++++++---
 target/arm/tcg/vec_helper.c     | 387 ++++++++++++++------
 target/arm/vfp_helper.c         | 374 +++++++++++++++----
 target/hppa/fpu_helper.c        |  11 +
 target/i386/tcg/fpu_helper.c    |   8 +
 target/mips/msa.c               |   9 +
 target/ppc/cpu_init.c           |   3 +
 target/rx/cpu.c                 |   8 +
 target/sh4/cpu.c                |   8 +
 target/tricore/helper.c         |   1 +
 tests/fp/fp-bench.c             |   1 +
 fpu/softfloat-parts.c.inc       | 127 +++++--
 37 files changed, 2325 insertions(+), 709 deletions(-)