[0/3] target/s390x: vfmin/vfmax fixes

Message

Ilya Leoshkevich July 12, 2022, 1:57 a.m. UTC

Hi,

Uli has found an issue with finding maximum of different kinds of 0s; I
wrote a test and found another one with finding maximum of different
kinds of NaNs.

Patches 1 and 2 fix those issues, patch 3 adds a vfmin/vfmax test.

Best regards,
Ilya

Ilya Leoshkevich (3):
  target/s390x: fix handling of zeroes in vfmin/vfmax
  target/s390x: fix NaN propagation rules
  tests/tcg/s390x: test signed vfmin/vfmax

 fpu/softfloat-specialize.c.inc    |   3 +-
 target/s390x/tcg/vec_fpu_helper.c |   4 +-
 tests/tcg/s390x/Makefile.target   |   7 +
 tests/tcg/s390x/vfminmax.c        | 426 ++++++++++++++++++++++++++++++
 4 files changed, 437 insertions(+), 3 deletions(-)
 create mode 100644 tests/tcg/s390x/vfminmax.c