[PATCH 0/7] alpha: rounding mode fix and testsuite cleanups

This series comes out of running the testsuite on alpha-linux-gnu.

The first patch is a target fix: -frounding-math produced statically
rounded instructions, so fesetround had no effect at run time.

The rest are testsuite changes.  Three of them constrain generic tests
that were missing a requirement and so fail on any target lacking the
feature, not only on alpha:

  - pr125545.c uses asm goto with outputs without requiring it,
  - no-stack-protector-attr.C has a dead dg-do directive, so it runs
    everywhere rather than on x86 as intended,
  - several tests feed NaNs and infinities through comparisons without
    requesting IEEE options.

The remaining three are alpha-specific and follow what sparc, hppa and
powerpc already do in the same tests.

Matt Turner (7):
  alpha: honor -frounding-math by selecting dynamic rounding
  testsuite: require asm goto with outputs in pr125545.c
  testsuite: require stack protector support in
    no-stack-protector-attr.C
  testsuite: request IEEE options for tests relying on NaN and infinity
  testsuite: disable small data for attr-retain tests on alpha
  testsuite: skip cmp-mem-const on alpha
  testsuite: skip pr119507.C on alpha

 gcc/config/alpha/alpha.cc                           |  6 ++++++
 gcc/doc/invoke.texi                                 | 13 ++++++++++---
 gcc/testsuite/c-c++-common/attr-retain-2.c          |  3 +++
 gcc/testsuite/c-c++-common/attr-retain-3.c          |  3 +++
 gcc/testsuite/c-c++-common/attr-retain-4.c          |  3 +++
 gcc/testsuite/g++.dg/eh/pr119507.C                  |  2 ++
 gcc/testsuite/g++.dg/no-stack-protector-attr.C      |  5 ++---
 gcc/testsuite/g++.dg/opt/pr94589-6.C                |  1 +
 gcc/testsuite/g++.dg/torture/pr116120-2.C           |  1 +
 gcc/testsuite/gcc.c-torture/compile/attr-retain-1.c |  3 +++
 gcc/testsuite/gcc.c-torture/compile/attr-retain-2.c |  3 +++
 gcc/testsuite/gcc.c-torture/execute/20190901-1.c    |  1 +
 gcc/testsuite/gcc.dg/cmp-mem-const-3.c              |  3 ++-
 gcc/testsuite/gcc.dg/cmp-mem-const-4.c              |  3 ++-
 gcc/testsuite/gcc.dg/cmp-mem-const-5.c              |  3 ++-
 gcc/testsuite/gcc.dg/cmp-mem-const-6.c              |  3 ++-
 gcc/testsuite/gcc.dg/pr108447.c                     |  1 +
 gcc/testsuite/gcc.dg/pr94589-6.c                    |  1 +
 gcc/testsuite/gcc.dg/torture/pr125545.c             |  2 +-
 gcc/testsuite/gcc.dg/torture/pr126464.c             |  1 +
 gcc/testsuite/gcc.dg/torture/pr126576.c             |  1 +
 21 files changed, 51 insertions(+), 11 deletions(-)

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2.54.0