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s390x/tcg: Check for exceptions in SET BFP ROUNDING MODE

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Let's split handling of BFP/DFP rounding mode configuration. Also,
let's not reuse the sfpc handler, use a separate handler so we can
properly check for specification exceptions for SRNMB.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190218122710.23639-10-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2019-02-18 13:27:04 +01:00 • committed by Cornelia Huck
parent 2aea83c672
commit b9c737f58e
4 changed files with 39 additions and 35 deletions
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target/s390x/helper.h
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@ -106,6 +106,7 @@ DEF_HELPER_4(cksm, i64, env, i64, i64, i64)
DEF_HELPER_FLAGS_5(calc_cc, TCG_CALL_NO_RWG_SE, i32, env, i32, i64, i64, i64)
DEF_HELPER_FLAGS_2(sfpc, TCG_CALL_NO_WG, void, env, i64)
DEF_HELPER_FLAGS_2(sfas, TCG_CALL_NO_WG, void, env, i64)
DEF_HELPER_FLAGS_2(srnm, TCG_CALL_NO_WG, void, env, i64)
DEF_HELPER_FLAGS_1(popcnt, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_2(stfle, i32, env, i64)
DEF_HELPER_FLAGS_2(lpq, TCG_CALL_NO_WG, i64, env, i64)