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| author | Richard Henderson | 2020-12-14 23:13:54 +0100 |
|---|---|---|
| committer | Cornelia Huck | 2020-12-21 18:11:33 +0100 |
| commit | 3bcc3fa79902d72ab6385bb135e4c3e34931a697 (patch) | |
| tree | 121c3d691bfb719ada6808802aec50738cc913ab /target/s390x/internal.h | |
| parent | target/s390x: Improve cc computation for ADD LOGICAL (diff) | |
| download | qemu-3bcc3fa79902d72ab6385bb135e4c3e34931a697.tar.gz qemu-3bcc3fa79902d72ab6385bb135e4c3e34931a697.tar.xz qemu-3bcc3fa79902d72ab6385bb135e4c3e34931a697.zip | |
target/s390x: Improve ADD LOGICAL WITH CARRY
Now that ADD LOGICAL outputs carry, we can use that as input directly.
It also means we can re-use CC_OP_ADDU and produce an output carry
directly from ADD LOGICAL WITH CARRY.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201214221356.68039-3-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x/internal.h')
| -rw-r--r-- | target/s390x/internal.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/target/s390x/internal.h b/target/s390x/internal.h index 55c5442102..f5f3ae063e 100644 --- a/target/s390x/internal.h +++ b/target/s390x/internal.h @@ -170,7 +170,6 @@ enum cc_op { CC_OP_LTGT0_64, /* signed less/greater than 0 (64bit) */ CC_OP_ADD_64, /* overflow on add (64bit) */ - CC_OP_ADDC_64, /* overflow on unsigned add-carry (64bit) */ CC_OP_SUB_64, /* overflow on subtraction (64bit) */ CC_OP_SUBU_64, /* overflow on unsigned subtraction (64bit) */ CC_OP_SUBB_64, /* overflow on unsigned sub-borrow (64bit) */ @@ -179,7 +178,6 @@ enum cc_op { CC_OP_MULS_64, /* overflow on signed multiply (64bit) */ CC_OP_ADD_32, /* overflow on add (32bit) */ - CC_OP_ADDC_32, /* overflow on unsigned add-carry (32bit) */ CC_OP_SUB_32, /* overflow on subtraction (32bit) */ CC_OP_SUBU_32, /* overflow on unsigned subtraction (32bit) */ CC_OP_SUBB_32, /* overflow on unsigned sub-borrow (32bit) */ |