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target/s390x: Improve ADD LOGICAL WITH CARRY

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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>
This commit is contained in:
Richard Henderson 2020-12-14 16:13:54 -06:00 • committed by Cornelia Huck
parent ff26d287bd
commit 3bcc3fa799
5 changed files with 36 additions and 69 deletions
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2
target/s390x/helper.c
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@ -403,14 +403,12 @@ const char *cc_name(enum cc_op cc_op)
[CC_OP_LTGT0_32] = "CC_OP_LTGT0_32",
[CC_OP_LTGT0_64] = "CC_OP_LTGT0_64",
[CC_OP_ADD_64] = "CC_OP_ADD_64",
[CC_OP_ADDC_64] = "CC_OP_ADDC_64",
[CC_OP_SUB_64] = "CC_OP_SUB_64",
[CC_OP_SUBU_64] = "CC_OP_SUBU_64",
[CC_OP_SUBB_64] = "CC_OP_SUBB_64",
[CC_OP_ABS_64] = "CC_OP_ABS_64",
[CC_OP_NABS_64] = "CC_OP_NABS_64",
[CC_OP_ADD_32] = "CC_OP_ADD_32",
[CC_OP_ADDC_32] = "CC_OP_ADDC_32",
[CC_OP_SUB_32] = "CC_OP_SUB_32",
[CC_OP_SUBU_32] = "CC_OP_SUBU_32",
[CC_OP_SUBB_32] = "CC_OP_SUBB_32",