From: Richard Henderson <richard.henderson@linaro.org>
To: David Hildenbrand <david@redhat.com>, qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, Cornelia Huck <cohuck@redhat.com>,
Thomas Huth <thuth@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH v1 5/5] s390x/tcg: Implement VECTOR STRING RANGE COMPARE
Date: Fri, 17 May 2019 11:37:26 -0700 [thread overview]
Message-ID: <788d345f-db74-4922-284c-2800b000d834@linaro.org> (raw)
In-Reply-To: <20190515203112.506-6-david@redhat.com>
On 5/15/19 1:31 PM, David Hildenbrand wrote:> + const bool equal =
extract32(c, BITS - 1, 1);> + const bool lower = extract32(c, BITS - 2, 1);>
+ const bool higher = extract32(c, BITS - 3, 1);> +> + if (equal && data
== l) {> + return true;> + } else if (lower && data < l) {> +
return true;> + } else if (higher && data > l) {> + return true;> +
}> + return false;
Only one of the data comparisons can be true. Better as
if (data < l) {
return lower;
} else if (data > l) {
return higher;
} else {
return equal;
}
Otherwise, again, let's see if we can turn these into inlines.
r~
prev parent reply other threads:[~2019-05-17 18:42 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 20:31 [Qemu-devel] [PATCH v1 0/5] s390x/tcg: Vector Instruction Support Part 3 David Hildenbrand
2019-05-15 20:31 ` [Qemu-devel] [PATCH v1 1/5] s390x/tcg: Implement VECTOR FIND ANY ELEMENT EQUAL David Hildenbrand
2019-05-17 16:16 ` Richard Henderson
2019-05-20 9:51 ` David Hildenbrand
2019-05-22 11:01 ` David Hildenbrand
2019-05-22 11:09 ` Richard Henderson
2019-05-22 11:16 ` David Hildenbrand
2019-05-22 15:59 ` Richard Henderson
2019-05-22 18:16 ` David Hildenbrand
2019-05-22 18:46 ` Richard Henderson
2019-05-23 7:50 ` David Hildenbrand
2019-05-23 12:27 ` Richard Henderson
2019-05-23 12:34 ` David Hildenbrand
2019-05-23 12:59 ` David Hildenbrand
2019-05-23 13:50 ` Richard Henderson
2019-05-23 10:58 ` Alex Bennée
2019-05-15 20:31 ` [Qemu-devel] [PATCH v1 2/5] s390x/tcg: Implement VECTOR FIND " David Hildenbrand
2019-05-17 16:47 ` Richard Henderson
2019-05-17 17:42 ` Richard Henderson
2019-05-20 9:17 ` David Hildenbrand
2019-05-15 20:31 ` [Qemu-devel] [PATCH v1 3/5] s390x/tcg: Implement VECTOR FIND ELEMENT NOT EQUAL David Hildenbrand
2019-05-17 17:56 ` Richard Henderson
2019-05-20 9:48 ` David Hildenbrand
2019-05-15 20:31 ` [Qemu-devel] [PATCH v1 4/5] s390x/tcg: Implement VECTOR ISOLATE STRING David Hildenbrand
2019-05-17 18:20 ` Richard Henderson
2019-05-15 20:31 ` [Qemu-devel] [PATCH v1 5/5] s390x/tcg: Implement VECTOR STRING RANGE COMPARE David Hildenbrand
2019-05-17 18:37 ` Richard Henderson [this message]
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