From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, Stephen Long <steplong@quicinc.com>
Subject: [PULL 3/7] softfloat: Add float16_is_normal
Date: Sat, 29 Aug 2020 19:31:59 -0700 [thread overview]
Message-ID: <20200830023203.612312-4-richard.henderson@linaro.org> (raw)
In-Reply-To: <20200830023203.612312-1-richard.henderson@linaro.org>
From: Stephen Long <steplong@quicinc.com>
This float16 predicate was missing from the normal set.
Signed-off-by: Stephen Long <steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/fpu/softfloat.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 0a5a5e5d0b..863dfc6151 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -272,6 +272,11 @@ static inline bool float16_is_zero_or_denormal(float16 a)
return (float16_val(a) & 0x7c00) == 0;
}
+static inline bool float16_is_normal(float16 a)
+{
+ return (((float16_val(a) >> 10) + 1) & 0x1f) >= 2;
+}
+
static inline float16 float16_abs(float16 a)
{
/* Note that abs does *not* handle NaN specially, nor does
--
2.25.1
next prev parent reply other threads:[~2020-08-30 2:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-30 2:31 [PULL 0/7] softfloat patch queue Richard Henderson
2020-08-30 2:31 ` [PULL 1/7] softfloat: Implement the full set of comparisons for float16 Richard Henderson
2020-08-30 2:31 ` [PULL 2/7] softfloat: Add fp16 and uint8/int8 conversion functions Richard Henderson
2020-08-30 2:31 ` Richard Henderson [this message]
2020-08-30 2:32 ` [PULL 4/7] softfloat: Define operations for bfloat16 Richard Henderson
2020-08-30 2:32 ` [PULL 5/7] softfloat: Define convert " Richard Henderson
2020-08-30 2:32 ` [PULL 6/7] softfloat: Define misc " Richard Henderson
2020-08-30 2:32 ` [PULL 7/7] softfloat: Define comparison " Richard Henderson
2020-08-31 18:38 ` [PULL 0/7] softfloat patch queue Peter Maydell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200830023203.612312-4-richard.henderson@linaro.org \
--to=richard.henderson@linaro.org \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
--cc=steplong@quicinc.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).