From: Meng Zhuo <mzh@mzh.io>
To: musl@lists.openwall.com
Subject: [musl] [PATCH 1/2] math: add riscv64 llround/llroundf
Date: Wed, 12 Jun 2024 17:00:17 +0800 [thread overview]
Message-ID: <20240612090018.258573-1-mzh@mzh.io> (raw)
---
src/math/riscv64/llround.c | 16 ++++++++++++++++
src/math/riscv64/llroundf.c | 16 ++++++++++++++++
2 files changed, 32 insertions(+)
create mode 100644 src/math/riscv64/llround.c
create mode 100644 src/math/riscv64/llroundf.c
diff --git a/src/math/riscv64/llround.c b/src/math/riscv64/llround.c
new file mode 100644
index 00000000..fa646b5a
--- /dev/null
+++ b/src/math/riscv64/llround.c
@@ -0,0 +1,16 @@
+#include <math.h>
+
+#if __riscv_flen >= 64
+
+long long llround(double x)
+{
+ long long n;
+ __asm__ ("fcvt.l.d %0, %1, rmm" : "=r"(n) : "f"(x));
+ return n;
+}
+
+#else
+
+#include "../llround.c"
+
+#endif
diff --git a/src/math/riscv64/llroundf.c b/src/math/riscv64/llroundf.c
new file mode 100644
index 00000000..db2d58df
--- /dev/null
+++ b/src/math/riscv64/llroundf.c
@@ -0,0 +1,16 @@
+#include <math.h>
+
+#if __riscv_flen >= 32
+
+long long llroundf(float x)
+{
+ long long n;
+ __asm__ ("fcvt.l.s %0, %1, rmm" : "=r"(n) : "f"(x));
+ return n;
+}
+
+#else
+
+#include "../llroundf.c"
+
+#endif
--
2.39.2
next reply other threads:[~2024-06-12 9:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-12 9:00 Meng Zhuo [this message]
2024-06-12 14:14 ` Rich Felker
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=20240612090018.258573-1-mzh@mzh.io \
--to=mzh@mzh.io \
--cc=musl@lists.openwall.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.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/musl/
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).