This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
[PATCH 01/17] Skeleton documentation for the RISC-V port
- From: Palmer Dabbelt <palmer at dabbelt dot com>
- To: libc-alpha at sourceware dot org, joseph at codesourcery dot com
- Cc: Andrew Waterman <andrew at sifive dot com>, Darius Rad <darius at bluespec dot com>, dj at redhat dot com, patches at groups dot riscv dot org, Palmer Dabbelt <palmer at dabbelt dot com>
- Date: Wed, 24 Jan 2018 20:36:05 -0800
- Subject: [PATCH 01/17] Skeleton documentation for the RISC-V port
- Authentication-results: sourceware.org; auth=none
- References: <20180125043621.19972-1-palmer@dabbelt.com>
During the upstreaming process it was suggested that I add a handful of
small documentation entries about the RISC-V port, which I've collected
here.
2018-01-13 Palmer Dabbelt <palmer@sifive.com>
* manual/math.texi: RISC-V supports _Float128 and _Float64x
---
NEWS | 15 +++++++++++----
README | 2 ++
manual/math.texi | 2 +-
3 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/NEWS b/NEWS
index ecefc5236489..4cd77c1e2f98 100644
--- a/NEWS
+++ b/NEWS
@@ -41,13 +41,13 @@ Major new features:
process aborts as the result of assertion failures.
* On platforms where long double has the IEEE binary128 format (aarch64,
- alpha, mips64, s390 and sparc), the math library now implements _Float128
- interfaces for that type, as defined by ISO/IEC TS 18661-3:2015. These
- are the same interfaces added in version 2.26 for some platforms where
+ alpha, mips64, riscv, s390 and sparc), the math library now implements
+ _Float128 interfaces for that type, as defined by ISO/IEC TS 18661-3:2015.
+ These are the same interfaces added in version 2.26 for some platforms where
this format is supported but is not the format of long double.
* On platforms with support for _Float64x (aarch64, alpha, i386, ia64,
- mips64, powerpc64le, s390, sparc and x86_64), the math library now
+ mips64, powerpc64le, riscv, s390, sparc and x86_64), the math library now
implements interfaces for that type, as defined by ISO/IEC TS
18661-3:2015. These are corresponding interfaces to those supported for
_Float128.
@@ -98,6 +98,13 @@ Major new features:
to fail to load locales and fall back to the builtin C/POSIX locales.
See notes below for other changes affecting compatibility.
+* Support for the RISC-V ISA running on Linux has been added. This port
+ requires at least binutils-2.30, gcc-7.3.0, and linux-4.15; and is supported
+ for the following ISA and ABI pairs:
+
+ - rv64imafdc lp64
+ - rv64imafdc lp64d
+
Deprecated and removed features, and other changes affecting compatibility:
* Statically compiled applications attempting to load locales compiled for the
diff --git a/README b/README
index d0e99ea7d5a0..425a82956fc8 100644
--- a/README
+++ b/README
@@ -39,6 +39,8 @@ The GNU C Library supports these configurations for using Linux kernels:
powerpc64*-*-linux-gnu Big-endian and little-endian.
s390-*-linux-gnu
s390x-*-linux-gnu
+ riscv32-*-linux-gnu
+ riscv64-*-linux-gnu
sh[34]-*-linux-gnu
sparc*-*-linux-gnu
sparc64*-*-linux-gnu
diff --git a/manual/math.texi b/manual/math.texi
index a9f2a9813832..d19a14b47dc3 100644
--- a/manual/math.texi
+++ b/manual/math.texi
@@ -70,7 +70,7 @@ provided for @code{_Float32}, @code{_Float64} and @code{_Float32x} on
all platforms.
It is also provided for @code{_Float128} and @code{_Float64x} on
powerpc64le (PowerPC 64-bits little-endian), x86_64, x86, ia64,
-aarch64, alpha, mips64, s390 and sparc.
+aarch64, alpha, mips64, riscv, s390 and sparc.
@menu
* Mathematical Constants:: Precise numeric values for often-used
--
2.13.6