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authorPalmer Dabbelt <palmer@dabbelt.com>2017-12-26 20:55:44 -0800
committerPalmer Dabbelt <palmer@dabbelt.com>2018-01-29 10:22:26 -0800
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tree7eed5a73355741ee0b262d7afacfb4e65011ab6b /NEWS
parent532cf290d023487b141b9369f29cd780ec93ac8b (diff)
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Skeleton documentation for the RISC-V port
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. 2018-01-29 Palmer Dabbelt <palmer@sifive.com> * manual/math.texi: RISC-V supports _Float128 and _Float64x.
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@@ -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 +98,14 @@ 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:
+
+ - rv64imac lp64
+ - rv64imafdc lp64
+ - rv64imafdc lp64d
+
Deprecated and removed features, and other changes affecting compatibility:
* Statically compiled applications attempting to load locales compiled for the