Docs: Add doc for RISC-V vector intrinsics
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Commit Message
Document which version of RISC-V vector intrinsics has implemented in
GCC.
gcc/ChangeLog:
* doc/extend.texi (Target Builtins): Add RISC-V Vector
Intrinsics.
(RISC-V Vector Intrinsics): Document GCC implemented which
version of RISC-V vector intrinsics and its reference.
OK for 13?
---
gcc/doc/extend.texi | 9 +++++++++
1 file changed, 9 insertions(+)
Comments
On 4/18/23 04:16, Kito Cheng via Gcc-patches wrote:
> Document which version of RISC-V vector intrinsics has implemented in
> GCC.
>
> gcc/ChangeLog:
>
> * doc/extend.texi (Target Builtins): Add RISC-V Vector
> Intrinsics.
> (RISC-V Vector Intrinsics): Document GCC implemented which
> version of RISC-V vector intrinsics and its reference.
>
> OK for 13?
OK for 13 and the trunk.
jeff
committed to trunk and gcc 13
On Tue, Apr 18, 2023 at 9:29 PM Jeff Law <jeffreyalaw@gmail.com> wrote:
>
>
>
> On 4/18/23 04:16, Kito Cheng via Gcc-patches wrote:
> > Document which version of RISC-V vector intrinsics has implemented in
> > GCC.
> >
> > gcc/ChangeLog:
> >
> > * doc/extend.texi (Target Builtins): Add RISC-V Vector
> > Intrinsics.
> > (RISC-V Vector Intrinsics): Document GCC implemented which
> > version of RISC-V vector intrinsics and its reference.
> >
> > OK for 13?
> OK for 13 and the trunk.
>
> jeff
@@ -14689,6 +14689,7 @@ instructions, but allow the compiler to schedule those calls.
* PowerPC Matrix-Multiply Assist Built-in Functions::
* PRU Built-in Functions::
* RISC-V Built-in Functions::
+* RISC-V Vector Intrinsics::
* RX Built-in Functions::
* S/390 System z Built-in Functions::
* SH Built-in Functions::
@@ -21248,6 +21249,14 @@ Xgnuzihintpausestate extension, which redefines the @code{pause} instruction to
change architectural state.
@enddefbuiltin
+@node RISC-V Vector Intrinsics
+@subsection RISC-V Vector Intrinsics
+
+GCC supports vector intrinsics as specified in version 0.11 of the RISC-V
+vector intrinsic specification, which is available at the following link:
+@uref{https://github.com/riscv-non-isa/rvv-intrinsic-doc/tree/v0.11.x}.
+All of these functions are declared in the include file @file{riscv_vector.h}.
+
@node RX Built-in Functions
@subsection RX Built-in Functions
GCC supports some of the RX instructions which cannot be expressed in