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Docs: Add doc for RISC-V vector intrinsics

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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.
This commit is contained in:
Kito Cheng 2023-04-18 18:07:06 +08:00
parent f548ece7ab
commit 14c1a8dfa3
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@ -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