Integrated: 8295968: RISC-V: Rename some assembler intrinsic functions for RVV 1.0

[Dingli Zhang]

On Thu, 27 Oct 2022 02:23:13 GMT, Dingli Zhang <dzhang at openjdk.org> wrote:

> Hi,
> 
> Some instructions previously had old assembler notation, but were renamed in RVV1.0 to be consistent with scalar instructions, such as `vpopc_m->vcpop_m`[1] , `vfredsum_vs->vfredusum_vs`[2], `vmornot_mm->vmorn_mm/vmandnot_mm->vmandn_mm`[3], `vle1_v->vlm_v/vse1_v->vsm_v`[4]. We'd better keep the name the same as the new assembler mnemonics.
> 
> The instruction `vl1r.v` in rvv0.9[5] is the same logic as `vl1re8.v` in rvv1.0[6], while in rvv1.0 it becomes a pseudoinstruction which is equal to `vl1re8.v`.
> 
> By the way, we can find all the rvv aliases here[7].
> 
> Please take a look and have some reviews. Thanks a lot.
> 
> 
> [1] https://github.com/riscv/riscv-v-spec/blob/v1.0/v-spec.adoc#152-vector-count-population-in-mask-vcpopm
> [2] https://github.com/riscv/riscv-v-spec/blob/v1.0/v-spec.adoc#143-vector-single-width-floating-point-reduction-instructions
> [3] https://github.com/riscv/riscv-v-spec/blob/v1.0/v-spec.adoc#151-vector-mask-register-logical-instructions
> [4] https://github.com/riscv/riscv-v-spec/blob/v1.0/v-spec.adoc#74-vector-unit-stride-instructions
> [5] https://github.com/riscv/riscv-v-spec/blob/0.9/v-spec.adoc#79-vector-loadstore-whole-register-instructions
> [6] https://github.com/riscv/riscv-v-spec/blob/v1.0/v-spec.adoc#79-vector-loadstore-whole-register-instructions
> [7] https://github.com/riscv/riscv-opcodes/blob/master/rv_v_aliases
> 
> ## Testing:
> 
> - hotspot and jdk tier1 on unmatched board without new failures

This pull request has now been integrated.

Changeset: 2bd24c45
Author:    Dingli Zhang <dzhang at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/2bd24c4542d6a28b8a7829f6db8f80fefd2bce5a
Stats:     10 lines in 4 files changed: 0 ins; 0 del; 10 mod

8295968: RISC-V: Rename some assembler intrinsic functions for RVV 1.0

Reviewed-by: fyang

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PR: https://git.openjdk.org/jdk/pull/10878