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internal/chacha8rand: replace WORD with instruction VMOVQ

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Change-Id: I5d05af4d071b4b0ee60fafbd2a39494128bdf3f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/682896
Reviewed-by: Mark Freeman <markfreeman@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This commit is contained in:
Xiaolin Zhao 2025-06-19 21:03:27 +08:00 • committed by abner chenc
parent 4c7362e41c
commit 5defe8ebb3
1 changed files with 12 additions and 24 deletions
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36
src/internal/chacha8rand/chacha8_loong64.s
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@ -49,35 +49,23 @@ lsx_chacha8:
MOVV $·chachaIncRot(SB), R11
// load contants
// VLDREPL.W $0, R10, V0
WORD $0x30200140
// VLDREPL.W $1, R10, V1
WORD $0x30200541
// VLDREPL.W $2, R10, V2
WORD $0x30200942
// VLDREPL.W $3, R10, V3
WORD $0x30200d43
VMOVQ (R10), V0.W4
VMOVQ 1(R10), V1.W4
VMOVQ 2(R10), V2.W4
VMOVQ 3(R10), V3.W4
// load 4-32bit data from incRotMatrix added to counter
VMOVQ (R11), V30
// load seed
// VLDREPL.W $0, R4, V4
WORD $0x30200084
// VLDREPL.W $1, R4, V5
WORD $0x30200485
// VLDREPL.W $2, R4, V6
WORD $0x30200886
// VLDREPL.W $3, R4, V7
WORD $0x30200c87
// VLDREPL.W $4, R4, V8
WORD $0x30201088
// VLDREPL.W $5, R4, V9
WORD $0x30201489
// VLDREPL.W $6, R4, V10
WORD $0x3020188a
// VLDREPL.W $7, R4, V11
WORD $0x30201c8b
VMOVQ (R4), V4.W4
VMOVQ 1(R4), V5.W4
VMOVQ 2(R4), V6.W4
VMOVQ 3(R4), V7.W4
VMOVQ 4(R4), V8.W4
VMOVQ 5(R4), V9.W4
VMOVQ 6(R4), V10.W4
VMOVQ 7(R4), V11.W4
// load counter and update counter
VMOVQ R6, V12.W4