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cmd/intarnal/obj: add new assembly format for VANDV and VANDB on loong64

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In order to make it easier to write in assembly and to be consistent
with the usage of general instructions, a new assembly format is
added for the instructions VANDV and VANDB.

It also works for instructions XVAND{V,B}, [X]V{OR,XOR,NOR,ANDN,ORN}V
and [X]V{OR,XOR,NOR}B.

Change-Id: Ia75d607ac918950e58840ec627aaf0be45d837fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/671316
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Xiaolin Zhao 2025-05-13 10:50:51 +08:00 • committed by abner chenc
parent a1c3e2f008
commit c62099cfac
2 changed files with 24 additions and 0 deletions
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4
src/cmd/internal/obj/loong64/asm.go
View file

@ -92,9 +92,13 @@ var optab = []Optab{
{AVSEQB, C_S5CON, C_VREG, C_NONE, C_VREG, C_NONE, 22, 4, 0, 0},
{AXVSEQB, C_S5CON, C_XREG, C_NONE, C_XREG, C_NONE, 22, 4, 0, 0},
{AVANDV, C_VREG, C_VREG, C_NONE, C_VREG, C_NONE, 2, 4, 0, 0},
{AVANDV, C_VREG, C_NONE, C_NONE, C_VREG, C_NONE, 2, 4, 0, 0},
{AXVANDV, C_XREG, C_XREG, C_NONE, C_XREG, C_NONE, 2, 4, 0, 0},
{AXVANDV, C_XREG, C_NONE, C_NONE, C_XREG, C_NONE, 2, 4, 0, 0},
{AVANDB, C_U8CON, C_VREG, C_NONE, C_VREG, C_NONE, 23, 4, 0, 0},
{AVANDB, C_U8CON, C_NONE, C_NONE, C_VREG, C_NONE, 23, 4, 0, 0},
{AXVANDB, C_U8CON, C_XREG, C_NONE, C_XREG, C_NONE, 23, 4, 0, 0},
{AXVANDB, C_U8CON, C_NONE, C_NONE, C_XREG, C_NONE, 23, 4, 0, 0},
{AVADDB, C_VREG, C_VREG, C_NONE, C_VREG, C_NONE, 2, 4, 0, 0},
{AVADDB, C_VREG, C_NONE, C_NONE, C_VREG, C_NONE, 2, 4, 0, 0},