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cmd/internal/obj/loong64: add {V,XV}SEQ.{B,H,W,D} instructions support

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Go asm syntax:
         VSEQ{B,H,W,V}  VJ, VK, VD
        XVSEQ{B,H,W,V}  XJ, XK, XD

Equivalent platform assembler syntax:
         vseq.{b,w,h,d}  vd, vj, vk
        xvseq.{b,w,h,d}  xd, xj, xk

Change-Id: Ia87277b12c817ebc41a46f4c3d09f4b76995ff2f
Reviewed-on: https://go-review.googlesource.com/c/go/+/616076
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Guoqi Chen 2024-09-26 19:11:50 +08:00 • committed by abner chenc
parent 751a817ccc
commit 4ce8c0604e
4 changed files with 55 additions and 0 deletions
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27
src/cmd/internal/obj/loong64/asm.go
View file

@ -85,6 +85,8 @@ var optab = []Optab{
{AADDF, C_FREG, C_NONE, C_NONE, C_FREG, C_NONE, 2, 4, 0, 0},
{AADDF, C_FREG, C_FREG, C_NONE, C_FREG, C_NONE, 2, 4, 0, 0},
{ACMPEQF, C_FREG, C_FREG, C_NONE, C_FCCREG, C_NONE, 2, 4, 0, 0},
{AVSEQB, C_VREG, C_VREG, C_NONE, C_VREG, C_NONE, 2, 4, 0, 0},
{AXVSEQB, C_XREG, C_XREG, C_NONE, C_XREG, C_NONE, 2, 4, 0, 0},
{ACLOW, C_REG, C_NONE, C_NONE, C_REG, C_NONE, 9, 4, 0, 0},
{AABSF, C_FREG, C_NONE, C_NONE, C_FREG, C_NONE, 9, 4, 0, 0},
@ -1283,6 +1285,15 @@ func buildop(ctxt *obj.Link) {
}
opset(i, r0)
}
case AVSEQB:
opset(AVSEQH, r0)
opset(AVSEQW, r0)
opset(AVSEQV, r0)
case AXVSEQB:
opset(AXVSEQH, r0)
opset(AXVSEQW, r0)
opset(AXVSEQV, r0)
}
}
}
@ -2125,6 +2136,22 @@ func (c *ctxt0) oprrr(a obj.As) uint32 {
return 0x07088 << 15 // vstx
case AXVMOVQ:
return 0x07098 << 15 // xvstx
case AVSEQB:
return 0x0e000 << 15 // vseq.b
case AXVSEQB:
return 0x0e800 << 15 // xvseq.b
case AVSEQH:
return 0x0e001 << 15 // vseq.h
case AXVSEQH:
return 0x0e801 << 15 // xvseq.h
case AVSEQW:
return 0x0e002 << 15 // vseq.w
case AXVSEQW:
return 0x0e802 << 15 // xvseq.w
case AVSEQV:
return 0x0e003 << 15 // vseq.d
case AXVSEQV:
return 0x0e803 << 15 // xvseq.d
}
if a < 0 {