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cmd/asm: add arm64 instructions VUMAX and VUMIN

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This CL adds support for arm64 fp&simd instructions VUMAX and VUMIN.
Fixes #42326

Change-Id: I3757ba165dc31ce1ce70f3b06a9e5b94c14d2ab9
Reviewed-on: https://go-review.googlesource.com/c/go/+/271497
Trust: eric fang <eric.fang@arm.com>
Run-TryBot: eric fang <eric.fang@arm.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: fannie zhang <Fannie.Zhang@arm.com>
Reviewed-by: eric fang <eric.fang@arm.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
eric fang 2020-11-19 07:18:41 +00:00
parent 79beddc773
commit 726d704c32
5 changed files with 32 additions and 0 deletions
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12
src/cmd/asm/internal/asm/testdata/arm64.s vendored
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@ -207,6 +207,18 @@ TEXT foo(SB), DUPOK|NOSPLIT, $-8
VUADDW2 V9.B16, V12.H8, V14.H8 // 8e11296e
VUADDW2 V13.H8, V20.S4, V30.S4 // 9e126d6e
VUADDW2 V21.S4, V24.D2, V29.D2 // 1d13b56e
VUMAX V3.B8, V2.B8, V1.B8 // 4164232e
VUMAX V3.B16, V2.B16, V1.B16 // 4164236e
VUMAX V3.H4, V2.H4, V1.H4 // 4164632e
VUMAX V3.H8, V2.H8, V1.H8 // 4164636e
VUMAX V3.S2, V2.S2, V1.S2 // 4164a32e
VUMAX V3.S4, V2.S4, V1.S4 // 4164a36e
VUMIN V3.B8, V2.B8, V1.B8 // 416c232e
VUMIN V3.B16, V2.B16, V1.B16 // 416c236e
VUMIN V3.H4, V2.H4, V1.H4 // 416c632e
VUMIN V3.H8, V2.H8, V1.H8 // 416c636e
VUMIN V3.S2, V2.S2, V1.S2 // 416ca32e
VUMIN V3.S4, V2.S4, V1.S4 // 416ca36e
FCCMPS LT, F1, F2, $1 // 41b4211e
FMADDS F1, F3, F2, F4 // 440c011f
FMADDD F4, F5, F4, F4 // 8414441f

4
src/cmd/asm/internal/asm/testdata/arm64error.s vendored
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@ -358,6 +358,10 @@ TEXT errors(SB),$0
VBIF V0.D2, V1.D2, V2.D2 // ERROR "invalid arrangement"
VUADDW V9.B8, V12.H8, V14.B8 // ERROR "invalid arrangement"
VUADDW2 V9.B8, V12.S4, V14.S4 // ERROR "operand mismatch"
VUMAX V1.D2, V2.D2, V3.D2 // ERROR "invalid arrangement"
VUMIN V1.D2, V2.D2, V3.D2 // ERROR "invalid arrangement"
VUMAX V1.B8, V2.B8, V3.B16 // ERROR "operand mismatch"
VUMIN V1.H4, V2.S4, V3.H4 // ERROR "operand mismatch"
VSLI $64, V7.D2, V8.D2 // ERROR "shift out of range"
VUSRA $0, V7.D2, V8.D2 // ERROR "shift out of range"
CASPD (R3, R4), (R2), (R8, R9) // ERROR "source register pair must start from even register"

2
src/cmd/internal/obj/arm64/a.out.go
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@ -1031,6 +1031,8 @@ const (
AVEXT
AVRBIT
AVRAX1
AVUMAX
AVUMIN
AVUSHR
AVUSHLL
AVUSHLL2

2
src/cmd/internal/obj/arm64/anames.go
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@ -515,6 +515,8 @@ var Anames = []string{
"VEXT",
"VRBIT",
"VRAX1",
"VUMAX",
"VUMIN",
"VUSHR",
"VUSHLL",
"VUSHLL2",

12
src/cmd/internal/obj/arm64/asm7.go
View File

@ -3017,6 +3017,8 @@ func buildop(ctxt *obj.Link) {
oprangeset(AVBSL, t)
oprangeset(AVBIT, t)
oprangeset(AVCMTST, t)
oprangeset(AVUMAX, t)
oprangeset(AVUMIN, t)
oprangeset(AVUZP1, t)
oprangeset(AVUZP2, t)
oprangeset(AVBIF, t)
@ -4529,6 +4531,10 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
if af != ARNG_2D && af != ARNG_2S && af != ARNG_4S {
c.ctxt.Diag("invalid arrangement: %v", p)
}
case AVUMAX, AVUMIN:
if af == ARNG_2D {
c.ctxt.Diag("invalid arrangement: %v", p)
}
}
switch p.As {
case AVAND, AVEOR:
@ -6205,6 +6211,12 @@ func (c *ctxt7) oprrr(p *obj.Prog, a obj.As) uint32 {
case AVCMTST:
return 0xE<<24 | 1<<21 | 0x23<<10
case AVUMAX:
return 1<<29 | 7<<25 | 1<<21 | 0x19<<10
case AVUMIN:
return 1<<29 | 7<<25 | 1<<21 | 0x1b<<10
case AVUZP1:
return 7<<25 | 3<<11