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cmd/internal/obj/arm64: remove spurious assignments with OR

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Use = rather than |= when assigning to an op variable.

Change-Id: I142c9fb3aa6f4b48875710100c05ab640e21933a
Reviewed-on: https://go-review.googlesource.com/c/go/+/461135
Reviewed-by: Eric Fang <eric.fang@arm.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Joel Sing 2023-01-09 04:31:47 +11:00
parent e7cfcda67d
commit 71c02bed67
1 changed files with 7 additions and 7 deletions
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14
src/cmd/internal/obj/arm64/asm7.go
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@ -4513,7 +4513,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
if r == obj.REG_NONE {
c.ctxt.Diag("invalid ldp source: %v\n", p)
}
o1 |= c.opldpstp(p, o, v, uint32(r), uint32(p.To.Reg), uint32(p.To.Offset), 1)
o1 = c.opldpstp(p, o, v, uint32(r), uint32(p.To.Reg), uint32(p.To.Offset), 1)
case 67: /* stp (r1, r2), O(R)!; stp (r1, r2), (R)O! */
r := int(p.To.Reg)
@ -4707,7 +4707,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
}
o1 = c.oaddi(p, int32(c.opirr(p, ASUB)), -v, r, REGTMP)
}
o2 |= c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.To.Reg), uint32(p.To.Offset), 1)
o2 = c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.To.Reg), uint32(p.To.Offset), 1)
case 75:
// mov $L, Rtmp (from constant pool)
@ -4728,7 +4728,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
o2 |= (REGTMP & 31) << 16
o2 |= uint32(r&31) << 5
o2 |= uint32(REGTMP & 31)
o3 |= c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.To.Reg), uint32(p.To.Offset), 1)
o3 = c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.To.Reg), uint32(p.To.Offset), 1)
case 76:
// add $O, R, Rtmp or sub $O, R, Rtmp
@ -4756,7 +4756,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
}
o1 = c.oaddi(p, int32(c.opirr(p, ASUB)), -v, r, REGTMP)
}
o2 |= c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.From.Reg), uint32(p.From.Offset), 0)
o2 = c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.From.Reg), uint32(p.From.Offset), 0)
case 77:
// mov $L, Rtmp (from constant pool)
@ -4777,7 +4777,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
o2 |= REGTMP & 31 << 16
o2 |= uint32(r&31) << 5
o2 |= uint32(REGTMP & 31)
o3 |= c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.From.Reg), uint32(p.From.Offset), 0)
o3 = c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.From.Reg), uint32(p.From.Offset), 0)
case 78: /* vmov R, V.<T>[index] */
rf := int(p.From.Reg)
@ -5082,7 +5082,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
rel.Sym = p.To.Sym
rel.Add = p.To.Offset
rel.Type = objabi.R_ADDRARM64
o3 |= c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.From.Reg), uint32(p.From.Offset), 0)
o3 = c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.From.Reg), uint32(p.From.Offset), 0)
case 88: /* ldp addr(SB), (r,r) -> adrp + add + ldp */
o1 = ADR(1, 0, REGTMP)
@ -5093,7 +5093,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
rel.Sym = p.From.Sym
rel.Add = p.From.Offset
rel.Type = objabi.R_ADDRARM64
o3 |= c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.To.Reg), uint32(p.To.Offset), 1)
o3 = c.opldpstp(p, o, 0, uint32(REGTMP), uint32(p.To.Reg), uint32(p.To.Offset), 1)
case 89: /* vadd/vsub Vm, Vn, Vd */
switch p.As {