diff options
Diffstat (limited to 'src/cmd/internal/obj/arm64/asm7.go')
| -rw-r--r-- | src/cmd/internal/obj/arm64/asm7.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/arm64/asm7.go b/src/cmd/internal/obj/arm64/asm7.go index 8db25cf967..5d6caaed5f 100644 --- a/src/cmd/internal/obj/arm64/asm7.go +++ b/src/cmd/internal/obj/arm64/asm7.go @@ -3407,6 +3407,9 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) { o4 = os[3] case 13: /* addop $vcon, [R], R (64 bit literal); cmp $lcon,R -> addop $lcon,R, ZR */ + if p.Reg == REGTMP { + c.ctxt.Diag("cannot use REGTMP as source: %v\n", p) + } if p.To.Reg == REG_RSP && isADDSop(p.As) { c.ctxt.Diag("illegal destination register: %v\n", p) } @@ -3724,6 +3727,9 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) { o1 |= (uint32(r&31) << 5) | uint32(rt&31) case 28: /* logop $vcon, [R], R (64 bit literal) */ + if p.Reg == REGTMP { + c.ctxt.Diag("cannot use REGTMP as source: %v\n", p) + } o := uint32(0) num := uint8(0) cls := oclass(&p.From) @@ -4354,6 +4360,9 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) { /* reloc ops */ case 64: /* movT R,addr -> adrp + add + movT R, (REGTMP) */ + if p.From.Reg == REGTMP { + c.ctxt.Diag("cannot use REGTMP as source: %v\n", p) + } o1 = ADR(1, 0, REGTMP) o2 = c.opirr(p, AADD) | REGTMP&31<<5 | REGTMP&31 rel := obj.Addrel(c.cursym) @@ -4585,6 +4594,9 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) { // add Rtmp, R, Rtmp // ldp (Rtmp), (R1, R2) r := int(p.From.Reg) + if r == REGTMP { + c.ctxt.Diag("REGTMP used in large offset load: %v", p) + } if r == obj.REG_NONE { r = int(o.param) } @@ -4601,6 +4613,9 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) { case 76: // add $O, R, Rtmp or sub $O, R, Rtmp // stp (R1, R2), (Rtmp) + if p.From.Reg == REGTMP || p.From.Offset == REGTMP { + c.ctxt.Diag("cannot use REGTMP as source: %v", p) + } r := int(p.To.Reg) if r == obj.REG_NONE { r = int(o.param) @@ -4628,6 +4643,9 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) { // add Rtmp, R, Rtmp // stp (R1, R2), (Rtmp) r := int(p.To.Reg) + if r == REGTMP || p.From.Reg == REGTMP || p.From.Offset == REGTMP { + c.ctxt.Diag("REGTMP used in large offset store: %v", p) + } if r == obj.REG_NONE { r = int(o.param) } @@ -4933,6 +4951,9 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) { o1 |= (uint32(Q&1) << 30) | (uint32((r>>5)&7) << 16) | (uint32(r&0x1f) << 5) | uint32(rt&31) case 87: /* stp (r,r), addr(SB) -> adrp + add + stp */ + if p.From.Reg == REGTMP || p.From.Offset == REGTMP { + c.ctxt.Diag("cannot use REGTMP as source: %v", p) + } o1 = ADR(1, 0, REGTMP) o2 = c.opirr(p, AADD) | REGTMP&31<<5 | REGTMP&31 rel := obj.Addrel(c.cursym) |