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path: root/src/cmd/internal/obj/arm64/asm7.go
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Diffstat (limited to 'src/cmd/internal/obj/arm64/asm7.go')
-rw-r--r--src/cmd/internal/obj/arm64/asm7.go11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/cmd/internal/obj/arm64/asm7.go b/src/cmd/internal/obj/arm64/asm7.go
index ca81238c93..b1ee552489 100644
--- a/src/cmd/internal/obj/arm64/asm7.go
+++ b/src/cmd/internal/obj/arm64/asm7.go
@@ -696,9 +696,16 @@ func span7(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
o = c.oplook(p)
/* very large branches */
- if (o.type_ == 7 || o.type_ == 39) && p.Pcond != nil { // 7: BEQ and like, 39: CBZ and like
+ if (o.type_ == 7 || o.type_ == 39 || o.type_ == 40) && p.Pcond != nil { // 7: BEQ and like, 39: CBZ and like, 40: TBZ and like
otxt := p.Pcond.Pc - pc
- if otxt <= -(1<<18)+10 || otxt >= (1<<18)-10 {
+ var toofar bool
+ switch o.type_ {
+ case 7, 39: // branch instruction encodes 19 bits
+ toofar = otxt <= -(1<<20)+10 || otxt >= (1<<20)-10
+ case 40: // branch instruction encodes 14 bits
+ toofar = otxt <= -(1<<15)+10 || otxt >= (1<<15)-10
+ }
+ if toofar {
q := c.newprog()
q.Link = p.Link
p.Link = q