diff options
Diffstat (limited to 'src/cmd/internal/obj/arm64/obj7.go')
| -rw-r--r-- | src/cmd/internal/obj/arm64/obj7.go | 56 |
1 files changed, 2 insertions, 54 deletions
diff --git a/src/cmd/internal/obj/arm64/obj7.go b/src/cmd/internal/obj/arm64/obj7.go index b046685ada..0d74430053 100644 --- a/src/cmd/internal/obj/arm64/obj7.go +++ b/src/cmd/internal/obj/arm64/obj7.go @@ -468,73 +468,21 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { /* * find leaf subroutines - * strip NOPs - * expand RET */ - q := (*obj.Prog)(nil) - var q1 *obj.Prog for p := c.cursym.Func.Text; p != nil; p = p.Link { switch p.As { case obj.ATEXT: p.Mark |= LEAF - case obj.ARET: - break - - case obj.ANOP: - if p.Link != nil { - q1 = p.Link - q.Link = q1 /* q is non-nop */ - q1.Mark |= p.Mark - } - continue - case ABL, obj.ADUFFZERO, obj.ADUFFCOPY: c.cursym.Func.Text.Mark &^= LEAF - fallthrough - - case ACBNZ, - ACBZ, - ACBNZW, - ACBZW, - ATBZ, - ATBNZ, - AB, - ABEQ, - ABNE, - ABCS, - ABHS, - ABCC, - ABLO, - ABMI, - ABPL, - ABVS, - ABVC, - ABHI, - ABLS, - ABGE, - ABLT, - ABGT, - ABLE, - AADR, /* strange */ - AADRP: - q1 = p.Pcond - - if q1 != nil { - for q1.As == obj.ANOP { - q1 = q1.Link - p.Pcond = q1 - } - } - - break } - - q = p } + var q *obj.Prog + var q1 *obj.Prog var retjmp *obj.LSym for p := c.cursym.Func.Text; p != nil; p = p.Link { o := p.As |