diff options
Diffstat (limited to 'src/cmd/internal/obj/mips/obj0.go')
| -rw-r--r-- | src/cmd/internal/obj/mips/obj0.go | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/src/cmd/internal/obj/mips/obj0.go b/src/cmd/internal/obj/mips/obj0.go index 3106143844..77cad979a6 100644 --- a/src/cmd/internal/obj/mips/obj0.go +++ b/src/cmd/internal/obj/mips/obj0.go @@ -158,19 +158,14 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { /* * find leaf subroutines - * strip NOPs * expand RET * expand BECOME pseudo */ - var q *obj.Prog - var q1 *obj.Prog for p := c.cursym.Func.Text; p != nil; p = p.Link { switch p.As { /* too hard, just leave alone */ case obj.ATEXT: - q = p - p.Mark |= LABEL | LEAF | SYNC if p.Link != nil { p.Link.Mark |= LABEL @@ -179,7 +174,6 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { /* too hard, just leave alone */ case AMOVW, AMOVV: - q = p if p.To.Type == obj.TYPE_REG && p.To.Reg >= REG_SPECIAL { p.Mark |= LABEL | SYNC break @@ -195,11 +189,9 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { ATLBWI, ATLBP, ATLBR: - q = p p.Mark |= LABEL | SYNC case ANOR: - q = p if p.To.Type == obj.TYPE_REG { if p.To.Reg == REGZERO { p.Mark |= LABEL | SYNC @@ -235,8 +227,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { } else { p.Mark |= BRANCH } - q = p - q1 = p.Pcond + q1 := p.Pcond if q1 != nil { for q1.As == obj.ANOP { q1 = q1.Link @@ -254,24 +245,11 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { if q1 != nil { q1.Mark |= LABEL } - continue case ARET: - q = p if p.Link != nil { p.Link.Mark |= LABEL } - continue - - case obj.ANOP: - q1 = p.Link - q.Link = q1 /* q is non-nop */ - q1.Mark |= p.Mark - continue - - default: - q = p - continue } } @@ -284,6 +262,8 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { mov = AMOVW } + var q *obj.Prog + var q1 *obj.Prog autosize := int32(0) var p1 *obj.Prog var p2 *obj.Prog |