diff options
Diffstat (limited to 'src/cmd/compile/internal/ppc64/ggen.go')
| -rw-r--r-- | src/cmd/compile/internal/ppc64/ggen.go | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/src/cmd/compile/internal/ppc64/ggen.go b/src/cmd/compile/internal/ppc64/ggen.go index c76962cfb8..3ae6422bf9 100644 --- a/src/cmd/compile/internal/ppc64/ggen.go +++ b/src/cmd/compile/internal/ppc64/ggen.go @@ -53,30 +53,3 @@ func ginsnop(pp *objw.Progs) *obj.Prog { p.To.Reg = ppc64.REG_R0 return p } - -func ginsnopdefer(pp *objw.Progs) *obj.Prog { - // On PPC64 two nops are required in the defer case. - // - // (see gc/cgen.go, gc/plive.go -- copy of comment below) - // - // On ppc64, when compiling Go into position - // independent code on ppc64le we insert an - // instruction to reload the TOC pointer from the - // stack as well. See the long comment near - // jmpdefer in runtime/asm_ppc64.s for why. - // If the MOVD is not needed, insert a hardware NOP - // so that the same number of instructions are used - // on ppc64 in both shared and non-shared modes. - - ginsnop(pp) - if base.Ctxt.Flag_shared { - p := pp.Prog(ppc64.AMOVD) - p.From.Type = obj.TYPE_MEM - p.From.Offset = 24 - p.From.Reg = ppc64.REGSP - p.To.Type = obj.TYPE_REG - p.To.Reg = ppc64.REG_R2 - return p - } - return ginsnop(pp) -} |