From ebe8a09fb603d9510cb982a6c11a3e1638f7f8fb Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Mon, 18 Aug 2014 22:24:15 -0400 Subject: [dev.power64] liblink: recognize add instruction as adjusting SP LGTM=minux R=minux CC=golang-codereviews https://codereview.appspot.com/128360043 Committer: Shenghou Ma --- src/liblink/list9.c | 2 ++ src/liblink/obj9.c | 4 ++++ 2 files changed, 6 insertions(+) (limited to 'src/liblink') diff --git a/src/liblink/list9.c b/src/liblink/list9.c index 9700a1684..9e205b7a9 100644 --- a/src/liblink/list9.c +++ b/src/liblink/list9.c @@ -125,6 +125,8 @@ Pconv(Fmt *fp) s += sprint(s, ",%D", &p->from3); sprint(s, ",%D", &p->to); } + if(p->spadj != 0) + return fmtprint(fp, "%s # spadj=%d", str, p->spadj); } return fmtstrcpy(fp, str); } diff --git a/src/liblink/obj9.c b/src/liblink/obj9.c index 28793676c..d0c14dfb5 100644 --- a/src/liblink/obj9.c +++ b/src/liblink/obj9.c @@ -617,6 +617,10 @@ addstacksplit(Link *ctxt, LSym *cursym) q->link = q1; break; + case AADD: + if(p->to.type == D_REG && p->to.reg == REGSP && p->from.type == D_CONST) + p->spadj = -p->from.offset; + break; } } -- cgit v1.2.1