diff options
| author | Russ Cox <rsc@golang.org> | 2014-08-18 22:24:15 -0400 |
|---|---|---|
| committer | Shenghou Ma <minux@golang.org> | 2014-08-18 22:24:15 -0400 |
| commit | 04d5796b2988a20175b8cb03eb7080cf4cca2179 (patch) | |
| tree | 46db3cc7837dfd71a20e3a94b9ababaf3fd8478a /src/liblink | |
| parent | d0be55a66242cd8bea2f40b7ceca4b3651d0b720 (diff) | |
| download | go-04d5796b2988a20175b8cb03eb7080cf4cca2179.tar.xz | |
[dev.power64] liblink: recognize add instruction as adjusting SP
LGTM=minux
R=minux
CC=golang-codereviews
https://golang.org/cl/128360043
Diffstat (limited to 'src/liblink')
| -rw-r--r-- | src/liblink/list9.c | 2 | ||||
| -rw-r--r-- | src/liblink/obj9.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/liblink/list9.c b/src/liblink/list9.c index 9700a16849..9e205b7a9e 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 28793676cc..d0c14dfb57 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; } } |