diff options
| author | Russ Cox <rsc@golang.org> | 2014-08-12 19:53:11 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-08-12 19:53:11 -0400 |
| commit | c36198b3f166e5c266a690ae07e44b9c5ff5496c (patch) | |
| tree | 2a8e8e46c7ce327c6f1e9061bf309b7e92e06679 /src/cmd/6g | |
| parent | 56da68842c2bbf9eb49410a4b90a809d6b738026 (diff) | |
| download | go-c36198b3f166e5c266a690ae07e44b9c5ff5496c.tar.gz | |
cmd/6c, cmd/6g: avoid address-as-constant in amd64 instructions
This allows implementing address-of-global
as a pc-relative address instead of as a
32-bit integer constant.
LGTM=rminnich, iant
R=golang-codereviews, rminnich, iant
CC=golang-codereviews
https://codereview.appspot.com/128070045
Diffstat (limited to 'src/cmd/6g')
| -rw-r--r-- | src/cmd/6g/cgen.c | 7 | ||||
| -rw-r--r-- | src/cmd/6g/gsubr.c | 5 |
2 files changed, 2 insertions, 10 deletions
diff --git a/src/cmd/6g/cgen.c b/src/cmd/6g/cgen.c index 4dd505b08..bff235062 100644 --- a/src/cmd/6g/cgen.c +++ b/src/cmd/6g/cgen.c @@ -752,12 +752,7 @@ agenr(Node *n, Node *a, Node *res) regalloc(&n3, types[tptr], res); p1 = gins(ALEAQ, N, &n3); datastring(nl->val.u.sval->s, nl->val.u.sval->len, &p1->from); - if(flag_largemodel) { - gins(AADDQ, &n2, &n3); - } else { - p1->from.scale = 1; - p1->from.index = n2.val.u.reg; - } + gins(AADDQ, &n2, &n3); goto indexdone; } diff --git a/src/cmd/6g/gsubr.c b/src/cmd/6g/gsubr.c index f3464b7e1..4ac2e9207 100644 --- a/src/cmd/6g/gsubr.c +++ b/src/cmd/6g/gsubr.c @@ -598,11 +598,8 @@ ismem(Node *n) case ONAME: case OPARAM: case OCLOSUREVAR: - return 1; case OADDR: - if(flag_largemodel) - return 1; - break; + return 1; } return 0; } |