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| author | Michael Stapelberg <stapelberg@debian.org> | 2013-03-04 21:27:36 +0100 |
|---|---|---|
| committer | Michael Stapelberg <michael@stapelberg.de> | 2013-03-04 21:27:36 +0100 |
| commit | 04b08da9af0c450d645ab7389d1467308cfc2db8 (patch) | |
| tree | db247935fa4f2f94408edc3acd5d0d4f997aa0d8 /src/cmd/6c/cgen.c | |
| parent | 917c5fb8ec48e22459d77e3849e6d388f93d3260 (diff) | |
| download | golang-upstream/1.1_hg20130304.tar.gz | |
Imported Upstream version 1.1~hg20130304upstream/1.1_hg20130304
Diffstat (limited to 'src/cmd/6c/cgen.c')
| -rw-r--r-- | src/cmd/6c/cgen.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/cmd/6c/cgen.c b/src/cmd/6c/cgen.c index 71822586c..95400c445 100644 --- a/src/cmd/6c/cgen.c +++ b/src/cmd/6c/cgen.c @@ -265,6 +265,18 @@ cgen(Node *n, Node *nn) break; } } + if(n->op == OOR && l->op == OASHL && r->op == OLSHR + && l->right->op == OCONST && r->right->op == OCONST + && l->left->op == ONAME && r->left->op == ONAME + && l->left->sym == r->left->sym + && l->right->vconst + r->right->vconst == 8 * l->left->type->width) { + regalloc(&nod, l->left, nn); + cgen(l->left, &nod); + gopcode(OROTL, n->type, l->right, &nod); + gmove(&nod, nn); + regfree(&nod); + break; + } if(n->op == OADD && l->op == OASHL && l->right->op == OCONST && (r->op != OCONST || r->vconst < -128 || r->vconst > 127)) { c = l->right->vconst; @@ -1672,7 +1684,7 @@ copy: regsalloc(&nod2, nn); nn->type = t; - gins(AMOVL, &nod1, &nod2); + gins(AMOVQ, &nod1, &nod2); regfree(&nod1); nod2.type = typ(TIND, t); |