diff options
Diffstat (limited to 'expr.c')
| -rw-r--r-- | expr.c | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -867,7 +867,7 @@ mkassignexpr(struct expr *l, struct expr *r) struct expr * assignexpr(struct scope *s) { - struct expr *e, *l, *r, *tmp; + struct expr *e, *l, *r, *tmp, *bit; enum tokenkind op; l = condexpr(s); @@ -895,11 +895,21 @@ assignexpr(struct scope *s) if (!op) return mkassignexpr(l, r); /* rewrite `E1 OP= E2` as `T = &E1, *T = *T OP E2`, where T is a temporary slot */ + if (l->kind == EXPRBITFIELD) { + bit = l; + l = l->bitfield.base; + } else { + bit = NULL; + } tmp = mkexpr(EXPRTEMP, mkpointertype(l->type, l->qual)); tmp->lvalue = true; tmp->temp = NULL; e = mkassignexpr(tmp, mkunaryexpr(TBAND, l)); l = mkunaryexpr(TMUL, tmp); + if (bit) { + bit->bitfield.base = l; + l = bit; + } r = mkbinaryexpr(&tok.loc, op, l, r); e->next = mkassignexpr(l, r); l = mkexpr(EXPRCOMMA, l->type); |