expr: O_ADD(expr,exprno) # 1 # KIDREG2PARM(1); printf("\taddq %%%s, %%%s\n", KID_REG(1), KID_REG(0));
expr: O_ADD(imm,expr) # 1 # printf("\taddq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG);
+expr: O_MUL(expr,exprno) # 1 # KIDREG2PARM(1); printf("\timulq %%%s, %%%s\n", KID_REG(1), KID_REG(0));
+expr: O_MUL(expr,imm) # 2 # printf("\timulq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG);
+expr: O_MUL(imm,exprno) # 3 # moveimm(KID_VAL(0), BN_REG); KIDREG2PARM(1); printf("\timulq %%%s, %%%s\n", KID_REG(1), BN_REG);
+
exprno: O_ID # 0 # /* brauchen wir nicht 'zwischenlagern', weil nur gelesen wird */
exprno: expr
imm: O_ADD(imm,imm) # 0 # BN_VAL = KID_VAL(0)+KID_VAL(1);
imm: O_SUB(imm,imm) # 0 # BN_VAL = KID_VAL(0)-KID_VAL(1);
+imm: O_MUL(imm,imm) # 0 # BN_VAL = KID_VAL(0)*KID_VAL(1);
imm: O_NUM # 0 #
%%
@attributes { struct symbol *f; } FeldID Structdef Program
@attributes { struct symbol *s; } Methoddef
@attributes { struct symbol *s; int gparamges; } Statseq Exprs
-@attributes { struct symbol *s; int gparamges; struct treenode *node; short imm; int exprcount; } Expr Minusterm Term
-@attributes { struct symbol *s; int gparamges; struct treenode *node; int exprcount; } Orterm Multerm
+@attributes { struct symbol *s; int gparamges; struct treenode *node; short imm; int exprcount; } Expr Minusterm Term Multerm
+@attributes { struct symbol *s; int gparamges; struct treenode *node; int exprcount; } Orterm
@attributes { struct symbol *s; int gparamges; struct treenode *node; } Lexpr Feld
@attributes { struct symbol *sin; int gparamges; struct symbol *sout; struct treenode *node; } Statement
| Term Multerm
@{
- @i @Expr.node@ = TREENULL;
@i @Expr.exprcount@ = @Term.exprcount@ + @Multerm.exprcount@; fprintf(stderr, "(Expr)- Term Multerm\n");
+ @i @Expr.node@ = new_node(O_MUL, @Term.node@, @Multerm.node@, @Expr.exprcount@);
+ @i @Expr.imm@ = @Term.imm@ && @Multerm.imm@;
+
+ @reg {
+ /* TODO */
+ @Term.node@->reg = @Expr.node@->reg;
+ @Term.node@->skip = 0;
+ @Multerm.node@->reg = next_reg(@Term.node@->reg, @Expr.node@->skip, @Expr.gparamges@);
+ }
@}
| Term Orterm
'*' Term Multerm
@{
@i @Multerm.0.exprcount@ = @Term.exprcount@ + @Multerm.1.exprcount@; fprintf(stderr, "(Multerm)- - Term Multerm\n");
- /* TODO */
- /* TODO: imm */
- @i @Multerm.node@ = TREENULL;
+ @i @Multerm.node@ = new_node(O_MUL, @Multerm.1.node@, @Term.node@, @Multerm.0.exprcount@);
+ @i @Multerm.imm@ = @Term.imm@ && @Multerm.1.imm@;
+
+ @reg {
+ @Multerm.1.node@->reg = @Multerm.node@->reg;
+ @Term.node@->reg = next_reg(@Multerm.1.node@->reg, @Multerm.node@->skip, @Multerm.gparamges@);
+ }
@}
| '*' Term
@{
@i @Multerm.exprcount@ = @Term.exprcount@; fprintf(stderr, "(Multerm)- - Term\n");
- /* TODO */
- @i @Multerm.node@ = TREENULL;
+ @reg @Term.node@->reg = @Multerm.node@->reg;
@}
;