#include "tree.h"
#include "chelper.h"
+void gen_e_eno(struct treenode *bnode, char *instr)
+{
+ KIDREG2PARM(1);
+ printf("\t%s %%%s, %%%s\n", instr, KID_REG(1), KID_REG(0));
+}
+
+void gen_e_imm(struct treenode *bnode, char *instr)
+{
+ printf("\t%s $%li, %%%s\n", instr, KID_VAL(1), KID_REG(0));
+ move(KID_REG(0), BN_REG);
+}
+
+void gen_imm_eno(struct treenode *bnode, char *instr)
+{
+ moveimm(KID_VAL(0), BN_REG);
+ KIDREG2PARM(1);
+ printf("\tsubq %%%s, %%%s\n", KID_REG(1), BN_REG);
+}
+
%}
%start begin
expr: O_ID # 1 # if(bnode->param_index > -1) move(param_reg(bnode->param_index), BN_REG);
expr: imm # 1 # moveimm(BN_VAL, BN_REG);
-expr: O_SUB(expr,exprno) # 1 # KIDREG2PARM(1); printf("\tsubq %%%s, %%%s\n", KID_REG(1), KID_REG(0));
-expr: O_SUB(expr,imm) # 2 # printf("\tsubq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG);
-expr: O_SUB(imm,exprno) # 3 # moveimm(KID_VAL(0), BN_REG); KIDREG2PARM(1); printf("\tsubq %%%s, %%%s\n", KID_REG(1), BN_REG);
+expr: O_SUB(expr,exprno) # 1 # gen_e_eno(bnode, "subq");
+expr: O_SUB(expr,imm) # 2 # gen_e_imm(bnode, "subq");
+expr: O_SUB(imm,exprno) # 3 # gen_imm_eno(bnode, "subq");
-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_ADD(expr,exprno) # 1 # gen_e_eno(bnode, "addq");
+expr: O_ADD(imm,expr) # 2 # gen_e_imm(bnode, "addq");
-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);
+expr: O_MUL(expr,exprno) # 1 # gen_e_eno(bnode, "imulq");
+expr: O_MUL(expr,imm) # 2 # gen_e_imm(bnode, "imulq");
exprno: O_ID # 0 # /* brauchen wir nicht 'zwischenlagern', weil nur gelesen wird */
exprno: expr