codea: mehr generisch

[uebersetzerbau-ss10.git] / codea / code.bfe

diff --git a/codea/code.bfe b/codea/code.bfe
index 52803e40b34493631b2ed5a62c6f9076f86682df..cd30f851abd7cac7c8d557ff4a339d34eb1407b2 100644 (file)
--- a/codea/code.bfe
+++ b/codea/code.bfe
@@ -13,6 +13,25 @@
 #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
@@ -26,12 +45,15 @@ ret: O_RET(expr) # 2 # move(BN_REG, "rax"); func_footer();
 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 # gen_e_eno(bnode, "addq");
+expr: O_ADD(imm,expr) # 2 # gen_e_imm(bnode, "addq");
 
-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 # 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
@@ -39,6 +61,7 @@ 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 #
 
 %%