X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=gesamt_ppc%2Fcode.bfe;h=97dc26946b5bf724e4ac394240e6ea599645fe04;hb=7b8df533cad8c9a84e4da9b60f26b5109daef638;hp=000638201c2356002ff89b988ab1404fb61eaa74;hpb=61464f024c073b5aed5ed55e0eb29bd4bf10ae9e;p=uebersetzerbau-ss10.git

diff --git a/gesamt_ppc/code.bfe b/gesamt_ppc/code.bfe
index 0006382..97dc269 100644
--- a/gesamt_ppc/code.bfe
+++ b/gesamt_ppc/code.bfe
@@ -55,9 +55,9 @@ void gen_id_eno(struct treenode *bnode)
 	KIDKIDREG2PARM(1,0);
 	KIDKIDREG2PARM(1,1);
 	KIDREG2PARM(0);
-	move(KID_REG(0), BN_REG);
-	printf("\tsub %%%s, %%%s\n", KIDKID_REG(1,1), BN_REG);
-	printf("\tsub %%%s, %%%s\n", KIDKID_REG(1,0), BN_REG);
+
+	printf("\tsub %s,%s,%s\n", BN_REG, KID_REG(0), KIDKID_REG(1,1));
+	printf("\tsub %s,%s,%s\n", BN_REG, BN_REG, KIDKID_REG(1,0));
 }
 
 void gen_e_field(struct treenode *bnode, char *instr)
@@ -86,7 +86,7 @@ void gen_e_imm(struct treenode *bnode, char *instr)
 		if(KID_VAL(1) == 1 && strcmp(KID_REG(0), BN_REG) == 0) {
 			printf("\t#multiplikation mit 1 wegoptimiert\n");
 		} else {
-			printf("\tmullw $%d, %%%s, %%%s\n", KID_VAL(1), KID_REG(0), BN_REG);
+			printf("\tmulli %s,%s,%d\n", BN_REG, KID_REG(0), KID_VAL(1));
 		}
 	} else {
 		if(strcmp(instr, "sub") == 0 && KID_VAL(1) == 0) {
@@ -123,10 +123,10 @@ void gen_imm_eno(struct treenode *bnode, char *instr)
 		if(KID_VAL(0) == 1 && strcmp(KID_REG(1), BN_REG) == 0) {
 			printf("\t#multiplikation mit 1 wegoptimiert\n");
 		} else {
-			printf("\tmullw $%d, %%%s, %%%s\n", KID_VAL(0), KID_REG(1), BN_REG);
+			printf("\tmulli %s,%s,%d\n", BN_REG, KID_REG(1), KID_VAL(0));
 		}
 	} else { /* addq */
-		printf("\taddq $%d, %%%s\n", KID_VAL(0), BN_REG);
+		printf("\taddi %s,%s,%d\n", BN_REG, BN_REG, KID_VAL(0));
 	}
 }
 
@@ -179,22 +179,11 @@ void gen_eqless(struct treenode *bnode, char *op, short e0, short e1, short deep
 		/* um (32-29)=3 nach rechts shiften und das LSB anschauen */
 		printf("\trlwinm %s,%s,%i,31,31\n", BN_REG, BN_REG, strcmp(op,"l")==0 ? 30 : 30);
 	}
+	/* vergleich mit null und in CR0 speichern */
+	printf("\tcmpwi %s,0\n", BN_REG);
 #endif
 }
 
-void gen_lea(struct treenode *bnode, short e)
-{
-	printf("\t#gen_lea(e= %i)\n", e);
-	KIDREG2PARM(0);
-	if(e) {
-		KIDKIDREG2PARM(1,0);
-		printf("\tlea (%%%s,%%%s,%d), %%%s\n", KID_REG(0), KIDKID_REG(1,0), -1 * KIDKID_VAL(1,1), BN_REG);
-	} else {
-		KIDKIDREG2PARM(1,1);
-		printf("\tlea (%%%s,%%%s,%d), %%%s\n", KID_REG(0), KIDKID_REG(1,1), -1 * KIDKID_VAL(1,0), BN_REG);
-	}
-}
-
 void gen_subspecial(struct treenode *bnode, short e)
 {
 	/* tritt z.b. bei snafu_05.0 auf */
@@ -204,7 +193,7 @@ void gen_subspecial(struct treenode *bnode, short e)
 
 	if(e) {
 		if(KIDKID_VAL(1,0) != 0) {
-			printf("\tsubf $%d, %%%s\n", KIDKID_VAL(1,0), BN_REG);
+			printf("\tsubi %s,%s,%d\n", BN_REG, BN_REG, KIDKID_VAL(1,0));
 		}
 	} else {
 		printf("\tsubf %%%s, %%%s\n", KIDKID_REG(1,0), BN_REG);
@@ -215,12 +204,13 @@ void gen_subspecial(struct treenode *bnode, short e)
 
 void assign_var(struct treenode *bnode)
 {
+	printf("\t#assign_var\n");
 	KIDREG2PARM(1);
 	if (strcmp(bnode->kids[0]->kids[0]->name, bnode->kids[1]->name) != 0) {
 		KIDKIDREG2PARM(0,0);
-		printf("\tmov %%%s, %%%s\n", KIDKID_REG(0,0), KID_REG(1));
+		printf("\tmr %s,%s\n", KID_REG(1), KIDKID_REG(0,0));
 	} /*else:  x := x - 1 geht in einem befehl */
-	printf("\tsub $%d, %%%s\n", KIDKID_VAL(0,1), KID_REG(1));
+	printf("\tsubi %s,%s,%d\n", KID_REG(1), KID_REG(1), KIDKID_VAL(0,1));
 }
 
 void make_call(struct treenode *bnode)
@@ -228,38 +218,49 @@ void make_call(struct treenode *bnode)
 	int j;
 	printf("\t#params pushen\n");
 	for(j = 0; j < bnode->soffset; j++) {
-		printf("\txchg %%%s, %d(%%rsp)\n", param_reg(j), j*8);
+		printf("\tlwz 20,%d(1)\n", j*4);
+		printf("\tstw %s,%d(1)\n", param_reg(j), j*4);
+		printf("\tmr %s,20\n", param_reg(j));
 	}
 	printf("\t#vars pushen\n");
-	for(j = VARBEGIN; j > VARBEGIN - bnode->vars; j--) {
-		printf("\tpushq %%%s\n", param_reg(j));
+	for(j = bnode->soffset; j < bnode->soffset + bnode->vars; j++) {
+		printf("\tstw %s,%d(1)\n", param_reg(j), j*4);
 	}
 
 	/* TODO: schoener machen... */
-	if(strcmp(BN_REG, "rax")!=0) {
+	if(strcmp(BN_REG, "14")!=0) {
 		printf("\t#tmp register pushen\n");
-		printf("\tpushq %%rax\n");
-		if(strcmp(BN_REG, "r10")!=0) {
-			printf("\tpushq %%r10\n");
+		printf("\tstw 14,52(1)\n");
+		if(strcmp(BN_REG, "15")!=0) {
+			printf("\tstw 15,56(1)\n");
+			if(strcmp(BN_REG, "16")!=0) {
+				printf("\tstw 16,60(1)\n");
+			}
 		}
 	}
-	printf("\tcall %s\n", bnode->name);
-	if(strcmp(BN_REG, "rax")!=0) {
-		move("rax", BN_REG);
-		if(strcmp(BN_REG, "r10")!=0) {
-			printf("\tpopq %%r10\n");
+
+	printf("\tbl %s\n", bnode->name);
+	move("3", BN_REG);
+
+	if(strcmp(BN_REG, "14")!=0) {
+		printf("\t#tmp register poppen\n");
+		if(strcmp(BN_REG, "15")!=0) {
+			if(strcmp(BN_REG, "16")!=0) {
+				printf("\tlwz 16,60(1)\n");
+			}
+			printf("\tlwz 15,56(1)\n");
 		}
-		printf("\tpopq %%rax\n");
+		printf("\tlwz 14,52(1)\n");
 	}
 
-	/* vars poppen */
-	for(j = VARBEGIN+1 - bnode->vars; j < VARBEGIN+1; j++) {
-		printf("\tpopq %%%s\n", param_reg(j));
+	printf("\t#vars poppen\n");
+	for(j = bnode->soffset + bnode->vars - 1; j > bnode->soffset - 1; j--) {
+		printf("\tlwz %s,%d(1)\n", param_reg(j), j*4);
 	}
 
-	/* params poppen */
+	printf("\t#params poppen\n");
 	for(j = 0; j < bnode->soffset; j++) {
-		printf("\tpopq %%%s\n", param_reg(j));
+		printf("\tlwz %s,%d(1)\n", param_reg(j), j*4);
 	}
 }
 
@@ -270,16 +271,16 @@ void prep_arg(struct treenode *bnode, int moveit)
 		if((BN_REG == (char *) NULL) || (bnode->kids[1] != TREENULL && bnode->kids[1]->op == O_ID && bnode->kids[1]->kids[0] == TREENULL && bnode->kids[1]->kids[1] == TREENULL)) {
 			if(bnode->kids[1]->name != (char *) NULL && strcmp(bnode->kids[1]->name,"this")!=0) {
 				KIDREG2PARM(1);
-				printf("\tpushq %%%s\n", KID_REG(1));
+				printf("\tstw %s,%d(1)\n", KID_REG(1),bnode->soffset*4);
 			} else {
-				printf("\tpushq %%%s\n", param_reg(bnode->soffset));
+				printf("\tstw %s,%d(1)\n", param_reg(bnode->soffset), bnode->soffset*4);
 			}
 		} else {
-			printf("\tpushq %%%s\n", BN_REG);
+			printf("\tstw %s,%d(1)\n", BN_REG, bnode->soffset*4);
 		}
 	} else { /* just O_ID */
 		KIDREG2PARM(0);
-		printf("\tpushq %%%s\n", KID_REG(0));
+		printf("\tstw %s,%d(1)\n", KID_REG(0), bnode->soffset*4);
 	}
 }
 
@@ -291,10 +292,10 @@ void gen_sub_field(struct treenode *bnode)
 	if(!(strcmp(bnode->kids[0]->kids[0]->kids[0]->name, bnode->kids[1]->kids[0]->name) == 0 &&
 			bnode->kids[0]->kids[0]->soffset == bnode->kids[1]->soffset)) {
 		KIDKIDKIDREG2PARM(0,0,0);
-		printf("\tmov %d(%%%s), %%%s\n", bnode->kids[0]->kids[0]->soffset * 8, KIDKIDKID_REG(0,0,0), BN_REG);
-		printf("\tmov %%%s, %d(%%%s)\n", BN_REG, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0));
+		printf("\tmov %s,%d(%s)\n", BN_REG, bnode->kids[0]->kids[0]->soffset * 8, KIDKIDKID_REG(0,0,0));
+		printf("\tmov %s,%d(%s)\n", BN_REG, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0));
 	}
-	printf("\tsub $%d, %d(%%%s)\n", bnode->kids[0]->kids[1]->val, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0));
+	printf("\tsubi $%d, %d(%%%s)\n", bnode->kids[0]->kids[1]->val, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0));
 }
 
 %}
@@ -304,24 +305,23 @@ void gen_sub_field(struct treenode *bnode)
 
 %%
 
-begin: ret # 0 # printf("\n");
+begin: ret # 0 #
 begin: assign # 0 #
 begin: ifstat # 0 #
 begin: args # 0 #
 
 
-assign: O_ASSIGN(expr, O_ID) # 1 # KIDREG2PARM(1); printf("\tmovq %%%s, %%%s\n", BN_REG, KID_REG(1));
-assign: O_ASSIGN(imm, O_ID) # 1 # KIDREG2PARM(1); printf("\tmovq $%d, %%%s\n", KID_VAL(0), KID_REG(1));
-assign: O_ASSIGN(O_ID, O_ID) # 1 # KIDREG2PARM(1); KIDREG2PARM(0); printf("\tmovq %%%s, %%%s\n", KID_REG(0), KID_REG(1));
+assign: O_ASSIGN(expr, O_ID) # 1 # KIDREG2PARM(1); printf("\tmr %s,%s\n", KID_REG(1), BN_REG);
+assign: O_ASSIGN(imm, O_ID) # 1 # KIDREG2PARM(1); printf("\tli %s,%d\n", KID_REG(1), KID_VAL(0));
+assign: O_ASSIGN(O_ID, O_ID) # 1 # KIDREG2PARM(1); KIDREG2PARM(0); printf("\tmr %s,%s\n", KID_REG(1), KID_REG(0));
 
 assign: O_ASSIGN(O_SUB(O_ID,O_NUM), O_ID) # 1 # assign_var(bnode);
 
-assign: O_ASSIGN(expr, O_FIELD(expr)) # 1 # KIDKIDREG2PARM(1,0); printf("\tmovq %%%s, %d(%%%s)\n", BN_REG, bnode->kids[1]->soffset * 8, KIDKID_REG(1,0));
-assign: O_ASSIGN(O_ID, O_FIELD(expr)) # 1 # KIDREG2PARM(0); KIDKIDREG2PARM(1,0); printf("\tmovq %%%s, %d(%%%s)\n", KID_REG(0), bnode->kids[1]->soffset * 8, KIDKID_REG(1,0));
-assign: O_ASSIGN(O_SUB(O_FIELD(O_ID), imm), O_FIELD(O_ID)) # 1 # gen_sub_field(bnode);
+assign: O_ASSIGN(expr, O_FIELD(expr)) # 1 # KIDKIDREG2PARM(1,0); printf("\tstw %s,%d(%s)\n", BN_REG, bnode->kids[1]->soffset * 4, KIDKID_REG(1,0));
+assign: O_ASSIGN(O_ID, O_FIELD(expr)) # 1 # KIDREG2PARM(0); KIDKIDREG2PARM(1,0); printf("\tstw %s,%d(%s)\n", KID_REG(0), bnode->kids[1]->soffset * 4, KIDKID_REG(1,0));
 
 
-ifstat: O_IF(O_ID) # 1 # /* fuer faelle wie "if bla then" noetig */ KIDREG2PARM(0); printf("\ttest $-1, %%%s\n", KID_REG(0));
+ifstat: O_IF(O_ID) # 1 # /* fuer faelle wie "if bla then" noetig */ KIDREG2PARM(0); printf("\tcmpwi %s,0\n", KID_REG(0));
 ifstat: O_IF(expr) # 2 # /* iburg beschummeln :/ */ printf("\ttest $-1, %%rax\n");
 ifstat: O_IF(O_BOOL(expr)) # 1 # /* dann braucht man kein test */
 
@@ -351,22 +351,10 @@ expr: O_SUB(expr,O_SUB(imm,expr))  # 2 # gen_subspecial(bnode, 1);
 
 expr: O_SUB(expr, O_ADD(O_ID,expr))    # 1 # gen_id_eno(bnode);
 
-expr: O_SUB(expr,O_MUL(O_MONE,expr))   # 1 # gen_lea(bnode,0);
-expr: O_SUB(expr,O_MUL(O_MTWO,expr))   # 1 # gen_lea(bnode,0);
-expr: O_SUB(expr,O_MUL(O_MFOUR,expr))  # 1 # gen_lea(bnode,0);
-expr: O_SUB(expr,O_MUL(O_MEIGHT,expr)) # 1 # gen_lea(bnode,0);
-
-expr: O_SUB(expr,O_MUL(expr,O_MONE))   # 1 # gen_lea(bnode,1);
-expr: O_SUB(expr,O_MUL(expr,O_MTWO))   # 1 # gen_lea(bnode,1);
-expr: O_SUB(expr,O_MUL(expr,O_MFOUR))  # 1 # gen_lea(bnode,1);
-expr: O_SUB(expr,O_MUL(expr,O_MEIGHT)) # 1 # gen_lea(bnode,1);
-
-
-expr: O_ADD(expr,expr)   # 1 # gen_e_eno(bnode, "addq");
-expr: O_ADD(expr,imm)    # 2 # gen_e_imm(bnode, "addq");
-expr: O_ADD(imm,expr)    # 1 # gen_imm_eno(bnode, "addq");
 
-expr: O_ADD(expr,O_FIELD(expr)) # 2 # gen_e_field(bnode, "addq");
+expr: O_ADD(expr,expr)   # 1 # gen_e_eno(bnode, "add");
+expr: O_ADD(expr,imm)    # 2 # gen_e_imm(bnode, "add");
+expr: O_ADD(imm,expr)    # 1 # gen_imm_eno(bnode, "add");
 
 
 expr: O_MUL(expr,expr)   # 1 # gen_e_eno(bnode, "mullw");
@@ -374,7 +362,6 @@ expr: O_MUL(expr,imm)    # 1 # gen_e_imm(bnode, "mullw");
 expr: O_MUL(imm,expr)    # 1 # gen_imm_eno(bnode, "mullw");
 
 expr: O_MUL(expr,O_FIELD(expr)) # 1 # gen_e_field(bnode, "mullw");
-expr: O_MUL(O_FIELD(expr),imm)  # 1 # gen_field_imm(bnode);
 
 expr: O_OR(expr,expr)          # 1 # gen_e_eno(bnode, "or");
 expr: O_OR(expr,imm)           # 2 # gen_e_imm(bnode, "or");