From: Bernhard Urban <lewurm@gmail.com>
Date: Tue, 8 Jun 2010 11:00:00 +0000 (+0200)
Subject: ppc: sub statt subf
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=uebersetzerbau-ss10.git;a=commitdiff_plain;h=4a2b9972dad22d5e44ad97314b280f8aaf80cc8c

ppc: sub statt subf
---

diff --git a/gesamt_ppc/code.bfe b/gesamt_ppc/code.bfe
index d67847a..7fdc466 100644
--- a/gesamt_ppc/code.bfe
+++ b/gesamt_ppc/code.bfe
@@ -45,7 +45,7 @@ void gen_e_eno(struct treenode *bnode, char *instr)
 #else
 	KIDREG2PARM(0);
 	KIDREG2PARM(1);
-	printf("\t%s %s,%s,%s\n", instr, BN_REG, KID_REG(1), KID_REG(0));
+	printf("\t%s %s,%s,%s\n", instr, BN_REG, KID_REG(0), KID_REG(1));
 #endif
 }
 
@@ -56,8 +56,8 @@ void gen_id_eno(struct treenode *bnode)
 	KIDKIDREG2PARM(1,1);
 	KIDREG2PARM(0);
 	move(KID_REG(0), BN_REG);
-	printf("\tsubf %%%s, %%%s\n", KIDKID_REG(1,1), BN_REG);
-	printf("\tsubf %%%s, %%%s\n", KIDKID_REG(1,0), BN_REG);
+	printf("\tsub %%%s, %%%s\n", KIDKID_REG(1,1), BN_REG);
+	printf("\tsub %%%s, %%%s\n", KIDKID_REG(1,0), BN_REG);
 }
 
 void gen_e_field(struct treenode *bnode, char *instr)
@@ -89,7 +89,7 @@ void gen_e_imm(struct treenode *bnode, char *instr)
 			printf("\timulq $%d, %%%s, %%%s\n", KID_VAL(1), KID_REG(0), BN_REG);
 		}
 	} else {
-		if(strcmp(instr, "subf") == 0 && KID_VAL(1) == 0) {
+		if(strcmp(instr, "sub") == 0 && KID_VAL(1) == 0) {
 			printf("\t#subtraktion mit 0 wegoptimiert\n");
 			move(KID_REG(0), BN_REG);
 		} else {
@@ -97,8 +97,7 @@ void gen_e_imm(struct treenode *bnode, char *instr)
 			move(KID_REG(0), BN_REG);
 			printf("\t%s $%d, %%%s\n", instr, KID_VAL(1), BN_REG);
 #else
-			/* subf only */
-			printf("\taddi %s,%s,%d\n", BN_REG, KID_REG(0), -1*KID_VAL(1));
+			printf("\t%si %s,%s,%d\n", instr, BN_REG, KID_REG(0), KID_VAL(1));
 #endif
 		}
 	}
@@ -331,9 +330,9 @@ expr: O_ARG(expr,expr) # 1 # prep_arg(bnode, 1);
 expr: O_ARG(O_ID,expr) # 1 # prep_arg(bnode, 0);
 expr: O_NOTHING # 0 #
 
-expr: O_SUB(expr,expr)          # 2 # gen_e_eno(bnode, "subf");
-expr: O_SUB(expr,O_FIELD(expr)) # 2 # gen_e_field(bnode, "subf");
-expr: O_SUB(expr,imm)           # 1 # gen_e_imm(bnode, "subf");
+expr: O_SUB(expr,expr)          # 2 # gen_e_eno(bnode, "sub");
+expr: O_SUB(expr,O_FIELD(expr)) # 2 # gen_e_field(bnode, "sub");
+expr: O_SUB(expr,imm)           # 1 # gen_e_imm(bnode, "sub");
 
 expr: O_SUB(expr,O_SUB(O_ID,expr)) # 2 # gen_subspecial(bnode, 0);
 expr: O_SUB(expr,O_SUB(imm,expr))  # 2 # gen_subspecial(bnode, 1);