From: Bernhard Urban <lewurm@gmail.com>
Date: Tue, 8 Jun 2010 12:20:50 +0000 (+0200)
Subject: ppc: codea_abgabe_a{i,h} gehen jetzt auch, bin mir dabei aber ned ganz sicher...
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=uebersetzerbau-ss10.git;a=commitdiff_plain;h=393b53c6f2065d6cd834327447b2a6aacfccf7bd

ppc: codea_abgabe_a{i,h} gehen jetzt auch, bin mir dabei aber ned ganz sicher...
---

diff --git a/gesamt_ppc/code.bfe b/gesamt_ppc/code.bfe
index 7fdc466..8451990 100644
--- a/gesamt_ppc/code.bfe
+++ b/gesamt_ppc/code.bfe
@@ -73,7 +73,7 @@ void gen_field_imm(struct treenode *bnode)
 	printf("\t#gen_field_imm\n");
 	KIDKIDREG2PARM(0,0);
 	KIDREG2ID(1);
-	printf("\timulq $%d, %d(%%%s), %%%s\n", KID_VAL(1), bnode->kids[0]->soffset * 8, KIDKID_REG(0, 0), BN_REG);
+	printf("\tmullw $%d, %d(%%%s), %%%s\n", KID_VAL(1), bnode->kids[0]->soffset * 8, KIDKID_REG(0, 0), BN_REG);
 }
 
 void gen_e_imm(struct treenode *bnode, char *instr)
@@ -82,11 +82,11 @@ void gen_e_imm(struct treenode *bnode, char *instr)
 	KIDREG2PARM(0);
 	KIDREG2ID(1);
 	/* man kann sich ein move der konstante bei der multiplikation ersparen */
-	if(strcmp(instr, "imulq") == 0) {
+	if(strcmp(instr, "mullw") == 0) {
 		if(KID_VAL(1) == 1 && strcmp(KID_REG(0), BN_REG) == 0) {
 			printf("\t#multiplikation mit 1 wegoptimiert\n");
 		} else {
-			printf("\timulq $%d, %%%s, %%%s\n", KID_VAL(1), KID_REG(0), BN_REG);
+			printf("\tmullw $%d, %%%s, %%%s\n", KID_VAL(1), KID_REG(0), BN_REG);
 		}
 	} else {
 		if(strcmp(instr, "sub") == 0 && KID_VAL(1) == 0) {
@@ -119,11 +119,11 @@ void gen_imm_eno(struct treenode *bnode, char *instr)
 	KIDREG2ID(0);
 	KIDREG2PARM(1);
 	/* man kann sich ein move der konstante bei der multiplikation ersparen */
-	if(strcmp(instr, "imulq") == 0) {
+	if(strcmp(instr, "mullw") == 0) {
 		if(KID_VAL(0) == 1 && strcmp(KID_REG(1), BN_REG) == 0) {
 			printf("\t#multiplikation mit 1 wegoptimiert\n");
 		} else {
-			printf("\timulq $%d, %%%s, %%%s\n", KID_VAL(0), KID_REG(1), BN_REG);
+			printf("\tmullw $%d, %%%s, %%%s\n", KID_VAL(0), KID_REG(1), BN_REG);
 		}
 	} else { /* addq */
 		printf("\taddq $%d, %%%s\n", KID_VAL(0), BN_REG);
@@ -160,12 +160,19 @@ void gen_eqless(struct treenode *bnode, char *op, short e0, short e1, short deep
 	printf("\tset%s %%%s\n", op, reg_64to8l(BN_REG));
 	printf("\tand $1, %%%s\n", BN_REG);
 #else
-	if(e0) { KIDREG2PARM(0); } else { KIDREG2ID(0); }
+	if(e0) { KIDREG2PARM(0); } else { moveimm(KID_VAL(0), BN_REG); }
 	if(e1) { KIDREG2PARM(1); } else { KIDREG2ID(1); }
 	if(strcmp(op,"e")==0 && KID_VAL(1) == 0) {
 		/* not */
 		printf("\tcntlzw %s,%s\n", KID_REG(0), KID_REG(0));
 		printf("\tsrwi %s,%s,5\n", BN_REG, KID_REG(0));
+	} else if(strcmp(op, "l")==0 || strcmp(op, "g")==0) {
+		/* less */
+		printf("\tcmpw 7,%s,%s\n", KID_REG(1), KID_REG(0));
+		printf("\tmfcr %s\n", BN_REG);
+		/* EQ, GT, LT */
+		/* 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);
 	}
 #endif
 }
@@ -357,16 +364,16 @@ 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_MUL(expr,expr)   # 1 # gen_e_eno(bnode, "imulq");
-expr: O_MUL(expr,imm)    # 1 # gen_e_imm(bnode, "imulq");
-expr: O_MUL(imm,expr)    # 1 # gen_imm_eno(bnode, "imulq");
+expr: O_MUL(expr,expr)   # 1 # gen_e_eno(bnode, "mullw");
+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, "imulq");
+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, "orq");
-expr: O_OR(expr,imm)           # 2 # gen_e_imm(bnode, "orq");
-expr: O_OR(expr,O_FIELD(expr)) # 2 # gen_e_field(bnode, "orq");
+expr: O_OR(expr,expr)          # 1 # gen_e_eno(bnode, "or");
+expr: O_OR(expr,imm)           # 2 # gen_e_imm(bnode, "or");
+expr: O_OR(expr,O_FIELD(expr)) # 2 # gen_e_field(bnode, "or");
 
 
 expr: O_LESS(expr,expr)          # 3 # gen_eqless(bnode, "l", 1, 1, 0);