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 7fdc466892ba4d6e0b1e3289c2043147960f64bc..8451990896d75ba9567d29b7e0265e961c56b2b0 100644 (file)
--- 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);