From 5f61ae4fe282ab07b5a81722497893c767bdb058 Mon Sep 17 00:00:00 2001
From: Bernhard Urban <lewurm@gmail.com>
Date: Tue, 8 Jun 2010 04:03:32 +0200
Subject: [PATCH] ppc: ein paar testfaelle mehr (bis einschliesslich
 codea_abgabe_ae.0)

---
 gesamt_ppc/chelper.c |  5 ++---
 gesamt_ppc/code.bfe  | 17 ++++++++++++++++-
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/gesamt_ppc/chelper.c b/gesamt_ppc/chelper.c
index ce1ab67..84ef5ba 100644
--- a/gesamt_ppc/chelper.c
+++ b/gesamt_ppc/chelper.c
@@ -49,9 +49,8 @@ void move(char *src, char *dst)
 
 void moveimm(long imm, char *dst)
 {
-	char buf[100];
-	sprintf(buf, "$%d", imm);
-	printf("\tmovq %s, %%%s\n", buf, dst);
+	/* TODO: 32 bits... */
+	printf("\taddi %s,0,%d\n", dst, imm);
 }
 
 char *next_reg(char *s, int params)
diff --git a/gesamt_ppc/code.bfe b/gesamt_ppc/code.bfe
index cf14116..d67847a 100644
--- a/gesamt_ppc/code.bfe
+++ b/gesamt_ppc/code.bfe
@@ -93,8 +93,13 @@ void gen_e_imm(struct treenode *bnode, char *instr)
 			printf("\t#subtraktion mit 0 wegoptimiert\n");
 			move(KID_REG(0), BN_REG);
 		} else {
+#if 0
 			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));
+#endif
 		}
 	}
 }
@@ -128,7 +133,8 @@ void gen_imm_eno(struct treenode *bnode, char *instr)
 
 void gen_eqless(struct treenode *bnode, char *op, short e0, short e1, short deep)
 {
-	printf("\t#gen_eqless_%i%i @ %i\n", e0, e1, deep);
+	printf("\t#gen_eqless_%i%i @ %i (op: %s)\n", e0, e1, deep, op);
+#if 0
 	if(e0) { KIDREG2PARM(0); } else { KIDREG2ID(0); }
 	if(e1) { KIDREG2PARM(1); } else { KIDREG2ID(1); }
 
@@ -154,6 +160,15 @@ 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(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));
+	}
+#endif
 }
 
 void gen_lea(struct treenode *bnode, short e)
-- 
2.25.1