From: Bernhard Urban <lewurm@gmail.com>
Date: Mon, 17 May 2010 21:55:05 +0000 (+0200)
Subject: codea: weitere feldoptimierungen. TODO: mul und add
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=uebersetzerbau-ss10.git;a=commitdiff_plain;h=b871b3e6a4d6fc4f1e7f830bace6f6c654ec1b0f

codea: weitere feldoptimierungen. TODO: mul und add
---

diff --git a/codea/code.bfe b/codea/code.bfe
index c184545..b00bdfe 100644
--- a/codea/code.bfe
+++ b/codea/code.bfe
@@ -77,7 +77,12 @@ void gen_eqless(struct treenode *bnode, char *op, short e0, short e1, short deep
 	if(e1) { KIDREG2PARM(1); } else { KIDREG2ID(1); }
 
 	if(e0 && e1) {
-		printf("\tcmp %%%s, %%%s\n", KID_REG(1), KID_REG(0));
+		if(deep) {
+			KIDKIDREG2PARM(1,0);
+			printf("\tcmp %d(%%%s), %%%s\n", bnode->kids[1]->soffset *8, KIDKID_REG(1,0), KID_REG(0));
+		} else {
+			printf("\tcmp %%%s, %%%s\n", KID_REG(1), KID_REG(0));
+		}
 	} else if(e0 && !e1) {
 		if (deep == 0) {
 			printf("\tcmp $%d, %%%s\n", KID_VAL(1), KID_REG(0));
@@ -127,6 +132,8 @@ expr: imm # 1 # moveimm(BN_VAL, BN_REG);
 expr: O_SUB(expr,expr) # 1 # gen_e_eno(bnode, "subq");
 expr: O_SUB(expr,imm)    # 2 # gen_e_imm(bnode, "subq");
 expr: O_SUB(imm,expr)  # 2 # gen_imm_eno(bnode, "subq");
+expr: O_SUB(expr,O_FIELD(expr)) # 2 # gen_e_field(bnode, "subq");
+
 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);
@@ -150,10 +157,12 @@ 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_LESS(expr,expr) # 3 # gen_eqless(bnode, "l", 1, 1, 0);
+expr: O_LESS(expr,O_FIELD(expr)) # 3 # gen_eqless(bnode, "l", 1, 1, 1);
 expr: O_LESS(expr,imm)  # 3 # gen_eqless(bnode, "l", 1, 0, 0);
 expr: O_LESS(imm,expr)  # 3 # gen_eqless(bnode, "g", 0, 1, 0);
 
 expr: O_EQ(expr,expr) # 3 # gen_eqless(bnode, "e", 1, 1, 0);
+expr: O_EQ(expr,O_FIELD(expr)) # 3 # gen_eqless(bnode, "e", 1, 1, 1);
 expr: O_EQ(expr,imm)    # 3 # gen_eqless(bnode, "e", 1, 0, 0);
 expr: O_EQ(imm,expr)    # 3 # gen_eqless(bnode, "e", 0, 1, 0);
 expr: O_EQ(expr,O_NULL) # 3 # gen_eqless(bnode, "e", 1, 0, 0);