From 9fa7e43000403e78ecad7f3cd8c33b719958cf64 Mon Sep 17 00:00:00 2001
From: Bernhard Urban <lewurm@gmail.com>
Date: Wed, 5 May 2010 14:43:24 +0200
Subject: [PATCH] codea: multiplikation

---
 codea/code.bfe |  5 +++++
 codea/parser.y | 27 +++++++++++++++++++--------
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/codea/code.bfe b/codea/code.bfe
index 52803e4..03e2111 100644
--- a/codea/code.bfe
+++ b/codea/code.bfe
@@ -33,12 +33,17 @@ expr: O_SUB(imm,exprno) # 3 # moveimm(KID_VAL(0), BN_REG); KIDREG2PARM(1); print
 expr: O_ADD(expr,exprno) # 1 # KIDREG2PARM(1); printf("\taddq %%%s, %%%s\n", KID_REG(1), KID_REG(0));
 expr: O_ADD(imm,expr) # 1 # printf("\taddq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG);
 
+expr: O_MUL(expr,exprno) # 1 # KIDREG2PARM(1); printf("\timulq %%%s, %%%s\n", KID_REG(1), KID_REG(0));
+expr: O_MUL(expr,imm) # 2 # printf("\timulq $%li, %%%s\n", KID_VAL(1), KID_REG(0)); move(KID_REG(0), BN_REG);
+expr: O_MUL(imm,exprno) # 3 # moveimm(KID_VAL(0), BN_REG); KIDREG2PARM(1); printf("\timulq %%%s, %%%s\n", KID_REG(1), BN_REG);
+
 exprno: O_ID # 0 # /* brauchen wir nicht 'zwischenlagern', weil nur gelesen wird */
 exprno: expr
 
 
 imm: O_ADD(imm,imm) # 0 # BN_VAL = KID_VAL(0)+KID_VAL(1);
 imm: O_SUB(imm,imm) # 0 # BN_VAL = KID_VAL(0)-KID_VAL(1);
+imm: O_MUL(imm,imm) # 0 # BN_VAL = KID_VAL(0)*KID_VAL(1);
 imm: O_NUM # 0 #
 
 %%
diff --git a/codea/parser.y b/codea/parser.y
index 0c58a77..4e460e0 100644
--- a/codea/parser.y
+++ b/codea/parser.y
@@ -43,8 +43,8 @@
 @attributes { struct symbol *f; } FeldID Structdef Program
 @attributes { struct symbol *s; } Methoddef
 @attributes { struct symbol *s; int gparamges; } Statseq Exprs
-@attributes { struct symbol *s; int gparamges; struct treenode *node; short imm; int exprcount; } Expr Minusterm Term
-@attributes { struct symbol *s; int gparamges; struct treenode *node; int exprcount; } Orterm Multerm
+@attributes { struct symbol *s; int gparamges; struct treenode *node; short imm; int exprcount; } Expr Minusterm Term Multerm
+@attributes { struct symbol *s; int gparamges; struct treenode *node; int exprcount; } Orterm
 @attributes { struct symbol *s; int gparamges; struct treenode *node; } Lexpr Feld
 @attributes { struct symbol *sin; int gparamges; struct symbol *sout; struct treenode *node; } Statement
 
@@ -236,8 +236,16 @@ Expr:
 
 	| Term Multerm
 	  @{
-	    @i @Expr.node@ = TREENULL;
 		@i @Expr.exprcount@ = @Term.exprcount@ + @Multerm.exprcount@; fprintf(stderr, "(Expr)- Term Multerm\n");
+	    @i @Expr.node@ = new_node(O_MUL, @Term.node@, @Multerm.node@, @Expr.exprcount@);
+		@i @Expr.imm@ = @Term.imm@ && @Multerm.imm@;
+
+		@reg {
+			/* TODO */
+			@Term.node@->reg = @Expr.node@->reg;
+			@Term.node@->skip = 0;
+			@Multerm.node@->reg = next_reg(@Term.node@->reg, @Expr.node@->skip, @Expr.gparamges@);
+		}
 	  @}
 
 	| Term Orterm
@@ -285,16 +293,19 @@ Multerm:
 	  '*' Term Multerm
 	  @{
 		@i @Multerm.0.exprcount@ = @Term.exprcount@ + @Multerm.1.exprcount@; fprintf(stderr, "(Multerm)- - Term Multerm\n");
-	  	/* TODO */
-		/* TODO: imm */
-	    @i @Multerm.node@ = TREENULL;
+	    @i @Multerm.node@ = new_node(O_MUL, @Multerm.1.node@, @Term.node@, @Multerm.0.exprcount@);
+		@i @Multerm.imm@ = @Term.imm@ && @Multerm.1.imm@;
+
+	    @reg {
+			@Multerm.1.node@->reg = @Multerm.node@->reg;
+			@Term.node@->reg = next_reg(@Multerm.1.node@->reg, @Multerm.node@->skip, @Multerm.gparamges@);
+		}
 	  @}
 
 	| '*' Term
 	  @{
 		@i @Multerm.exprcount@ = @Term.exprcount@; fprintf(stderr, "(Multerm)- - Term\n");
-	  	/* TODO */
-	    @i @Multerm.node@ = TREENULL;
+	    @reg @Term.node@->reg = @Multerm.node@->reg;
 	  @}
 	;
 
-- 
2.25.1