From: Bernhard Urban <lewurm@gmail.com>
Date: Tue, 4 May 2010 10:10:48 +0000 (+0200)
Subject: codea: 'bessere' register auswahl. grosses TODO *angst*
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=uebersetzerbau-ss10.git;a=commitdiff_plain;h=34c7d86c1434c7066fbc29ba337afa21bb19bae6

codea: 'bessere' register auswahl. grosses TODO *angst*
---

diff --git a/codea/chelper.c b/codea/chelper.c
index be39f3f..7b76626 100644
--- a/codea/chelper.c
+++ b/codea/chelper.c
@@ -38,8 +38,12 @@ void ret(void)
 
 char *next_reg(char *s, short skip)
 {
-	/* TODO: warum enthaelt das register die parameter enthalten koennten? */
+	/* TODO: bessere registerwahl. das is gerade a wengal suboptimal... */
+#if 1
+	char *regs[] = {"rax", "r10", "r11", "rax"};
+#else
 	char *regs[] = {"rax", "r10", "r11", "r9", "r8", "rcx", "rdx", "rsi", "rdi"};
+#endif
 	int i=0;
 	if (s != (char*) NULL) {
 		while(i < 9) {
diff --git a/codea/parser.y b/codea/parser.y
index e75f2ef..15b2424 100644
--- a/codea/parser.y
+++ b/codea/parser.y
@@ -208,15 +208,9 @@ Expr:
 		@reg {
 			/* TODO */
 			fprintf(stderr, "at_expr: Minusterm.imm \"%i\", Term.imm \"%i\"\n", @Minusterm.imm@, @Term.imm@);
-			#if 0
-			if(@Minusterm.imm@) {
-				@Minusterm.node@->reg = @Expr.node@->reg;
-				@Term.node@->reg = next_reg(@Minusterm.node@->reg, @Expr.node@->skip);
-				@Minusterm.node@->skip = 1;
-			} else {
-			#endif
-				@Term.node@->reg = @Expr.node@->reg;
-				@Minusterm.node@->reg = next_reg(@Term.node@->reg, @Expr.node@->skip);
+			@Term.node@->reg = @Expr.node@->reg;
+			@Term.node@->skip = 1;
+			@Minusterm.node@->reg = next_reg(@Term.node@->reg, @Expr.node@->skip);
 		}
 	  @}