From f6f70933698bcfaa2f7fbed24dcc75784d80d5bb Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Wed, 27 May 2009 23:55:14 -0700
Subject: clean up gmove: 	* conversions all in one place. 	* no
 separate load, store phases; 	  direct memory addressing when possible 
   (this is the x86 after all!). 	  avoids extra registers, extra MOVQs.
 	* fixes int32 -> uint64 bug 	  (was zero-extending)

R=ken
OCL=29482
CL=29484
---
 src/cmd/gc/subr.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/cmd/gc/subr.c')

diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index de32c8e6d..dcaa11a00 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -671,7 +671,6 @@ opnames[] =
 	[OCOMPOS]	= "COMPOS",
 	[OCOMPSLICE]	= "COMPSLICE",
 	[OCOM]		= "COM",
-	[OCONST]	= "CONST",
 	[OCONTINUE]	= "CONTINUE",
 	[OCONV]		= "CONV",
 	[ODCLARG]	= "DCLARG",
@@ -3015,3 +3014,29 @@ runifacechecks(void)
 	}
 	lineno = lno;
 }
+
+/*
+ * even simpler simtype; get rid of ptr, bool.
+ * assuming that the front end has rejected
+ * all the invalid conversions (like ptr -> bool)
+ */
+int
+simsimtype(Type *t)
+{
+	int et;
+
+	et = simtype[t->etype];
+	switch(et) {
+	case TPTR32:
+		et = TUINT32;
+		break;
+	case TPTR64:
+		et = TUINT64;
+		break;
+	case TBOOL:
+		et = TUINT8;
+		break;
+	}
+	return et;
+}
+
-- 
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