From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Thu, 18 Oct 2001 19:21:40 +0000 (+0000)
Subject: New function RegAXUsed
X-Git-Tag: V2.12.0~2539
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=564fbbe448cb9f338a7d6b18f841e8a014e26ed9;p=cc65

New function RegAXUsed


git-svn-id: svn://svn.cc65.org/cc65/trunk@1060 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/src/cc65/codeinfo.c b/src/cc65/codeinfo.c
index cd9b45438..896baaf21 100644
--- a/src/cc65/codeinfo.c
+++ b/src/cc65/codeinfo.c
@@ -534,5 +534,11 @@ int RegYUsed (struct CodeSeg* S, unsigned Index)
 
 
 
+int RegAXUsed (struct CodeSeg* S, unsigned Index)
+/* Check if the value in A or(!) the value in X are used. */
+{
+    return (GetRegInfo (S, Index, REG_AX) & REG_AX) != 0;
+}
+
 
 
diff --git a/src/cc65/codeinfo.h b/src/cc65/codeinfo.h
index 435e49884..55a2e9c18 100644
--- a/src/cc65/codeinfo.h
+++ b/src/cc65/codeinfo.h
@@ -82,7 +82,7 @@ struct CodeSeg;
 #define REG_AY          (REG_A | REG_Y)
 #define REG_XY		(REG_X | REG_Y)
 #define REG_AXY		(REG_AX | REG_Y)
-#define REG_EAX         (REG_AX | REG_SREG)    
+#define REG_EAX         (REG_AX | REG_SREG)
 #define REG_EAXY        (REG_EAX | REG_Y)
 #define REG_ZP          0xFFF8U
 #define REG_ALL         0xFFFFU
@@ -131,6 +131,9 @@ int RegXUsed (struct CodeSeg* S, unsigned Index);
 int RegYUsed (struct CodeSeg* S, unsigned Index);
 /* Check if the value in Y is used. */
 
+int RegAXUsed (struct CodeSeg* S, unsigned Index);
+/* Check if the value in A or(!) the value in X are used. */
+
 
 
 /* End of codeinfo.h */