X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fcc65%2Fcodeinfo.c;h=322b471ff0e8109a9bfb0d906d870ff67a7cb614;hb=4a667ead00c10797fb57298b3dd33c2efc6c8d3f;hp=74a704a9614efac21f75677575f29fef901ffe52;hpb=2e5fa9575c7dce0b875b4053f78f0c3a5693eafe;p=cc65

diff --git a/src/cc65/codeinfo.c b/src/cc65/codeinfo.c
index 74a704a96..322b471ff 100644
--- a/src/cc65/codeinfo.c
+++ b/src/cc65/codeinfo.c
@@ -154,15 +154,20 @@ static const FuncInfo FuncInfoTable[] = {
     { "push7", 	       	REG_NONE,             REG_AXY	 		     },
     { "pusha", 	       	REG_A, 	       	      REG_Y			     },
     { "pusha0",	       	REG_A, 	       	      REG_XY			     },
-    { "pushax",	       	REG_AX,	       	      REG_Y			     },
     { "pusha0sp",       REG_NONE,             REG_AY                         },
+    { "pushax",	       	REG_AX,	       	      REG_Y			     },
     { "pushaysp",       REG_Y,                REG_AY                         },
     { "pushc0",	       	REG_NONE,             REG_A | REG_Y                  },
     { "pushc1",	       	REG_NONE,             REG_A | REG_Y                  },
     { "pushc2",	       	REG_NONE,             REG_A | REG_Y                  },
     { "pusheax",        REG_EAX,              REG_Y			     },
+    { "pushw",         	REG_AX,        	      REG_AXY | REG_PTR1             },
     { "pushw0sp",      	REG_NONE,      	      REG_AXY			     },
+    { "pushwidx",      	REG_AXY,       	      REG_AXY | REG_PTR1	     },
     { "pushwysp",      	REG_Y, 	       	      REG_AXY			     },
+    { "regswap",        REG_AXY,              REG_AXY | REG_TMP1             },
+    { "regswap1",       REG_XY,               REG_A                          },
+    { "regswap2",       REG_XY,               REG_A | REG_Y                  },
     { "shlax1",         REG_AX,	       	      REG_AX | REG_TMP1		     },
     { "shlax2",         REG_AX,	       	      REG_AX | REG_TMP1		     },
     { "shlax3",         REG_AX,	       	      REG_AX | REG_TMP1		     },
@@ -282,8 +287,7 @@ void GetFuncInfo (const char* Name, unsigned short* Use, unsigned short* Chg)
      	    FuncDesc* D = E->V.F.Func;
      	    if ((D->Flags & FD_FASTCALL) != 0 && D->ParamCount > 0) {
      		/* Will use registers depending on the last param */
-     		SymEntry* LastParam = D->SymTab->SymTail;
-                unsigned LastParamSize = CheckedSizeOf (LastParam->Type);
+                unsigned LastParamSize = CheckedSizeOf (D->LastParam->Type);
      		if (LastParamSize == 1) {
      		    *Use = REG_A;
      		} else if (LastParamSize == 2) {
@@ -590,6 +594,14 @@ int RegAXUsed (struct CodeSeg* S, unsigned Index)
 
 
 
+int RegEAXUsed (struct CodeSeg* S, unsigned Index)
+/* Check if any of the four bytes in EAX are used. */
+{
+    return (GetRegInfo (S, Index, REG_EAX) & REG_EAX) != 0;
+}
+
+
+
 unsigned GetKnownReg (unsigned Use, const RegContents* RC)
 /* Return the register or zero page location from the set in Use, thats
  * contents are known. If Use does not contain any register, or if the
@@ -604,6 +616,10 @@ unsigned GetKnownReg (unsigned Use, const RegContents* RC)
 	return (RC == 0 || RC->RegY >= 0)? REG_Y : REG_NONE;
     } else if ((Use & REG_TMP1) != 0) {
 	return (RC == 0 || RC->Tmp1 >= 0)? REG_TMP1 : REG_NONE;
+    } else if ((Use & REG_PTR1_LO) != 0) {
+	return (RC == 0 || RC->Ptr1Lo >= 0)? REG_PTR1_LO : REG_NONE;
+    } else if ((Use & REG_PTR1_HI) != 0) {
+	return (RC == 0 || RC->Ptr1Hi >= 0)? REG_PTR1_HI : REG_NONE;
     } else if ((Use & REG_SREG_LO) != 0) {
 	return (RC == 0 || RC->SRegLo >= 0)? REG_SREG_LO : REG_NONE;
     } else if ((Use & REG_SREG_HI) != 0) {
@@ -613,7 +629,7 @@ unsigned GetKnownReg (unsigned Use, const RegContents* RC)
     }
 }
 
-
+                              
 
 static cmp_t FindCmpCond (const char* Code, unsigned CodeLen)
 /* Search for a compare condition by the given code using the given length */