sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 67 insertions, 0 deletions

diff --git a/src/SDCCcse.h b/src/SDCCcse.h
new file mode 100644
index 0000000..bcd8257
--- /dev/null
+++ b/src/SDCCcse.h
@@ -0,0 +1,67 @@
+/*-------------------------------------------------------------------------
+
+  SDCCcse.h - header file for Common Subexpressions
+
+             Written By -  Sandeep Dutta . sandeep.dutta@usa.net (1998)
+
+   This program is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+   
+   In other words, you are welcome to use, share and improve this program.
+   You are forbidden to forbid anyone else to use, share and improve
+   what you give them.   Help stamp out software-hoarding!  
+-------------------------------------------------------------------------*/
+
+#include "SDCCicode.h"
+
+#ifndef SDCCCSE_H
+#define SDCCCSE_H 1
+
+typedef struct cseDef
+  {
+
+    int key;
+    operand *sym;           /* defining symbol */
+    iCode *diCode;          /* defining instruction */
+    bitVect *ancestors;     /* keys of the symbol's ancestors */
+    int fromGlobal;         /* defining symbol's value computed from a global */
+    int fromAddrTaken:1;    /* defining symbol's value computed from a */
+                            /*   symbol whose address was taken */
+    unsigned nonLocalCSE:1; /* CSE def visible outside of originating */
+                            /*   basic block */
+  }
+cseDef;
+
+
+cseDef *newCseDef (operand *, iCode *);
+int isCseDefEqual (void *, void *);
+int pcseDef (void *, va_list);
+DEFSETFUNC (ifDiCodeIsX);
+int ifDiCodeIs (set *, iCode *);
+DEFSETFUNC (ifDefSymIsX);
+int ifDefSymIs (set *, operand *);
+DEFSETFUNC (findPrevIc);
+DEFSETFUNC (ifOperandsHave);
+DEFSETFUNC (findCheaperOp);
+int cseBBlock (eBBlock *, int, ebbIndex *);
+int cseAllBlocks (ebbIndex *, int computeOnly);
+void unsetDefsAndUses (iCode *);
+void updateSpillLocation (iCode * ic,int);
+void setUsesDefs (operand *, bitVect *, bitVect *, bitVect **);
+void replaceAllSymBySym (iCode *, operand *, operand *, bitVect **);
+iCode *findBackwardDef(operand *,iCode *);
+void ReplaceOpWithCheaperOp(operand **op, operand *cop);
+void freeCSEdata (eBBlock *);
+
+#endif