From d0b9848c54e6f85ab713f059dcd1ddef7e57caa6 Mon Sep 17 00:00:00 2001
From: Ash Wolf <ninji@wuffs.org>
Date: Tue, 25 Oct 2022 20:30:28 +0100
Subject: a bunch of compiler stuff

---
 includes/compiler/CInt64.h | 88 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 includes/compiler/CInt64.h

(limited to 'includes/compiler/CInt64.h')

diff --git a/includes/compiler/CInt64.h b/includes/compiler/CInt64.h
new file mode 100644
index 0000000..455bf3f
--- /dev/null
+++ b/includes/compiler/CInt64.h
@@ -0,0 +1,88 @@
+#ifndef COMPILER_CINT64_H
+#define COMPILER_CINT64_H
+
+#include "compiler/common.h"
+
+// make sure this is in the right place
+extern const CInt64 cint64_negone;
+extern const CInt64 cint64_zero;
+extern const CInt64 cint64_one;
+extern const CInt64 cint64_max;
+extern const CInt64 cint64_min;
+
+inline int CInt64_IsNegative(const CInt64 *n) {
+    return (n->hi & 0x80000000) != 0;
+}
+inline void CInt64_SetLong(CInt64 *pN, SInt32 n) {
+    pN->lo = n;
+    pN->hi = (n < 0) ? 0xFFFFFFFF : 0;
+}
+inline void CInt64_SetULong(CInt64 *pN, UInt32 n) {
+    pN->lo = n;
+    pN->hi = 0;
+}
+
+inline int CInt64_IsZero(CInt64 *n) {
+    //if (n->hi == 0 && n->lo == 0)
+    //    return 1;
+    //else
+    //    return 0;
+    return n->hi == 0 && n->lo == 0;
+}
+inline void CInt64_Extend32(CInt64 *n) { // assumed name
+    n->hi = (n->lo >> 31) ? 0xFFFFFFFF : 0;
+}
+
+extern void CInt64_Init();
+extern CInt64 CInt64_Not(CInt64 input);
+extern CInt64 CInt64_Inv(CInt64 input);
+extern CInt64 CInt64_Add(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_Neg(CInt64 input);
+extern CInt64 CInt64_Sub(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_MulU(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_Mul(CInt64 lhs, CInt64 rhs);
+extern void CInt64_DivMod(const CInt64 *lhs, const CInt64 *rhs, CInt64 *pDiv, CInt64 *pMod);
+extern CInt64 CInt64_Div(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_DivU(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_Mod(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_ModU(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_Shl(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_Shr(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_ShrU(CInt64 lhs, CInt64 rhs);
+extern int CInt64_UnsignedCompare(const CInt64 *lhs, const CInt64 *rhs);
+extern int CInt64_SignedCompare(const CInt64 *lhs, const CInt64 *rhs);
+extern Boolean CInt64_Less(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_LessU(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_Greater(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_GreaterU(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_LessEqual(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_LessEqualU(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_GreaterEqual(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_GreaterEqualU(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_Equal(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_NotEqual(CInt64 lhs, CInt64 rhs);
+extern Boolean CInt64_IsInRange(CInt64 value, short len);
+extern Boolean CInt64_IsInURange(CInt64 value, short len);
+extern CInt64 CInt64_And(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_Xor(CInt64 lhs, CInt64 rhs);
+extern CInt64 CInt64_Or(CInt64 lhs, CInt64 rhs);
+extern void CInt64_ConvertInt32(CInt64 *i);
+extern void CInt64_ConvertUInt32(CInt64 *i);
+extern void CInt64_ConvertInt16(CInt64 *i);
+extern void CInt64_ConvertUInt16(CInt64 *i);
+extern void CInt64_ConvertInt8(CInt64 *i);
+extern void CInt64_ConvertUInt8(CInt64 *i);
+extern void CInt64_ConvertUFromLongDouble(CInt64 *pResult, double value);
+extern void CInt64_ConvertFromLongDouble(CInt64 *pResult, double value);
+extern double CInt64_ConvertUToLongDouble(const CInt64 *value);
+extern double CInt64_ConvertToLongDouble(const CInt64 *value);
+extern char *CInt64_ScanOctString(CInt64 *pResult, char *str, Boolean *pFail);
+extern char *CInt64_ScanDecString(CInt64 *pResult, char *str, Boolean *pFail);
+extern char *CInt64_ScanHexString(CInt64 *pResult, char *str, Boolean *pFail);
+extern char *CInt64_ScanBinString(CInt64 *pResult, char *str, Boolean *pFail);
+extern char *CInt64_ScanAsmNumber(CInt64 *pResult, char *str, Boolean *pFail);
+extern int CInt64_PrintDec(char *output, CInt64 value);
+extern int CInt64_PrintHex(char *output, CInt64 value);
+extern int CInt64_PrintBin(char *output, CInt64 value);
+
+#endif
-- 
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