replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

remove some ad-hocery and use DefineTypeSize for more things. 

Now you too can have a 47 bit long long!

llvm-svn: 63918
This commit is contained in:
Chris Lattner 2009-02-06 04:55:18 +00:00
parent a3dc5d8423
commit 61898606dc
1 changed files with 6 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
clang/lib/Lex/Preprocessor.cpp
View File

@ -510,43 +510,17 @@ static void InitializePredefinedMacros(Preprocessor &PP,
DefineBuiltinMacro(Buf, "__int64=long long");
}
// Initialize target-specific preprocessor defines.
const TargetInfo &TI = PP.getTargetInfo();
// Define type sizing macros based on the target properties.
assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far");
DefineBuiltinMacro(Buf, "__CHAR_BIT__=8");
DefineBuiltinMacro(Buf, "__SCHAR_MAX__=127");
assert(TI.getWCharWidth() == 32 && "Only support 32-bit wchar so far");
DefineBuiltinMacro(Buf, "__WCHAR_MAX__=2147483647");
DefineBuiltinMacro(Buf, "__WCHAR_TYPE__=int");
DefineBuiltinMacro(Buf, "__WINT_TYPE__=int");
assert(TI.getShortWidth() == 16 && "Only support 16-bit short so far");
DefineBuiltinMacro(Buf, "__SHRT_MAX__=32767");
if (TI.getIntWidth() == 32)
DefineBuiltinMacro(Buf, "__INT_MAX__=2147483647");
else if (TI.getIntWidth() == 16)
DefineBuiltinMacro(Buf, "__INT_MAX__=32767");
else
assert(0 && "Unknown integer size");
if (TI.getLongLongWidth() == 64)
DefineBuiltinMacro(Buf, "__LONG_LONG_MAX__=9223372036854775807LL");
else if (TI.getLongLongWidth() == 32)
DefineBuiltinMacro(Buf, "__LONG_LONG_MAX__=2147483647L");
if (TI.getLongWidth() == 32)
DefineBuiltinMacro(Buf, "__LONG_MAX__=2147483647L");
else if (TI.getLongWidth() == 64)
DefineBuiltinMacro(Buf, "__LONG_MAX__=9223372036854775807L");
else if (TI.getLongWidth() == 16)
DefineBuiltinMacro(Buf, "__LONG_MAX__=32767L");
else
assert(0 && "Unknown long size");
unsigned IntMaxWidth;
const char *IntMaxSuffix;
@ -562,6 +536,12 @@ static void InitializePredefinedMacros(Preprocessor &PP,
IntMaxSuffix = "";
}
DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf);
DefineTypeSize("__SHRT_MAX__", TI.getShortWidth(), "", true, Buf);
DefineTypeSize("__INT_MAX__", TI.getIntWidth(), "", true, Buf);
DefineTypeSize("__LONG_MAX__", TI.getLongWidth(), "L", true, Buf);
DefineTypeSize("__LONG_LONG_MAX__", TI.getLongLongWidth(), "LL", true, Buf);
DefineTypeSize("__WCHAR_MAX__", TI.getWCharWidth(), "", true, Buf);
DefineTypeSize("__INTMAX_MAX__", IntMaxWidth, IntMaxSuffix, true, Buf);
if (TI.getIntMaxType() == TargetInfo::UnsignedLongLong)