6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-24 23:28:41 +00:00
Code Issues Projects Releases Wiki Activity

The powers that be have decided that LLVM IR should now support 16-bit

Browse Source 
"half precision" floating-point with a first-class type.

This patch adds basic IR support (but not codegen support).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2011-12-17 00:04:22 +00:00
parent 2e1b0c0cd9
commit ce16339930
18 changed files with 123 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
lib/AsmParser/LLLexer.cpp
View File

@@ -574,6 +574,7 @@ lltok::Kind LLLexer::LexIdentifier() {
if (Len == strlen(STR) && !memcmp(StartChar, STR, strlen(STR))) { \
TyVal = LLVMTY; return lltok::Type; }
TYPEKEYWORD("void", Type::getVoidTy(Context));
TYPEKEYWORD("half", Type::getHalfTy(Context));
TYPEKEYWORD("float", Type::getFloatTy(Context));
TYPEKEYWORD("double", Type::getDoubleTy(Context));
TYPEKEYWORD("x86_fp80", Type::getX86_FP80Ty(Context));
@@ -693,7 +694,7 @@ lltok::Kind LLLexer::Lex0x() {
if (Kind == 'J') {
// HexFPConstant - Floating point constant represented in IEEE format as a
// hexadecimal number for when exponential notation is not precise enough.
// Float and double only.
// Half, Float, and double only.
APFloatVal = APFloat(BitsToDouble(HexIntToVal(TokStart+2, CurPtr)));
return lltok::APFloat;
}