6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-24 08:24:33 +00:00
Code Issues Projects Releases Wiki Activity

AsmParser: Don't crash on short hex constants for fp128 types

Browse Source 
If we see 0xL01, treat it like 0xL00000000000000000000000000000001
instead of crashing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223811 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer
2014-12-09 19:10:03 +00:00
parent f700a24774
commit 0247b81ef6
2 changed files with 11 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lib/AsmParser/LLLexer.cpp
View File

@ -78,13 +78,15 @@ uint64_t LLLexer::HexIntToVal(const char *Buffer, const char *End) {
void LLLexer::HexToIntPair(const char *Buffer, const char *End,
uint64_t Pair[2]) {
Pair[0] = 0;
for (int i=0; i<16; i++, Buffer++) {
assert(Buffer != End);
Pair[0] *= 16;
Pair[0] += hexDigitValue(*Buffer);
if (End - Buffer >= 16) {
for (int i = 0; i < 16; i++, Buffer++) {
assert(Buffer != End);
Pair[0] *= 16;
Pair[0] += hexDigitValue(*Buffer);
}
}
Pair[1] = 0;
for (int i=0; i<16 && Buffer != End; i++, Buffer++) {
for (int i = 0; i < 16 && Buffer != End; i++, Buffer++) {
Pair[1] *= 16;
Pair[1] += hexDigitValue(*Buffer);
}