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Allow unaligned load/store in QVM interpreter/x86 compiler

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constructions like (dataMask & ~3) was used to protect against out-of-bound load/store when address is 4-byte closer to dataMask
 but at the same time it effectively cut low address bits for ALL load/store operations which is totally wrong in terms of conformance to ALLOWED (i.e. generated by q3lcc from C sources) low-level operations like packed binary data parsing
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ec- 2017-03-15 11:42:58 +02:00 • committed by Tim Angus
parent abce15055c
commit 566fb0edfc
4 changed files with 17 additions and 14 deletions
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code/qcommon/vm_local.h
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@ -170,6 +170,7 @@ struct vm_s {
byte *dataBase;
int dataMask;
int dataAlloc; // actually allocated
int stackBottom; // if programStack < stackBottom, error