gh-mirror/mikepaul-LuaJIT
1
0
Fork 0
mirror of https://github.com/LuaJIT/LuaJIT.git synced 2025-02-07 23:24:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Avoid zero-sized arrays in jit_State.

Browse Source
This commit is contained in:
Mike Pall 2022-06-08 11:26:50 +02:00
parent b32e94856b
commit 96157d360d
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/lj_jit.h
View File

@ -372,6 +372,7 @@ enum {
#endif
LJ_K64__MAX,
};
#define LJ_K64__USED (LJ_TARGET_X86ORX64 || LJ_TARGET_MIPS)
enum {
#if LJ_TARGET_X86ORX64
@ -390,6 +391,7 @@ enum {
#endif
LJ_K32__MAX
};
#define LJ_K32__USED (LJ_TARGET_X86ORX64 || LJ_TARGET_PPC || LJ_TARGET_MIPS)
/* Get 16 byte aligned pointer to SIMD constant. */
#define LJ_KSIMD(J, n) \
@ -444,9 +446,13 @@ typedef struct jit_State {
int32_t framedepth; /* Current frame depth. */
int32_t retdepth; /* Return frame depth (count of RETF). */
#if LJ_K32__USED
uint32_t k32[LJ_K32__MAX]; /* Common 4 byte constants used by backends. */
#endif
TValue ksimd[LJ_KSIMD__MAX*2+1]; /* 16 byte aligned SIMD constants. */
#if LJ_K64__USED
TValue k64[LJ_K64__MAX]; /* Common 8 byte constants. */
#endif
IRIns *irbuf; /* Temp. IR instruction buffer. Biased with REF_BIAS. */
IRRef irtoplim; /* Upper limit of instuction buffer (biased). */