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LJ_GC64: Fix HREF for pointers. 

Contributed by Peter Cawley.
master
Mike Pall 2016-10-19 09:48:38 +02:00
parent 6a25014c1c
commit bdcaf4bfd9
2 changed files with 11 additions and 1 deletions
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11
src/lj_asm_x86.h
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@ -1246,7 +1246,18 @@ static void asm_href(ASMState *as, IRIns *ir, IROp merge)
#endif
} else {
emit_rr(as, XO_MOV, tmp, key);
#if LJ_GC64
emit_gri(as, XG_ARITHi(XOg_XOR), dest, irt_toitype(kt) << 15);
if ((as->flags & JIT_F_BMI2)) {
emit_i8(as, 32);
emit_mrm(as, XV_RORX|VEX_64, dest, key);
} else {
emit_shifti(as, XOg_SHR|REX_64, dest, 32);
emit_rr(as, XO_MOV, dest|REX_64, key|REX_64);
}
#else
emit_rmro(as, XO_LEA, dest, key, HASH_BIAS);
#endif
}
}
}

1
src/lj_tab.c
View File

@ -28,7 +28,6 @@ static LJ_AINLINE Node *hashmask(const GCtab *t, uint32_t hash)
#define hashlohi(t, lo, hi) hashmask((t), hashrot((lo), (hi)))
#define hashnum(t, o) hashlohi((t), (o)->u32.lo, ((o)->u32.hi << 1))
#define hashptr(t, p) hashlohi((t), u32ptr(p), u32ptr(p) + HASH_BIAS)
#if LJ_GC64
#define hashgcref(t, r) \
hashlohi((t), (uint32_t)gcrefu(r), (uint32_t)(gcrefu(r) >> 32))