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ARM: Implement FLOAD from GG_State.

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This commit is contained in:
Mike Pall 2020-06-13 01:12:14 +02:00
parent 8ae5170cdc
commit d333b1a6fe
3 changed files with 11 additions and 21 deletions
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21
src/lj_asm_arm.h
View File

@ -1007,14 +1007,15 @@ static ARMIns asm_fxstoreins(ASMState *as, IRIns *ir)
static void asm_fload(ASMState *as, IRIns *ir)
{
Reg dest = ra_dest(as, ir, RSET_GPR);
ARMIns ai = asm_fxloadins(as, ir);
Reg idx;
int32_t ofs;
if (ir->op1 == REF_NIL) { /* FLOAD from GG_State with offset. */
/* We can end up here if DCE is turned off. */
lj_assertA(!ra_used(ir), "NYI FLOAD GG_State");
idx = ra_allock(as, (int32_t)(ir->op2<<2) + (int32_t)J2GG(as->J), RSET_GPR);
ofs = 0;
} else {
Reg dest = ra_dest(as, ir, RSET_GPR);
Reg idx = ra_alloc1(as, ir->op1, RSET_GPR);
ARMIns ai = asm_fxloadins(as, ir);
int32_t ofs;
idx = ra_alloc1(as, ir->op1, RSET_GPR);
if (ir->op2 == IRFL_TAB_ARRAY) {
ofs = asm_fuseabase(as, ir->op1);
if (ofs) { /* Turn the t->array load into an add for colocated arrays. */
@ -1023,11 +1024,11 @@ static void asm_fload(ASMState *as, IRIns *ir)
}
}
ofs = field_ofs[ir->op2];
if ((ai & 0x04000000))
emit_lso(as, ai, dest, idx, ofs);
else
emit_lsox(as, ai, dest, idx, ofs);
}
if ((ai & 0x04000000))
emit_lso(as, ai, dest, idx, ofs);
else
emit_lsox(as, ai, dest, idx, ofs);
}
static void asm_fstore(ASMState *as, IRIns *ir)

6
src/lj_ffrecord.c
View File

@ -1086,13 +1086,7 @@ static TRef recff_io_fp(jit_State *J, TRef *udp, int32_t id)
{
TRef tr, ud, fp;
if (id) { /* io.func() */
#if LJ_GC64
/* TODO: fix ARM32 asm_fload(), so we can use this for all archs. */
ud = lj_ir_ggfload(J, IRT_UDATA, GG_OFS(g.gcroot[id]));
#else
tr = lj_ir_kptr(J, &J2G(J)->gcroot[id]);
ud = emitir(IRT(IR_XLOAD, IRT_UDATA), tr, 0);
#endif
} else { /* fp:method() */
ud = J->base[0];
if (!tref_isudata(ud))

5
src/lj_record.c
View File

@ -1009,13 +1009,8 @@ int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm)
}
/* The cdata metatable is treated as immutable. */
if (LJ_HASFFI && tref_iscdata(ix->tab)) goto immutable_mt;
#if LJ_GC64
/* TODO: fix ARM32 asm_fload(), so we can use this for all archs. */
ix->mt = mix.tab = lj_ir_ggfload(J, IRT_TAB,
GG_OFS(g.gcroot[GCROOT_BASEMT+itypemap(&ix->tabv)]));
#else
ix->mt = mix.tab = lj_ir_ktab(J, mt);
#endif
goto nocheck;
}
ix->mt = mt ? mix.tab : TREF_NIL;