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Split up FP IR instructions with SPLIT pass for soft-float targets.

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This commit is contained in:
Mike Pall
2011-05-22 17:41:59 +02:00
parent d0115c65f5
commit 138f54352a
13 changed files with 479 additions and 72 deletions
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10
src/lj_record.c
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@@ -1992,6 +1992,7 @@ static void rec_setup_side(jit_State *J, GCtrace *T)
IRRef ref = snap_ref(sn);
BCReg s = snap_slot(sn);
IRIns *ir = &T->ir[ref];
IRType t = irt_type(ir->t);
TRef tr;
/* The bloom filter avoids O(nent^2) overhead for de-duping slots. */
if (bloomtest(seen, ref)) {
@@ -2005,7 +2006,7 @@ static void rec_setup_side(jit_State *J, GCtrace *T)
bloomset(seen, ref);
switch ((IROp)ir->o) {
/* Only have to deal with constants that can occur in stack slots. */
case IR_KPRI: tr = TREF_PRI(irt_type(ir->t)); break;
case IR_KPRI: tr = TREF_PRI(t); break;
case IR_KINT: tr = lj_ir_kint(J, ir->i); break;
case IR_KGC: tr = lj_ir_kgc(J, ir_kgc(ir), irt_t(ir->t)); break;
case IR_KNUM: tr = lj_ir_k64(J, IR_KNUM, ir_knum(ir)); break;
@@ -2013,13 +2014,14 @@ static void rec_setup_side(jit_State *J, GCtrace *T)
case IR_KPTR: tr = lj_ir_kptr(J, ir_kptr(ir)); break; /* Continuation. */
/* Inherited SLOADs don't need a guard or type check. */
case IR_SLOAD:
tr = emitir_raw(ir->ot & ~IRT_GUARD, s,
if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) t = IRT_NUM;
tr = emitir_raw(IRT(IR_SLOAD, t), s,
(ir->op2&IRSLOAD_READONLY) | IRSLOAD_INHERIT|IRSLOAD_PARENT);
break;
/* Parent refs are already typed and don't need a guard. */
default:
tr = emitir_raw(IRT(IR_SLOAD, irt_type(ir->t)), s,
IRSLOAD_INHERIT|IRSLOAD_PARENT);
if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) t = IRT_NUM;
tr = emitir_raw(IRT(IR_SLOAD, t), s, IRSLOAD_INHERIT|IRSLOAD_PARENT);
break;
}
setslot: