Add explicit IR_GCSTEP instruction.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lj_asm_x86.h b/src/lj_asm_x86.h
index 7647b03f..4537e1d5 100644
--- a/src/lj_asm_x86.h
+++ b/src/lj_asm_x86.h
@@ -2379,7 +2379,7 @@ static void asm_gc_check(ASMState *as)
   asm_gencall(as, ci, args);
   tmp = ra_releasetmp(as, ASMREF_TMP1);
   emit_loada(as, tmp, J2G(as->J));
-  emit_loadi(as, ra_releasetmp(as, ASMREF_TMP2), (int32_t)as->gcsteps);
+  emit_loadi(as, ra_releasetmp(as, ASMREF_TMP2), as->gcsteps);
   /* Jump around GC step if GC total < GC threshold. */
   emit_sjcc(as, CC_B, l_end);
   emit_opgl(as, XO_ARITH(XOg_CMP), tmp, gc.threshold);
@@ -2556,6 +2556,7 @@ static void asm_ir(ASMState *as, IRIns *ir)
     ra_alloc1(as, ir->op1, irt_isfp(ir->t) ? RSET_FPR : RSET_GPR); break;
   case IR_PHI: asm_phi(as, ir); break;
   case IR_HIOP: asm_hiop(as, ir); break;
+  case IR_GCSTEP: asm_gcstep(as, ir); break;
 
   /* Guarded assertions. */
   case IR_LT: case IR_GE: case IR_LE: case IR_GT: