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Add explicit IR_GCSTEP instruction.

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This commit is contained in:
Mike Pall
2012-07-02 22:42:40 +02:00
parent 264177b0d0
commit 5d0115ef8d
6 changed files with 27 additions and 7 deletions
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3
src/lj_asm_mips.h
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@@ -1673,7 +1673,7 @@ static void asm_gc_check(ASMState *as)
asm_gencall(as, ci, args);
emit_tsi(as, MIPSI_ADDIU, ra_releasetmp(as, ASMREF_TMP1), RID_JGL, -32768);
tmp = ra_releasetmp(as, ASMREF_TMP2);
emit_loadi(as, tmp, (int32_t)as->gcsteps);
emit_loadi(as, tmp, as->gcsteps);
/* Jump around GC step if GC total < GC threshold. */
emit_branch(as, MIPSI_BNE, RID_TMP, RID_ZERO, l_end);
emit_dst(as, MIPSI_SLTU, RID_TMP, RID_TMP, tmp);
@@ -1770,6 +1770,7 @@ 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_EQ: case IR_NE: asm_compeq(as, ir); break;