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authorMike Pall <mike>2016-05-23 06:24:19 +0200
committerMike Pall <mike>2016-05-23 06:46:30 +0200
commit747feb6e4ef2a8147e18a92e76b9befa8de8a7b5 (patch)
treeb759a428ca4d4e92c6ea714a5b81bb8d9dff0b0e
parent37e1e70313367d0264be9a2b9e563a8a94745303 (diff)
downloadluajit2-747feb6e4ef2a8147e18a92e76b9befa8de8a7b5.tar.gz
x86: Don't spill an explicit REF_BASE in the IR.
Thanks to Vyacheslav Egorov.
-rw-r--r--src/lj_asm_x86.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/lj_asm_x86.h b/src/lj_asm_x86.h
index db3e49f8..a380094b 100644
--- a/src/lj_asm_x86.h
+++ b/src/lj_asm_x86.h
@@ -325,11 +325,11 @@ static Reg asm_fuseload(ASMState *as, IRRef ref, RegSet allow)
as->mrm.base = as->mrm.idx = RID_NONE;
return RID_MRM;
}
- } else if (ir->o == IR_KINT64) {
+ } else if (ref == REF_BASE || ir->o == IR_KINT64) {
RegSet avail = as->freeset & ~as->modset & RSET_GPR;
lua_assert(allow != RSET_EMPTY);
if (!(avail & (avail-1))) { /* Fuse if less than two regs available. */
- as->mrm.ofs = ptr2addr(ir_kint64(ir));
+ as->mrm.ofs = ptr2addr(ref == REF_BASE ? (void *)&J2G(as->J)->jit_base : (void *)ir_kint64(ir));
as->mrm.base = as->mrm.idx = RID_NONE;
return RID_MRM;
}
@@ -369,7 +369,7 @@ static Reg asm_fuseload(ASMState *as, IRRef ref, RegSet allow)
return RID_MRM;
}
}
- if (!(as->freeset & allow) && !irref_isk(ref) &&
+ if (!(as->freeset & allow) && !emit_canremat(ref) &&
(allow == RSET_EMPTY || ra_hasspill(ir->s) || iscrossref(as, ref)))
goto fusespill;
return ra_allocref(as, ref, allow);