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Compile table traversals: next(), pairs(), BC_ISNEXT/BC_ITERN.

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Sponsored by OpenResty Inc.
This commit is contained in:
Mike Pall
2021-09-19 17:49:25 +02:00
parent 986bb406ad
commit bb0f241015
27 changed files with 781 additions and 47 deletions
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13
src/lj_asm_x86.h
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@@ -1700,7 +1700,8 @@ static void asm_sload(ASMState *as, IRIns *ir)
lj_assertA(irt_isguard(t) || !(ir->op2 & IRSLOAD_TYPECHECK),
"inconsistent SLOAD variant");
lj_assertA(LJ_DUALNUM ||
!irt_isint(t) || (ir->op2 & (IRSLOAD_CONVERT|IRSLOAD_FRAME)),
!irt_isint(t) ||
(ir->op2 & (IRSLOAD_CONVERT|IRSLOAD_FRAME|IRSLOAD_KEYINDEX)),
"bad SLOAD type");
if ((ir->op2 & IRSLOAD_CONVERT) && irt_isguard(t) && irt_isint(t)) {
Reg left = ra_scratch(as, RSET_FPR);
@@ -2727,7 +2728,15 @@ static void asm_stack_restore(ASMState *as, SnapShot *snap)
IRIns *ir = IR(ref);
if ((sn & SNAP_NORESTORE))
continue;
if (irt_isnum(ir->t)) {
if ((sn & SNAP_KEYINDEX)) {
emit_movmroi(as, RID_BASE, ofs+4, LJ_KEYINDEX);
if (irref_isk(ref)) {
emit_movmroi(as, RID_BASE, ofs, ir->i);
} else {
Reg src = ra_alloc1(as, ref, rset_exclude(RSET_GPR, RID_BASE));
emit_movtomro(as, src, RID_BASE, ofs);
}
} else if (irt_isnum(ir->t)) {
Reg src = ra_alloc1(as, ref, RSET_FPR);
emit_rmro(as, XO_MOVSDto, src, RID_BASE, ofs);
} else {