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PPC: Add table constructors.

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This commit is contained in:
Mike Pall 2010-09-06 15:20:58 +02:00
parent 711e55bdf8
commit 341820987b
1 changed files with 34 additions and 3 deletions
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37
src/buildvm_ppc.dasc
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@ -1230,10 +1230,41 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
/* -- Table ops --------------------------------------------------------- */
case BC_TNEW:
| NYI
break;
case BC_TDUP:
| NYI
| // RA = dst*8, RD = (hbits|asize)*8 | tab_const*8 (~)
| lwz TMP0, DISPATCH_GL(gc.total)(DISPATCH)
| mr CARG1, L
| lwz TMP1, DISPATCH_GL(gc.threshold)(DISPATCH)
| stw BASE, L->base
| cmplw TMP0, TMP1
| stw PC, SAVE_PC
| bge >5
|1:
if (op == BC_TNEW) {
| rlwinm CARG2, RD, 29, 21, 31
| rlwinm CARG3, RD, 18, 27, 31
| cmpwi CARG2, 0x7ff
| li TMP1, 0x801
| iseleq CARG2, TMP1, CARG2
| bl extern lj_tab_new // (lua_State *L, int32_t asize, uint32_t hbits)
| // Returns Table *.
} else {
| srwi TMP1, RD, 1
| subfic TMP1, TMP1, -4
| lwzx CARG2, KBASE, TMP1 // KBASE-4-tab_const*4
| bl extern lj_tab_dup // (lua_State *L, Table *kt)
| // Returns Table *.
}
| lwz BASE, L->base
| evmergelo TAB:CRET1, TISTAB, TAB:CRET1
| evstddx TAB:CRET1, BASE, RA
| ins_next
|5:
| mr SAVE0, RD
| bl extern lj_gc_step_fixtop // (lua_State *L)
| mr RD, SAVE0
| mr CARG1, L
| b <1
break;
case BC_GGET: