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Fix data-flow analysis for BC_ITERC.

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Mike Pall 2011-03-19 17:30:15 +01:00
parent 642ae06916
commit a1c887e3b9
1 changed files with 2 additions and 1 deletions
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3
src/lj_snap.c
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@ -217,7 +217,8 @@ static BCReg snap_usedef(jit_State *J, uint8_t *udf,
if (op >= BC_CALLM && op <= BC_VARG) { if (op >= BC_CALLM && op <= BC_VARG) {
BCReg top = (op == BC_CALLM || op == BC_CALLMT || bc_c(ins) == 0) ? BCReg top = (op == BC_CALLM || op == BC_CALLMT || bc_c(ins) == 0) ?
maxslot : (bc_a(ins) + bc_c(ins)); maxslot : (bc_a(ins) + bc_c(ins));
for (s = bc_a(ins); s < top; s++) USE_SLOT(s); s = bc_a(ins) - ((op == BC_ITERC || op == BC_ITERN) ? 3 : 0);
for (; s < top; s++) USE_SLOT(s);
for (; s < maxslot; s++) DEF_SLOT(s); for (; s < maxslot; s++) DEF_SLOT(s);
if (op == BC_CALLT || op == BC_CALLMT) { if (op == BC_CALLT || op == BC_CALLMT) {
for (s = 0; s < bc_a(ins); s++) DEF_SLOT(s); for (s = 0; s < bc_a(ins); s++) DEF_SLOT(s);