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Trap without fragmenting blocks.

This commit is contained in:
Ben Vanik 2014-08-06 09:01:36 -07:00
parent 19274ef26d
commit d8502c2aa9
1 changed files with 14 additions and 5 deletions
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19
src/alloy/frontend/ppc/ppc_emit_control.cc
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@ -436,25 +436,34 @@ int InstrEmit_trap(PPCHIRBuilder& f, InstrData& i, Value* va, Value* vb,
if (!TO) {
return 0;
}
Value* v = nullptr;
if (TO & (1 << 4)) {
// a < b
f.TrapTrue(f.CompareSLT(va, vb));
auto cmp = f.CompareSLT(va, vb);
v = v ? f.Or(v, cmp) : cmp;
}
if (TO & (1 << 3)) {
// a > b
f.TrapTrue(f.CompareSGT(va, vb));
auto cmp = f.CompareSGT(va, vb);
v = v ? f.Or(v, cmp) : cmp;
}
if (TO & (1 << 2)) {
// a = b
f.TrapTrue(f.CompareEQ(va, vb));
auto cmp = f.CompareEQ(va, vb);
v = v ? f.Or(v, cmp) : cmp;
}
if (TO & (1 << 1)) {
// a <u b
f.TrapTrue(f.CompareULT(va, vb));
auto cmp = f.CompareULT(va, vb);
v = v ? f.Or(v, cmp) : cmp;
}
if (TO & (1 << 0)) {
// a >u b
f.TrapTrue(f.CompareUGT(va, vb));
auto cmp = f.CompareUGT(va, vb);
v = v ? f.Or(v, cmp) : cmp;
}
if (v) {
f.TrapTrue(v);
}
return 0;
}