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7200233: C2: can't use expand rules for vector instruction rules

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Added missed _bottom_type set in ArchDesc::defineExpand() and missed vector nodes in MatchRule::is_vector().

Reviewed-by: twisti, roland, dlong
This commit is contained in:
Vladimir Kozlov 2012-09-25 10:41:15 -07:00
parent ac3b6a6442
commit 9c3545d4fb
3 changed files with 36 additions and 11 deletions
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31
hotspot/src/share/vm/adlc/formssel.cpp
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@ -4043,18 +4043,27 @@ Form::DataType MatchRule::is_ideal_load() const {
}
bool MatchRule::is_vector() const {
if( _rChild ) {
static const char *vector_list[] = {
"AddVB","AddVS","AddVI","AddVL","AddVF","AddVD",
"SubVB","SubVS","SubVI","SubVL","SubVF","SubVD",
"MulVS","MulVI","MulVF","MulVD",
"DivVF","DivVD",
"AndV" ,"XorV" ,"OrV",
"LShiftVB","LShiftVS","LShiftVI","LShiftVL",
"RShiftVB","RShiftVS","RShiftVI","RShiftVL",
"URShiftVB","URShiftVS","URShiftVI","URShiftVL",
"ReplicateB","ReplicateS","ReplicateI","ReplicateL","ReplicateF","ReplicateD",
"LoadVector","StoreVector",
// Next are not supported currently.
"PackB","PackS","PackI","PackL","PackF","PackD","Pack2L","Pack2D",
"ExtractB","ExtractUB","ExtractC","ExtractS","ExtractI","ExtractL","ExtractF","ExtractD"
};
int cnt = sizeof(vector_list)/sizeof(char*);
if (_rChild) {
const char *opType = _rChild->_opType;
if( strcmp(opType,"ReplicateB")==0 ||
strcmp(opType,"ReplicateS")==0 ||
strcmp(opType,"ReplicateI")==0 ||
strcmp(opType,"ReplicateL")==0 ||
strcmp(opType,"ReplicateF")==0 ||
strcmp(opType,"ReplicateD")==0 ||
strcmp(opType,"LoadVector")==0 ||
strcmp(opType,"StoreVector")==0 ||
0 /* 0 to line up columns nicely */ )
return true;
for (int i=0; i<cnt; i++)
if (strcmp(opType,vector_list[i]) == 0)
return true;
}
return false;
}