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7063628: Use cbcond on T4

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Add new short branch instruction to Hotspot sparc assembler.

Reviewed-by: never, twisti, jrose
This commit is contained in:
Vladimir Kozlov 2011-07-21 11:25:07 -07:00
parent aa16309657
commit 48c1293916
30 changed files with 966 additions and 1097 deletions
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5
hotspot/src/share/vm/opto/machnode.cpp
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@ -409,7 +409,7 @@ void MachNode::add_case_label( int index_num, Label* blockLabel) {
//------------------------------label_set--------------------------------------
// Set the Label for a LabelOper, if an operand for this instruction
void MachNode::label_set( Label& label, uint block_num ) {
void MachNode::label_set( Label* label, uint block_num ) {
ShouldNotCallThis();
}
@ -514,6 +514,9 @@ void MachNullCheckNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
void MachNullCheckNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
// only emits entries in the null-pointer exception handler table
}
void MachNullCheckNode::label_set(Label* label, uint block_num) {
// Nothing to emit
}
const RegMask &MachNullCheckNode::in_RegMask( uint idx ) const {
if( idx == 0 ) return RegMask::Empty;