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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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10
hotspot/src/share/vm/opto/compile.cpp
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@ -517,7 +517,17 @@ uint Compile::scratch_emit_size(const Node* n) {
buf.stubs()->initialize_shared_locs( &locs_buf[lsize * 2], lsize);
// Do the emission.
Label fakeL; // Fake label for branch instructions.
bool is_branch = n->is_Branch() && n->as_Mach()->ideal_Opcode() != Op_Jump;
if (is_branch) {
MacroAssembler masm(&buf);
masm.bind(fakeL);
n->as_Mach()->label_set(&fakeL, 0);
}
n->emit(buf, this->regalloc());
if (is_branch) // Clear the reference to fake label.
n->as_Mach()->label_set(NULL, 0);
// End scratch_emit_size section.
set_in_scratch_emit_size(false);