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6961690: load oops from constant table on SPARC

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Oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.

Reviewed-by: never, kvn
This commit is contained in:
Christian Thalinger 2010-12-03 01:34:31 -08:00
parent ab725dba1d
commit ffaadcecea
31 changed files with 1795 additions and 830 deletions
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39
hotspot/src/cpu/sparc/vm/assembler_sparc.cpp
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@ -1443,6 +1443,45 @@ void MacroAssembler::set64(jlong value, Register d, Register tmp) {
}
}
int MacroAssembler::size_of_set64(jlong value) {
v9_dep();
int hi = (int)(value >> 32);
int lo = (int)(value & ~0);
int count = 0;
// (Matcher::isSimpleConstant64 knows about the following optimizations.)
if (Assembler::is_simm13(lo) && value == lo) {
count++;
} else if (hi == 0) {
count++;
if (low10(lo) != 0)
count++;
}
else if (hi == -1) {
count += 2;
}
else if (lo == 0) {
if (Assembler::is_simm13(hi)) {
count++;
} else {
count++;
if (low10(hi) != 0)
count++;
}
count++;
}
else {
count += 2;
if (low10(hi) != 0)
count++;
if (low10(lo) != 0)
count++;
count += 2;
}
return count;
}
// compute size in bytes of sparc frame, given
// number of extraWords
int MacroAssembler::total_frame_size_in_bytes(int extraWords) {