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7097546: Optimize use of CMOVE instructions

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Avoid CMove in a loop if possible. May generate CMove if it could be moved outside a loop.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2011-10-26 06:08:56 -07:00
parent 952f0b9b81
commit 669fa7396d
6 changed files with 144 additions and 40 deletions
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13
hotspot/src/share/vm/compiler/compileBroker.cpp
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@ -1722,11 +1722,11 @@ void CompileBroker::invoke_compiler_on_method(CompileTask* task) {
if (PrintCompilation) {
const char* reason = ci_env.failure_reason();
if (compilable == ciEnv::MethodCompilable_not_at_tier) {
tty->print_cr("%3d COMPILE SKIPPED: %s (retry at different tier)", compile_id, reason);
tty->print_cr("%4d COMPILE SKIPPED: %s (retry at different tier)", compile_id, reason);
} else if (compilable == ciEnv::MethodCompilable_never) {
tty->print_cr("%3d COMPILE SKIPPED: %s (not retryable)", compile_id, reason);
tty->print_cr("%4d COMPILE SKIPPED: %s (not retryable)", compile_id, reason);
} else if (compilable == ciEnv::MethodCompilable) {
tty->print_cr("%3d COMPILE SKIPPED: %s", compile_id, reason);
tty->print_cr("%4d COMPILE SKIPPED: %s", compile_id, reason);
}
}
} else {
@ -1743,6 +1743,13 @@ void CompileBroker::invoke_compiler_on_method(CompileTask* task) {
collect_statistics(thread, time, task);
if (PrintCompilation && PrintInlining) {
tty->print("%7d ", (int) tty->time_stamp().milliseconds()); // print timestamp
tty->print("%4d ", compile_id); // print compilation number
tty->print("%s ", (is_osr ? "%" : " "));
tty->print_cr("size: %d time: %d inlined: %d bytes", task->code()->total_size(), time.milliseconds(), task->num_inlined_bytecodes());
}
if (compilable == ciEnv::MethodCompilable_never) {
if (is_osr) {
method->set_not_osr_compilable();