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8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
Add a new method, sun.hotspot.WhiteBox.isIntrinsicAvailable, that can be used to determine if an intrinsic is available. Reviewed-by: kvn, jrose
This commit is contained in:
Zoltan Majo
parent
f3d31d3866
commit
422cd18f23
14 changed files with 1347 additions and 607 deletions
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@ -324,6 +324,319 @@ vmIntrinsics::ID vmIntrinsics::for_raw_conversion(BasicType src, BasicType dest)
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return vmIntrinsics::_none;
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}
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bool vmIntrinsics::preserves_state(vmIntrinsics::ID id) {
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assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
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switch(id) {
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#ifdef TRACE_HAVE_INTRINSICS
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case vmIntrinsics::_classID:
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case vmIntrinsics::_threadID:
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case vmIntrinsics::_counterTime:
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#endif
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case vmIntrinsics::_currentTimeMillis:
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case vmIntrinsics::_nanoTime:
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case vmIntrinsics::_floatToRawIntBits:
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case vmIntrinsics::_intBitsToFloat:
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case vmIntrinsics::_doubleToRawLongBits:
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case vmIntrinsics::_longBitsToDouble:
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case vmIntrinsics::_getClass:
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case vmIntrinsics::_isInstance:
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case vmIntrinsics::_currentThread:
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case vmIntrinsics::_dabs:
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case vmIntrinsics::_dsqrt:
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case vmIntrinsics::_dsin:
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case vmIntrinsics::_dcos:
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case vmIntrinsics::_dtan:
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case vmIntrinsics::_dlog:
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case vmIntrinsics::_dlog10:
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case vmIntrinsics::_dexp:
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case vmIntrinsics::_dpow:
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case vmIntrinsics::_checkIndex:
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case vmIntrinsics::_Reference_get:
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case vmIntrinsics::_updateCRC32:
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case vmIntrinsics::_updateBytesCRC32:
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case vmIntrinsics::_updateByteBufferCRC32:
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return true;
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default:
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return false;
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}
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}
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bool vmIntrinsics::can_trap(vmIntrinsics::ID id) {
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assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
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switch(id) {
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#ifdef TRACE_HAVE_INTRINSICS
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case vmIntrinsics::_counterTime:
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#endif
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case vmIntrinsics::_currentTimeMillis:
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case vmIntrinsics::_nanoTime:
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case vmIntrinsics::_floatToRawIntBits:
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case vmIntrinsics::_intBitsToFloat:
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case vmIntrinsics::_doubleToRawLongBits:
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case vmIntrinsics::_longBitsToDouble:
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case vmIntrinsics::_currentThread:
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case vmIntrinsics::_dabs:
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case vmIntrinsics::_dsqrt:
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case vmIntrinsics::_dsin:
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case vmIntrinsics::_dcos:
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case vmIntrinsics::_dtan:
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case vmIntrinsics::_dlog:
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case vmIntrinsics::_dlog10:
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case vmIntrinsics::_dexp:
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case vmIntrinsics::_dpow:
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case vmIntrinsics::_updateCRC32:
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case vmIntrinsics::_updateBytesCRC32:
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case vmIntrinsics::_updateByteBufferCRC32:
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return false;
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default:
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return true;
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}
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}
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bool vmIntrinsics::does_virtual_dispatch(vmIntrinsics::ID id) {
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assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
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switch(id) {
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case vmIntrinsics::_hashCode:
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case vmIntrinsics::_clone:
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return true;
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break;
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default:
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return false;
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}
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}
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int vmIntrinsics::predicates_needed(vmIntrinsics::ID id) {
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assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
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switch (id) {
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case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
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case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
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return 1;
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case vmIntrinsics::_digestBase_implCompressMB:
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return 3;
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default:
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return 0;
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}
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}
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bool vmIntrinsics::is_disabled_by_flags(vmIntrinsics::ID id) {
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assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
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switch (id) {
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case vmIntrinsics::_isInstance:
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case vmIntrinsics::_isAssignableFrom:
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case vmIntrinsics::_getModifiers:
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case vmIntrinsics::_isInterface:
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case vmIntrinsics::_isArray:
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case vmIntrinsics::_isPrimitive:
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case vmIntrinsics::_getSuperclass:
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case vmIntrinsics::_Class_cast:
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case vmIntrinsics::_getLength:
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case vmIntrinsics::_newArray:
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if (!InlineClassNatives) return true;
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break;
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case vmIntrinsics::_currentThread:
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case vmIntrinsics::_isInterrupted:
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if (!InlineThreadNatives) return true;
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break;
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case vmIntrinsics::_floatToRawIntBits:
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case vmIntrinsics::_intBitsToFloat:
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case vmIntrinsics::_doubleToRawLongBits:
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case vmIntrinsics::_longBitsToDouble:
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case vmIntrinsics::_dabs:
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case vmIntrinsics::_dsqrt:
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case vmIntrinsics::_dsin:
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case vmIntrinsics::_dcos:
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case vmIntrinsics::_dtan:
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case vmIntrinsics::_dlog:
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case vmIntrinsics::_dexp:
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case vmIntrinsics::_dpow:
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case vmIntrinsics::_dlog10:
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case vmIntrinsics::_datan2:
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case vmIntrinsics::_min:
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case vmIntrinsics::_max:
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case vmIntrinsics::_floatToIntBits:
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case vmIntrinsics::_doubleToLongBits:
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if (!InlineMathNatives) return true;
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break;
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case vmIntrinsics::_arraycopy:
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if (!InlineArrayCopy) return true;
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break;
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case vmIntrinsics::_updateCRC32:
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case vmIntrinsics::_updateBytesCRC32:
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case vmIntrinsics::_updateByteBufferCRC32:
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if (!UseCRC32Intrinsics) return true;
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break;
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case vmIntrinsics::_getObject:
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case vmIntrinsics::_getBoolean:
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case vmIntrinsics::_getByte:
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case vmIntrinsics::_getShort:
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case vmIntrinsics::_getChar:
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case vmIntrinsics::_getInt:
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case vmIntrinsics::_getLong:
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case vmIntrinsics::_getFloat:
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case vmIntrinsics::_getDouble:
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case vmIntrinsics::_putObject:
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case vmIntrinsics::_putBoolean:
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case vmIntrinsics::_putByte:
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case vmIntrinsics::_putShort:
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case vmIntrinsics::_putChar:
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case vmIntrinsics::_putInt:
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case vmIntrinsics::_putLong:
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case vmIntrinsics::_putFloat:
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case vmIntrinsics::_putDouble:
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case vmIntrinsics::_getObjectVolatile:
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case vmIntrinsics::_getBooleanVolatile:
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case vmIntrinsics::_getByteVolatile:
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case vmIntrinsics::_getShortVolatile:
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case vmIntrinsics::_getCharVolatile:
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case vmIntrinsics::_getIntVolatile:
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case vmIntrinsics::_getLongVolatile:
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case vmIntrinsics::_getFloatVolatile:
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case vmIntrinsics::_getDoubleVolatile:
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case vmIntrinsics::_putObjectVolatile:
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case vmIntrinsics::_putBooleanVolatile:
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case vmIntrinsics::_putByteVolatile:
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case vmIntrinsics::_putShortVolatile:
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case vmIntrinsics::_putCharVolatile:
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case vmIntrinsics::_putIntVolatile:
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case vmIntrinsics::_putLongVolatile:
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case vmIntrinsics::_putFloatVolatile:
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case vmIntrinsics::_putDoubleVolatile:
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case vmIntrinsics::_getByte_raw:
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case vmIntrinsics::_getShort_raw:
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case vmIntrinsics::_getChar_raw:
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case vmIntrinsics::_getInt_raw:
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case vmIntrinsics::_getLong_raw:
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case vmIntrinsics::_getFloat_raw:
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case vmIntrinsics::_getDouble_raw:
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case vmIntrinsics::_putByte_raw:
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case vmIntrinsics::_putShort_raw:
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case vmIntrinsics::_putChar_raw:
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case vmIntrinsics::_putInt_raw:
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case vmIntrinsics::_putLong_raw:
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case vmIntrinsics::_putFloat_raw:
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case vmIntrinsics::_putDouble_raw:
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case vmIntrinsics::_putOrderedObject:
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case vmIntrinsics::_putOrderedLong:
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case vmIntrinsics::_putOrderedInt:
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case vmIntrinsics::_getAndAddInt:
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case vmIntrinsics::_getAndAddLong:
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case vmIntrinsics::_getAndSetInt:
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case vmIntrinsics::_getAndSetLong:
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case vmIntrinsics::_getAndSetObject:
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if (!InlineUnsafeOps) return true;
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break;
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case vmIntrinsics::_getShortUnaligned:
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case vmIntrinsics::_getCharUnaligned:
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case vmIntrinsics::_getIntUnaligned:
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case vmIntrinsics::_getLongUnaligned:
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case vmIntrinsics::_putShortUnaligned:
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case vmIntrinsics::_putCharUnaligned:
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case vmIntrinsics::_putIntUnaligned:
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case vmIntrinsics::_putLongUnaligned:
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case vmIntrinsics::_allocateInstance:
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case vmIntrinsics::_getAddress_raw:
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case vmIntrinsics::_putAddress_raw:
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if (!InlineUnsafeOps || !UseUnalignedAccesses) return true;
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break;
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case vmIntrinsics::_hashCode:
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if (!InlineObjectHash) return true;
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break;
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case vmIntrinsics::_aescrypt_encryptBlock:
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case vmIntrinsics::_aescrypt_decryptBlock:
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if (!UseAESIntrinsics) return true;
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break;
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case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
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case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
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if (!UseAESIntrinsics) return true;
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break;
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case vmIntrinsics::_sha_implCompress:
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if (!UseSHA1Intrinsics) return true;
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break;
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case vmIntrinsics::_sha2_implCompress:
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if (!UseSHA256Intrinsics) return true;
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break;
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case vmIntrinsics::_sha5_implCompress:
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if (!UseSHA512Intrinsics) return true;
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break;
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case vmIntrinsics::_digestBase_implCompressMB:
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if (!(UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics)) return true;
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break;
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case vmIntrinsics::_ghash_processBlocks:
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if (!UseGHASHIntrinsics) return true;
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break;
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case vmIntrinsics::_updateBytesCRC32C:
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case vmIntrinsics::_updateDirectByteBufferCRC32C:
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if (!UseCRC32CIntrinsics) return true;
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break;
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case vmIntrinsics::_copyMemory:
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if (!InlineArrayCopy || !InlineUnsafeOps) return true;
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break;
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#ifdef COMPILER1
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case vmIntrinsics::_checkIndex:
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if (!InlineNIOCheckIndex) return true;
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break;
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#endif // COMPILER1
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#ifdef COMPILER2
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case vmIntrinsics::_clone:
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case vmIntrinsics::_copyOf:
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case vmIntrinsics::_copyOfRange:
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// These intrinsics use both the objectcopy and the arraycopy
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// intrinsic mechanism.
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if (!InlineObjectCopy || !InlineArrayCopy) return true;
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break;
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case vmIntrinsics::_compareTo:
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if (!SpecialStringCompareTo) return true;
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break;
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case vmIntrinsics::_indexOf:
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if (!SpecialStringIndexOf) return true;
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break;
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case vmIntrinsics::_equals:
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if (!SpecialStringEquals) return true;
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break;
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case vmIntrinsics::_equalsC:
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if (!SpecialArraysEquals) return true;
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break;
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case vmIntrinsics::_encodeISOArray:
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if (!SpecialEncodeISOArray) return true;
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break;
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case vmIntrinsics::_getCallerClass:
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if (!InlineReflectionGetCallerClass) return true;
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break;
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case vmIntrinsics::_multiplyToLen:
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if (!UseMultiplyToLenIntrinsic) return true;
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break;
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case vmIntrinsics::_squareToLen:
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if (!UseSquareToLenIntrinsic) return true;
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break;
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case vmIntrinsics::_mulAdd:
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if (!UseMulAddIntrinsic) return true;
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break;
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case vmIntrinsics::_montgomeryMultiply:
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if (!UseMontgomeryMultiplyIntrinsic) return true;
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break;
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case vmIntrinsics::_montgomerySquare:
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if (!UseMontgomerySquareIntrinsic) return true;
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break;
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case vmIntrinsics::_addExactI:
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case vmIntrinsics::_addExactL:
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case vmIntrinsics::_decrementExactI:
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case vmIntrinsics::_decrementExactL:
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case vmIntrinsics::_incrementExactI:
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case vmIntrinsics::_incrementExactL:
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case vmIntrinsics::_multiplyExactI:
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case vmIntrinsics::_multiplyExactL:
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case vmIntrinsics::_negateExactI:
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case vmIntrinsics::_negateExactL:
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case vmIntrinsics::_subtractExactI:
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case vmIntrinsics::_subtractExactL:
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if (!UseMathExactIntrinsics || !InlineMathNatives) return true;
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break;
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#endif // COMPILER2
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default:
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return false;
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}
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return false;
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}
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#define VM_INTRINSIC_INITIALIZE(id, klass, name, sig, flags) #id "\0"
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static const char* vm_intrinsic_name_bodies =
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