292 "lp64_product means flag is always constant in 32 bit VM") \ |
292 "lp64_product means flag is always constant in 32 bit VM") \ |
293 \ |
293 \ |
294 lp64_product(bool, CheckCompressedOops, trueInDebug, \ |
294 lp64_product(bool, CheckCompressedOops, trueInDebug, \ |
295 "generate checks in encoding/decoding code") \ |
295 "generate checks in encoding/decoding code") \ |
296 \ |
296 \ |
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297 product(bool, UseImplicitNullCheckForNarrowOop, true, \ |
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298 "generate implicit null check in indexed addressing mode.") \ |
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299 \ |
297 /* UseMembar is theoretically a temp flag used for memory barrier \ |
300 /* UseMembar is theoretically a temp flag used for memory barrier \ |
298 * removal testing. It was supposed to be removed before FCS but has \ |
301 * removal testing. It was supposed to be removed before FCS but has \ |
299 * been re-added (see 6401008) */ \ |
302 * been re-added (see 6401008) */ \ |
300 product(bool, UseMembar, false, \ |
303 product(bool, UseMembar, false, \ |
301 "(Unstable) Issues membars on thread state transitions") \ |
304 "(Unstable) Issues membars on thread state transitions") \ |