301 \ |
301 \ |
302 lp64_product(bool, UseCompressedOops, false, \ |
302 lp64_product(bool, UseCompressedOops, false, \ |
303 "Use 32-bit object references in 64-bit VM. " \ |
303 "Use 32-bit object references in 64-bit VM. " \ |
304 "lp64_product means flag is always constant in 32 bit VM") \ |
304 "lp64_product means flag is always constant in 32 bit VM") \ |
305 \ |
305 \ |
306 lp64_product(bool, CheckCompressedOops, trueInDebug, \ |
306 notproduct(bool, CheckCompressedOops, true, \ |
307 "generate checks in encoding/decoding code") \ |
307 "generate checks in encoding/decoding code in debug VM") \ |
308 \ |
308 \ |
309 product(bool, UseImplicitNullCheckForNarrowOop, true, \ |
309 product_pd(uintx, HeapBaseMinAddress, \ |
310 "generate implicit null check in indexed addressing mode.") \ |
310 "OS specific low limit for heap base address") \ |
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311 \ |
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312 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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313 "Print compressed oops base address and encoding mode") \ |
311 \ |
314 \ |
312 /* UseMembar is theoretically a temp flag used for memory barrier \ |
315 /* UseMembar is theoretically a temp flag used for memory barrier \ |
313 * removal testing. It was supposed to be removed before FCS but has \ |
316 * removal testing. It was supposed to be removed before FCS but has \ |
314 * been re-added (see 6401008) */ \ |
317 * been re-added (see 6401008) */ \ |
315 product(bool, UseMembar, false, \ |
318 product(bool, UseMembar, false, \ |