• Sathya Gunasekaran's avatar
    Revert "Reland "[objects] Change String::length field to uint32_t."" · 350dfb62
    Sathya Gunasekaran authored
    This reverts commit a03cec2c.
    
    Reason for revert: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/21320
    
    Original change's description:
    > Reland "[objects] Change String::length field to uint32_t."
    > 
    > This is a reland of 1f1eb625, the
    > breakage on the GCStress bot seems to be unrelated (maybe flushed
    > out by this change). We decided to reland to figure out whether it's
    > a random flake or really triggered by this particular change.
    > 
    > Original change's description:
    > > [objects] Change String::length field to uint32_t.
    > >
    > > This changes the Name::hash_field and Symbol::flags to uint32_t as
    > > well, so that both Symbols and Strings consume one fewer word on 64-bit
    > > architectures now. More importantly the access to String::length is
    > > always a 32-bit field load now, even with 31-bit Smis (i.e. on ARM or
    > > on 64-bit with pointer compression), so the access should be faster.
    > >
    > > Bug: v8:7065, v8:8171
    > > Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;luci.v8.try:v8_linux_noi18n_rel_ng
    > > Change-Id: I5523deb1f84ece91fa2fea775d50318bd1300493
    > > Reviewed-on: https://chromium-review.googlesource.com/1221288
    > > Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    > > Reviewed-by: Yang Guo <yangguo@chromium.org>
    > > Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
    > > Reviewed-by: Igor Sheludko <ishell@chromium.org>
    > > Cr-Commit-Position: refs/heads/master@{#55825}
    > 
    > Bug: v8:7065, v8:8171
    > Tbr: tebbi@chromium.org, yangguo@chromium.org, ishell@chromium.org, ulan@chromium.org
    > Change-Id: I2be24ac018591c04c826e7e8db82e007b738d156
    > Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;luci.v8.try:v8_linux_noi18n_rel_ng
    > Reviewed-on: https://chromium-review.googlesource.com/1222308
    > Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    > Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#55838}
    
    TBR=yangguo@chromium.org,tebbi@chromium.org,ishell@chromium.org,bmeurer@chromium.org
    
    Change-Id: Ic741c3d407d4257a8c86b3082b9a19e33dc89215
    No-Presubmit: true
    No-Tree-Checks: true
    No-Try: true
    Bug: v8:7065, v8:8171
    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;luci.v8.try:v8_linux_noi18n_rel_ng
    Reviewed-on: https://chromium-review.googlesource.com/1222368Reviewed-by: 's avatarSathya Gunasekaran <gsathya@chromium.org>
    Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#55839}
    350dfb62
code-stub-assembler.cc 475 KB