Reland "Reland "[regalloc] Introduce deferred fixed ranges""
This is a reland of 1ca08865 Original change's description: > Reland "[regalloc] Introduce deferred fixed ranges" > > This is a reland of b1769313 > > Original change's description: > > [regalloc] Introduce deferred fixed ranges > > > > Fixed ranges are used to express register constraints in the > > allocator. This change splits these fixed ranges into one for > > normal code and deferred code. The former are handeled as before > > whereas the latter are only made visible while allocating > > registers for deferred code. > > > > This prevents forward looking decisions in normal code to be > > impacted by register constraints from deferred code. > > > > Change-Id: I67d562bb41166194e62765d5ab051bc961054fc7 > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1477742 > > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > > Reviewed-by: Sigurd Schneider <sigurds@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#60322} > > Change-Id: I1a31150256eb5608db985b144aab7ea457169d0d > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1530810 > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > Cr-Commit-Position: refs/heads/master@{#60364} Change-Id: If4a956716e7e4de132f706be2c395cdfdc04ec94 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1532328Reviewed-by:Jaroslav Sevcik <jarin@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#60408}
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