commit | ca2db2ad533f5bc45ecf617015432c28f6905de3 | [log] [tgz] |
---|---|---|
author | Martin Kustermann <kustermann@google.com> | Thu Jan 17 17:53:52 2019 +0000 |
committer | commit-bot@chromium.org <commit-bot@chromium.org> | Thu Jan 17 17:53:52 2019 +0000 |
tree | 9ae79f8fad2c505a7b7ecabd384c6d80147dc5bf | |
parent | ac1bf656c4c2c291bf2cb6d2027f191290d15792 [diff] |
[VM/Compiler/AOT] Bare instructions 8: Improve AOT code by using pc-relative calls This CL improves AOT code for StackOverflowInstr/CheckNullInstr: * On ARM we can do a conditional pc-relative calls for the stack overflow checks, getting rid of the slow-paths entirely. * On ARM64 we can do pc-relative calls on the slow path, avoiding an extra load. Flutter gallery size impact (in bare instructions mode): * ARM: -3.7% RX * ARM64: -1.4% RX Issue https://github.com/dart-lang/sdk/issues/33274 Change-Id: Ia1acd76ac6efa26642f99e1ce3e417100aa357f3 Reviewed-on: https://dart-review.googlesource.com/c/89620 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
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