Integrated: 8292338: aarch64: Use cbnz instruction in gen_continuation_enter when possible
Fei Yang
fyang at openjdk.org
Tue Aug 16 07:20:57 UTC 2022
On Mon, 15 Aug 2022 01:52:35 GMT, Fei Yang <fyang at openjdk.org> wrote:
> This is a trivial improvement for gen_continuation_enter on AArch64.
> On AAch64, we can combine Compare and Branch on Zero/Nonzero into CBZ/CBNZ to save one instruction.
> Tier1 tested with fastdebug build on aarch64-linux-gnu.
This pull request has now been integrated.
Changeset: d1edda8f
Author: Fei Yang <fyang at openjdk.org>
URL: https://git.openjdk.org/jdk/commit/d1edda8ff52e172a85d102d7d5062b9cc401beea
Stats: 4 lines in 1 file changed: 0 ins; 2 del; 2 mod
8292338: aarch64: Use cbnz instruction in gen_continuation_enter when possible
Reviewed-by: haosun, shade, aph
-------------
PR: https://git.openjdk.org/jdk/pull/9872
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