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kselftest/arm64: Align zt-test register dumps

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The zt-test output is awkward to read, as the 'Expected' value isn't
dumped on its own line and isn't aligned with the 'Got' value beneath.
For example:

  Mismatch: PID=5281, iteration=3270249   Expected [00a1146901a1146902a1146903a1146904a1146905a1146906a1146907a1146908a1146909a114690aa114690ba114690ca114690da114690ea114690fa11469]
          Got      [00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
          SVCR: 2

Add a newline, matching the other FPSIMD/SVE/SME tests, so that we get
output that can be read more easily:

  Mismatch: PID=5281, iteration=3270249
          Expected [00a1146901a1146902a1146903a1146904a1146905a1146906a1146907a1146908a1146909a114690aa114690ba114690ca114690da114690ea114690fa11469]
          Got      [00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
          SVCR: 2

Admittedly this isn't all that important when the 'Got' value is all
zeroes, but otherwise this would be a major help for identifying which
portion of the 'Got' value is not as expected.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kselftest@vger.kernel.org
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Mark Rutland
2025-11-03 16:04:17 +00:00
committed by Catalin Marinas
parent 3a86608788
commit a7717cad61
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/arm64/fp/zt-test.S
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@@ -276,7 +276,7 @@ function barf
bl putdec
puts ", iteration="
mov x0, x22
bl putdec
bl putdecn
puts "\tExpected ["
mov x0, x10
mov x1, x12