kselftest/arm64: Add a no-SVE loop after SVE in fp-pidbench

Some applications use SVE intermittently, one common case being where SVE
is used during statup (eg, by ld.so) but then rarely if ever during the
main application runtime. Add a repeat of the no SVE loop after we've done
the SVE loops to fp-pidbench to capture results for that.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/tools/testing/selftests/arm64/fp/fp-pidbench.S b/tools/testing/selftests/arm64/fp/fp-pidbench.S
index 73830f6bc99b69f4de006145956eee9af3821579..aeeadc7873dc1456da892524ecc58b8b43bfe25b 100644 (file)
--- a/tools/testing/selftests/arm64/fp/fp-pidbench.S
+++ b/tools/testing/selftests/arm64/fp/fp-pidbench.S
@@ -63,6 +63,10 @@ function _start
        puts    "SVE used per syscall: "
        test_loop "rdvl x0, #8"
 
+       // Test non-SVE execution after SVE
+       puts    "No SVE after SVE: "
+       test_loop
+
        //  And we're done
 out:
        mov     x0, #0