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Diffstat (limited to 'results/classifier/gemma3:27b/runtime/1908551')
| -rw-r--r-- | results/classifier/gemma3:27b/runtime/1908551 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/results/classifier/gemma3:27b/runtime/1908551 b/results/classifier/gemma3:27b/runtime/1908551 new file mode 100644 index 00000000..42a66cbf --- /dev/null +++ b/results/classifier/gemma3:27b/runtime/1908551 @@ -0,0 +1,57 @@ + + + +aarch64 SVE emulation breaks strnlen and strrchr + +arm optimized-routines have sve string functions with test code. + +the test worked up until recently: with qemu-5.2.0 i see + +$ qemu-aarch64 build/bin/test/strnlen +PASS strnlen +PASS __strnlen_aarch64 +__strnlen_aarch64_sve (0x490fa0, 32) len 32 returned 64, expected 32 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80" +__strnlen_aarch64_sve (0x490fa0, 32) len 33 returned 64, expected 32 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80a" +__strnlen_aarch64_sve (0x490fa0, 33) len 33 returned 64, expected 33 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80a" +__strnlen_aarch64_sve (0x490fa0, 32) len 34 returned 64, expected 32 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80ab" +__strnlen_aarch64_sve (0x490fa0, 33) len 34 returned 64, expected 33 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80ab" +__strnlen_aarch64_sve (0x490fa0, 34) len 34 returned 64, expected 34 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80ab" +__strnlen_aarch64_sve (0x490fa0, 32) len 35 returned 64, expected 32 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80a\x00c" +__strnlen_aarch64_sve (0x490fa0, 33) len 35 returned 64, expected 33 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80ab\x00" +__strnlen_aarch64_sve (0x490fa0, 34) len 35 returned 64, expected 34 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80abc" +__strnlen_aarch64_sve (0x490fa0, 35) len 35 returned 64, expected 35 +input: "abcdefghijklmnopqrstuvwxyz\{|}~\x7f\x80abc" +FAIL __strnlen_aarch64_sve + +however the test passes with + +qemu-aarch64 -cpu max,sve-max-vq=2 + +there should be nothing vector length specific in the code. + +i haven't debugged it further, to reproduce the issue clone +https://github.com/ARM-software/optimized-routines + +and run 'make build/bin/test/strnlen' with a config.mk like + +SUBS = string +ARCH = aarch64 +CROSS_COMPILE = aarch64-none-linux-gnu- +CC = $(CROSS_COMPILE)gcc +CFLAGS = -std=c99 -pipe -O3 +CFLAGS += -march=armv8.2-a+sve +EMULATOR = qemu-aarch64 + +(native compilation works too, and you can run 'make check' to +run all string tests) this will build a static linked executable +into build/bin/test. if you want a smaller test case edit +string/test/strnlen.c \ No newline at end of file |