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author | Shiven Kashyap <shivenkashyap24@gmail.com> | 2025-07-22 14:02:57 +0530 |
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committer | Guinevere Larsen <guinevere@redhat.com> | 2025-07-22 10:09:59 -0300 |
commit | 9087bd989b5ff3c02386fc66afc187f37d31aa34 (patch) | |
tree | 78ddd420e4a8aaad158e76b17c1b5a215aecc059 /libctf/testsuite/libctf-writable | |
parent | f6fc2b523161b7c459e7fc9ae80b288727071be9 (diff) | |
download | binutils-9087bd989b5ff3c02386fc66afc187f37d31aa34.zip binutils-9087bd989b5ff3c02386fc66afc187f37d31aa34.tar.gz binutils-9087bd989b5ff3c02386fc66afc187f37d31aa34.tar.bz2 |
Fix failing test: i386-avx-reverse
Running the standalone test `gdb.reverse` with the target board configuration `unix/-fPIE/-pie` leads to the following failure:
'''
FAIL: gdb.reverse/i386-avx-reverse.exp: verify ymm15 before vbroadcastsd
'''
This happens because the test expects values stored in `dyn_buf0`, but instead (in the test source) the address of the buffer itself
got broadcast to xmm15 (and thus to ymm15).
This happened because the pointer to the start of `dyn_buf0` wasn't dereferenced (see 'vpbroadcast_test' in 'i386-avx-reverse.c'):
'''
asm volatile ("vbroadcastss %0, %%xmm15": : "m" (dyn_buf0));
^
'''
and this consequently lead to the test failing for the next instruction (`vbroadcastsd`), which depended on the correct value being broadcast to the register.
Also, updated the corresponding expected output (gdb.reverse/i386-avx-reverse.exp) to match.
Tested on x86-64 Linux.
Signed-off-by: Shiven Kashyap <shivenkashyap24@gmail.com>
Approved-By: Guinevere Larsen <guinevere@redhat.com>
Diffstat (limited to 'libctf/testsuite/libctf-writable')
0 files changed, 0 insertions, 0 deletions