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| author | H.J. Lu <hjl.tools@gmail.com> | 2025-07-24 07:38:13 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2025-07-28 08:05:58 -0700 |
| commit | 5760ddbce26ff9c5c8851b6b2089ad65981d5078 (patch) | |
| tree | af2c2f79acb8e032e2f0282b1f66d7a835398371 /gcc/objcp | |
| parent | 86dc3b61c37946f1467466303ed29a143a952f35 (diff) | |
| download | gcc-master.zip gcc-master.tar.gz gcc-master.tar.bz2 | |
__tls_get_addr doesn't preserve vector registers. When a function
with no_caller_saved_registers attribute calls __tls_get_addr, YMM
and ZMM registers will be clobbered. Issue an error and suggest
-mtls-dialect=gnu2 in this case.
gcc/
PR target/121208
* config/i386/i386.cc (ix86_tls_get_addr): Issue an error for
-mtls-dialect=gnu with no_caller_saved_registers attribute and
suggest -mtls-dialect=gnu2.
gcc/testsuite/
PR target/121208
* gcc.target/i386/pr121208-1a.c: New test.
* gcc.target/i386/pr121208-1b.c: Likewise.
* gcc.target/i386/pr121208-2a.c: Likewise.
* gcc.target/i386/pr121208-2b.c: Likewise.
* gcc.target/i386/pr121208-3a.c: Likewise.
* gcc.target/i386/pr121208-3b.c: Likewise.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'gcc/objcp')
0 files changed, 0 insertions, 0 deletions