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/* Copyright 2025 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
volatile void dummy () {}
long test_function(void)
{
__asm__ volatile (
/* Clear xmm0. */
"vxorps %%xmm0, %%xmm0, %%xmm0\n\t"
/* Move the frame pointer (rbp) to xmm0. */
"movq %%rbp, %%xmm0\n\t"
/* CFI: Frame pointer is in xmm0. */
".cfi_register %%rbp, %%xmm0\n\t"
/* Clobber list: Specify all modified registers */
: // No output operands
: // No input operands
: "xmm0"
);
dummy (); /* break-here */
/* Pseudo-epilogue: Restore rbp from xmm0. */
__asm__ volatile (
/* Restore rbp. */
"movq %%xmm0, %%rbp\n\t"
/* Describe CFI: Frame pointer is restored. */
".cfi_restore %%rbp\n\t"
/* Clobber list: Specify all modified registers */
: /* No output operands. */
: /* No input operands. */
: /* Despite clobbering rbp, gcc doesn't let us list it here. */
);
return 0;
}
int
main ()
{
long result = test_function ();
dummy ();
return 0;
}
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