binutils-gdb/gdb/testsuite/gdb.arch/aarch64-fp.c
Alan Hayward 2ecae92e23 Fix asm in testsuite/gdb.arch/aarch64-fp.c
Cannot assume result of first and third ldr will go into x0.
Rewrite asm to be clearer.

gdb/testsuite/

	PR gdb/18931:
	* gdb.arch/aarch64-fp.c (main): Fix asm registers.
2018-08-17 11:10:24 +01:00

45 lines
1.3 KiB
C

/* This file is part of GDB, the GNU debugger.
Copyright 2008-2018 Free Software Foundation, Inc.
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/>. */
int
main (void)
{
char buf0[] = {0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f};
char buf1[] = {0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f};
long val;
void *addr;
addr = &buf0[0];
__asm __volatile ("ldr %x0, [%1]\n\t"
"ldr q0, [%x0]"
: "=r" (val)
: "r" (&addr)
: "q0" );
addr = &buf1[0];
__asm __volatile ("ldr %x0, [%1]\n\t"
"ldr q1, [%x0]"
: "=r" (val)
: "r" (&addr)
: "q1" );
return 1;
}