Viewing file:  pr77933-2.c (1.06 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-skip-if "" { ! { arm_thumb1_ok || arm_thumb2_ok } } } */
/* { dg-skip-if "r9 is reserved in FDPIC" { arm*-*-uclinuxfdpiceabi } "*" "" } */
/* { dg-options "-mthumb -O2 -mtpcs-leaf-frame" } */
__attribute__ ((noinline, noclone)) void
clobber_lr_and_highregs (void)
{
__asm__ volatile ("" : : : "r8", "r9", "lr");
}
int
main (void)
{
int ret;
__asm volatile ("mov\tr4, #0xf4\n\t"
"mov\tr5, #0xf5\n\t"
"mov\tr6, #0xf6\n\t"
"mov\tr7, #0xf7\n\t"
"mov\tr0, #0xf8\n\t"
"mov\tr8, r0\n\t"
"mov\tr0, #0xfa\n\t"
"mov\tr10, r0"
: : : "r0", "r4", "r5", "r6", "r7", "r8", "r10");
clobber_lr_and_highregs ();
__asm volatile ("cmp\tr4, #0xf4\n\t"
"bne\tfail\n\t"
"cmp\tr5, #0xf5\n\t"
"bne\tfail\n\t"
"cmp\tr6, #0xf6\n\t"
"bne\tfail\n\t"
"cmp\tr7, #0xf7\n\t"
"bne\tfail\n\t"
"mov\tr0, r8\n\t"
"cmp\tr0, #0xf8\n\t"
"bne\tfail\n\t"
"mov\tr0, r10\n\t"
"cmp\tr0, #0xfa\n\t"
"bne\tfail\n\t"
"mov\t%0, #1\n"
"fail:\n\t"
"sub\tr0, #1"
: "=r" (ret) : :);
return ret;
}
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