Viewing file:  pr87600-1.c (1.05 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* PR rtl-optimization/87600 */
/* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* powerpc*-*-* s390*-*-* x86_64-*-* } } */
/* { dg-options "-O2" } */
#include "pr87600.h"
/* The following are all valid uses of local register variables. */
long
test0 (long arg)
{
register long var asm (REG1);
asm ("blah %0 %1" : "+&r" (var) : "r" (arg));
return var;
}
long
test1 (long arg0, long arg1)
{
register long var asm (REG1);
asm ("blah %0, %1, %2" : "=&r" (var) : "r" (arg0), "0" (arg1));
return var + arg1;
}
long
test2 (void)
{
register long var1 asm (REG1);
register long var2 asm (REG1);
asm ("blah %0 %1" : "=&r" (var1) : "0" (var2));
return var1;
}
long
test3 (void)
{
register long var1 asm (REG1);
register long var2 asm (REG2);
long var3;
asm ("blah %0 %1" : "=&r" (var1), "=r" (var3) : "1" (var2));
return var1 + var3;
}
long
test4 (void)
{
register long var1 asm (REG1);
register long var2 asm (REG2);
register long var3 asm (REG2);
asm ("blah %0 %1" : "=&r" (var1), "=r" (var2) : "1" (var3));
return var1;
}
|
