gcc/testsuite/gcc.target/aarch64/tst-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 volatile unsigned int w0, w1;
   5 volatile int result;
   6
   7 void test_si() {
   8   /* { dg-final { scan-assembler "tst\tw\[0-9\]*, w\[0-9\]*\n" } } */
   9   result = !(w0 & w1);
  10   /* { dg-final { scan-assembler "tst\tw\[0-9\]*, \(0x\[0-9a-fA-F\]+\)|\(\[0-9\]+\)" } } */
  11   result = !(w0 & 0x00f0);
  12   /* { dg-final { scan-assembler "tst\tw\[0-9\]*.*lsl 4" } } */
  13   result = !(w0 & (w1 << 4));
  14 }
  15
  16 void test_si_tbnz() {
  17   /* { dg-final { scan-assembler "tbnz\t\[wx\]\[0-9\]*" } } */
  18 jumpto:
  19   if (w0 & 0x08) goto jumpto;
  20 }
  21
  22 void test_si_tbz() {
  23   /* { dg-final { scan-assembler "tbz\t\[wx\]\[0-9\]*" } } */
  24 jumpto:
  25   if (!(w1 & 0x08)) goto jumpto;
  26 }
  27
  28 volatile unsigned long long x0, x1;
  29
  30 void test_di() {
  31   /* { dg-final { scan-assembler "tst\tx\[0-9\]*, x\[0-9\]*\n" } } */
  32   result = !(x0 & x1);
  33   /* { dg-final { scan-assembler "tst\tx\[0-9\]*, \(0x\[0-9a-fA-F\]+\)|\(\[0-9\]+\)" } } */
  34   result = !(x0 & 0x00f0);
  35   /* { dg-final { scan-assembler "tst\tx\[0-9\]*.*lsl 4" } } */
  36   result = !(x0 & (x1 << 4));
  37 }
  38
  39 void test_di_tbnz() {
  40   /* { dg-final { scan-assembler "tbnz\tx\[0-9\]*" } } */
  41 jumpto:
  42   if (x0 & 0x08) goto jumpto;
  43 }
  44
  45 void test_di_tbz() {
  46   /* { dg-final { scan-assembler "tbz\tx\[0-9\]*" } } */
  47 jumpto:
  48   if (!(x1 & 0x08)) goto jumpto;
  49 }