gcc/testsuite/gcc.target/s390/target-attribute/tattr-12.c

   1 /* Functional tests for the "target" attribute and pragma.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-require-effective-target target_attribute } */
   5 /* { dg-options "-O3 -march=z13 -mstack-guard=0 -mstack-size=512" } */
   6
   7 extern char *bar(int x);
   8
   9 void da(int x)
  10 {
  11   bar(x);
  12   bar(x + 1);
  13   /* { dg-final { scan-assembler-times "\ttmll\t%r15,256" 2 { target { lp64 } } } } */
  14   /* { dg-final { scan-assembler-times "\ttml\t%r15,384" 2 { target { ! lp64 } } } } */
  15 }
  16
  17 #pragma GCC target("stack-size=1024,stack-guard=0")
  18 void p1(int x)
  19 {
  20   bar(x);
  21   bar(x + 1);
  22   /* { dg-final { scan-assembler-times "\ttmll\t%r15,768" 1 { target { lp64 } } } } */
  23   /* { dg-final { scan-assembler-times "\ttml\t%r15,896" 1 { target { ! lp64 } } } } */
  24 }
  25 #pragma GCC reset_options
  26
  27 #pragma GCC target("stack-size=2048,stack-guard=0")
  28 void p0(int x)
  29 {
  30   bar(x);
  31   bar(x + 1);
  32   /* { dg-final { scan-assembler-times "\ttmll\t%r15,1792" 1 { target { lp64 } } } } */
  33   /* { dg-final { scan-assembler-times "\ttml\t%r15,1920" 1 { target { ! lp64 } } } } */
  34 }
  35 #pragma GCC reset_options
  36
  37 __attribute__ ((target("stack-size=4096,stack-guard=0")))
  38 void a1(int x)
  39 {
  40   bar(x);
  41   bar(x + 1);
  42   /* { dg-final { scan-assembler-times "\ttmll\t%r15,3840" 1 { target { lp64 } } } } */
  43   /* { dg-final { scan-assembler-times "\ttml\t%r15,3968" 1 { target { ! lp64 } } } } */
  44 }
  45
  46 __attribute__ ((target("stack-size=8192,stack-guard=0")))
  47 void a0(int x)
  48 {
  49   bar(x);
  50   bar(x + 1);
  51   /* { dg-final { scan-assembler-times "\ttmll\t%r15,7936" 1 { target { lp64 } } } } */
  52   /* { dg-final { scan-assembler-times "\ttml\t%r15,8064" 1 { target { ! lp64 } } } } */
  53 }
  54
  55 void d(int x)
  56 {
  57   bar(x);
  58   bar(x + 1);
  59 }