File: save-restore-3.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (17 lines) | stat: -rw-r--r-- 516 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
/* { dg-options "-msave-restore" } */
/* { dg-skip-if "" { *-*-* } { "-O0" "-O1" "-Og" } } */

/* With -msave-restore in use GCC should be able to remove the calls to the
   save and restore stubs in this case, replacing them with a tail call to
   foo.  */

extern int foo ();

int bar ()
{
  return foo ();
}

/* { dg-final { scan-assembler-not "call\[ \t\]*t0,__riscv_save_0" } } */
/* { dg-final { scan-assembler-not "tail\[ \t\]*__riscv_restore_0" } } */
/* { dg-final { scan-assembler "tail\[ \t\]*foo" } } */