/* { dg-do run } */ /* { dg-options "-O2 --save-temps -fno-inline" } */ extern void abort (void); int subs_si_test1 (int a, int b, int c) { int d = a - b; /* { dg-final { scan-assembler-not "subs\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+" } } */ /* { dg-final { scan-assembler "sub\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+" } } */ if (d <= 0) return a + c; else return b + d + c; } int subs_si_test2 (int a, int b, int c) { int d = a - 0xfff; /* { dg-final { scan-assembler-not "subs\tw\[0-9\]+, w\[0-9\]+, #4095" } } */ /* { dg-final { scan-assembler "sub\tw\[0-9\]+, w\[0-9\]+, #4095" } } */ if (d <= 0) return a + c; else return b + d + c; } int subs_si_test3 (int a, int b, int c) { int d = a - (b << 3); /* { dg-final { scan-assembler-not "subs\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+, lsl 3" } } */ /* { dg-final { scan-assembler "sub\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+, lsl 3" } } */ if (d <= 0) return a + c; else return b + d + c; } typedef long long s64; s64 subs_di_test1 (s64 a, s64 b, s64 c) { s64 d = a - b; /* { dg-final { scan-assembler-not "subs\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+" } } */ /* { dg-final { scan-assembler "sub\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+" } } */ if (d <= 0) return a + c; else return b + d + c; } s64 subs_di_test2 (s64 a, s64 b, s64 c) { s64 d = a - 0x1000ll; /* { dg-final { scan-assembler-not "subs\tx\[0-9\]+, x\[0-9\]+, #4096" } } */ /* { dg-final { scan-assembler "sub\tx\[0-9\]+, x\[0-9\]+, #4096" } } */ if (d <= 0) return a + c; else return b + d + c; } s64 subs_di_test3 (s64 a, s64 b, s64 c) { s64 d = a - (b << 3); /* { dg-final { scan-assembler-not "subs\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+, lsl 3" } } */ /* { dg-final { scan-assembler "sub\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+, lsl 3" } } */ if (d <= 0) return a + c; else return b + d + c; } int main () { int x; s64 y; x = subs_si_test1 (29, 4, 5); if (x != 34) abort (); x = subs_si_test1 (5, 2, 20); if (x != 25) abort (); x = subs_si_test2 (29, 4, 5); if (x != 34) abort (); x = subs_si_test2 (1024, 2, 20); if (x != 1044) abort (); x = subs_si_test3 (35, 4, 5); if (x != 12) abort (); x = subs_si_test3 (5, 2, 20); if (x != 25) abort (); y = subs_di_test1 (0x130000029ll, 0x320000004ll, 0x505050505ll); if (y != 0x63505052e) abort (); y = subs_di_test1 (0x5000500050005ll, 0x2111211121112ll, 0x0000000002020ll); if (y != 0x5000500052025) abort (); y = subs_di_test2 (0x130000029ll, 0x320000004ll, 0x505050505ll); if (y != 0x95504f532) abort (); y = subs_di_test2 (0x540004100ll, 0x320000004ll, 0x805050205ll); if (y != 0x1065053309) abort (); y = subs_di_test3 (0x130000029ll, 0x064000008ll, 0x505050505ll); if (y != 0x63505052e) abort (); y = subs_di_test3 (0x130002900ll, 0x088000008ll, 0x505050505ll); if (y != 0x635052e05) abort (); return 0; } /* { dg-final { cleanup-saved-temps } } */