| /* { 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; |
| } |
| |