| /* { dg-do compile { target arm*-*-* alpha*-*-* ia64*-*-* x86_64-*-* s390x-*-* powerpc*-*-* rs6000-*-* } } */ |
| /* { dg-require-effective-target stdint_types } */ |
| /* { dg-require-effective-target lp64 } */ |
| /* { dg-options "-O -fdump-rtl-combine" } */ |
| |
| /* The branch cost setting prevents the return value from being |
| calculated with arithmetic instead of doing a compare. */ |
| /* { dg-additional-options "-mbranch-cost=0" { target s390x-*-* } } */ |
| |
| #include <stdint.h> |
| |
| #define BS(X) __builtin_bswap64(X) |
| |
| int foo1 (uint64_t a) |
| { |
| if (BS (a) == 0xA00000000) |
| return 1; |
| return 0; |
| } |
| |
| int foo2 (uint64_t a) |
| { |
| if (BS (a) != 0xA00000000) |
| return 1; |
| return 0; |
| } |
| |
| int foo3 (uint64_t a, uint64_t b) |
| { |
| if (BS (a) == BS (b)) |
| return 1; |
| return 0; |
| } |
| |
| int foo4 (uint64_t a, uint64_t b) |
| { |
| if (BS (a) != BS (b)) |
| return 1; |
| return 0; |
| } |
| |
| /* { dg-final { scan-rtl-dump-not "bswapdi" "combine" } } */ |
| /* { dg-final { cleanup-rtl-dump "combine" } } */ |
