| /* Target architectures which have been found to produce the expected RTL |
| (neg:DI (ge:DI ...)) when compiling for LP64. */ |
| /* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* ia64-*-* powerpc*-*-* sparc*-*-* x86_64-*-* } } */ |
| /* { dg-require-effective-target lp64 } */ |
| /* { dg-options "-O2 -fdump-rtl-combine-all" } */ |
| |
| typedef long long int int64_t; |
| |
| int64_t |
| foo (int64_t a) |
| { |
| return (~a) >> 63; |
| } |
| |
| /* The combine phase will try to combine not & ashiftrt, and |
| combine_simplify_rtx should transform (ashiftrt (not x) 63) |
| to (not (ashiftrt x 63)) and then to (neg (ge x 0)). We look for |
| the *attempt* to match this RTL pattern, regardless of whether an |
| actual insn may be found on the platform. */ |
| /* { dg-final { scan-rtl-dump "\\(neg:DI \\(ge:DI" "combine" } } */ |