blob: f4e53c83d67fdc17313376ba3177508300aba8a6 [file] [log] [blame]
/* 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" } } */