|
111
|
1 /* Target architectures where RTL has been found to produce the expected
|
|
|
2 (neg:SI (ge:SI ...)) when compiling for ILP32. */
|
|
|
3 /* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* microblaze-*-* mips*-*-* powerpc*-*-* sparc*-*-* x86_64-*-* } } */
|
|
|
4 /* { dg-require-effective-target ilp32 } */
|
|
|
5 /* { dg-options "-O2 -fdump-rtl-combine-all" } */
|
|
|
6
|
|
|
7 typedef long int32_t;
|
|
|
8
|
|
|
9 int32_t
|
|
|
10 foo (int32_t a)
|
|
|
11 {
|
|
|
12 return (~a) >> 31;
|
|
|
13 }
|
|
|
14
|
|
|
15 /* The combine phase will try to combine not & ashiftrt, and
|
|
|
16 combine_simplify_rtx should transform (ashiftrt (not x) 31)
|
|
|
17 to (not (ashiftrt x 63)) and then to (neg (ge x 0)). We look for
|
|
|
18 the *attempt* to match this RTL pattern, regardless of whether an
|
|
|
19 actual insn may be found on the platform. */
|
|
|
20 /* { dg-final { scan-rtl-dump "\\(neg:SI \\(ge:SI" "combine" } } */
|
