mirror of git://gcc.gnu.org/git/gcc.git
21 lines
799 B
C
21 lines
799 B
C
/* Target architectures where RTL has been found to produce the expected
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(neg:SI (ge:SI ...)) when compiling for ILP32. */
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/* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* microblaze-*-* mips*-*-* powerpc*-*-* sparc*-*-* x86_64-*-* } } */
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/* { dg-require-effective-target ilp32 } */
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/* { dg-options "-O2 -fdump-rtl-combine-all" } */
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typedef long int32_t;
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int32_t
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foo (int32_t a)
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{
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return (~a) >> 31;
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}
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/* The combine phase will try to combine not & ashiftrt, and
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combine_simplify_rtx should transform (ashiftrt (not x) 31)
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to (not (ashiftrt x 63)) and then to (neg (ge x 0)). We look for
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the *attempt* to match this RTL pattern, regardless of whether an
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actual insn may be found on the platform. */
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/* { dg-final { scan-rtl-dump "\\(neg:SI \\(ge:SI" "combine" } } */
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