s390: Fix up *cmp_and_trap_unsigned_int<mode> constraints [PR104775]
The following testcase fails to assemble due to clgte %r6,0(%r1,%r10) insn not being accepted by assembler. My rough understanding is that in the RSY-b insn format the spot in other formats used for index registers is used instead for M3 what kind of comparison it is, so this patch follows what other similar instructions use for constraint (i.e. one without index register). 2022-03-07 Jakub Jelinek <jakub@redhat.com> PR target/104775 * config/s390/s390.md (*cmp_and_trap_unsigned_int<mode>): Use S constraint instead of T in the last alternative. * gcc.target/s390/pr104775.c: New test.
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(define_insn "*cmp_and_trap_unsigned_int<mode>"
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[(trap_if (match_operator 0 "s390_unsigned_integer_comparison"
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[(match_operand:GPR 1 "register_operand" "d,d,d")
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(match_operand:GPR 2 "general_operand" "d,D,T")])
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(match_operand:GPR 2 "general_operand" "d,D,S")])
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(const_int 0))]
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"TARGET_Z10"
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"@
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gcc/testsuite/gcc.target/s390/pr104775.c
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gcc/testsuite/gcc.target/s390/pr104775.c
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/* PR target/104775 */
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/* { dg-do assemble { target s390_zEC12_hw } } */
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/* { dg-options "-O2 -march=zEC12" } */
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long a[64];
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void bar (void);
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void
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foo (int x, int y)
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{
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if (x != a[y])
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bar ();
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__builtin_trap ();
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}
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