re PR target/40668 (64-bit sparc miscompiles memcpy of argument inside switch)
PR target/40668 * function.c (assign_parm_setup_stack): Adjust MEM_OFFSET (data->stack_parm) if promoted_mode is different from nominal_mode on big endian. * gcc.c-torture/execute/pr40668.c: New test. From-SVN: r149512
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2009-07-11 Jakub Jelinek <jakub@redhat.com>
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PR target/40668
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* function.c (assign_parm_setup_stack): Adjust
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MEM_OFFSET (data->stack_parm) if promoted_mode is different
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from nominal_mode on big endian.
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2009-07-08 Richard Henderson <rth@redhat.com>
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PR target/38900
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@ -2977,9 +2977,17 @@ assign_parm_setup_stack (struct assign_parm_data_all *all, tree parm,
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TYPE_UNSIGNED (TREE_TYPE (parm)));
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if (data->stack_parm)
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/* ??? This may need a big-endian conversion on sparc64. */
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data->stack_parm
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= adjust_address (data->stack_parm, data->nominal_mode, 0);
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{
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int offset = subreg_lowpart_offset (data->nominal_mode,
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GET_MODE (data->stack_parm));
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/* ??? This may need a big-endian conversion on sparc64. */
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data->stack_parm
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= adjust_address (data->stack_parm, data->nominal_mode, 0);
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if (offset && MEM_OFFSET (data->stack_parm))
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set_mem_offset (data->stack_parm,
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plus_constant (MEM_OFFSET (data->stack_parm),
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offset));
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}
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}
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if (data->entry_parm != data->stack_parm)
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@ -1,3 +1,8 @@
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2009-07-11 Jakub Jelinek <jakub@redhat.com>
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PR target/40668
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* gcc.c-torture/execute/pr40668.c: New test.
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2009-07-10 Jakub Jelinek <jakub@redhat.com>
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PR c++/40502
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@ -0,0 +1,35 @@
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static void
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foo (unsigned int x, void *p)
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{
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__builtin_memcpy (p, &x, sizeof x);
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}
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void
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bar (int type, void *number)
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{
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switch (type)
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{
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case 1:
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foo (0x12345678, number);
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break;
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case 7:
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foo (0, number);
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break;
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case 8:
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foo (0, number);
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break;
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case 9:
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foo (0, number);
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break;
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}
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}
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int
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main (void)
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{
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unsigned int x;
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bar (1, &x);
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if (x != 0x12345678)
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__builtin_abort ();
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return 0;
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}
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