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alpha.c (struct machine_function): Add gp_save_rtx.

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* config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
        (alpha_gp_save_rtx): Use assign_stack_local instead of
        gen_mem_addressof.

From-SVN: r84015
This commit is contained in:
Richard Henderson 2004-07-01 23:31:49 -07:00 committed by Richard Henderson
parent 8260c194b7
commit 229aa35230
2 changed files with 28 additions and 5 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-07-01 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
(alpha_gp_save_rtx): Use assign_stack_local instead of
gen_mem_addressof.
2004-07-01 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.

27
gcc/config/alpha/alpha.c
View File

@ -5189,6 +5189,9 @@ struct machine_function GTY(())
/* For OSF. */
const char *some_ld_name;
/* For TARGET_LD_BUGGY_LDGP. */
struct rtx_def *gp_save_rtx;
};
/* How to allocate a 'struct machine_function'. */
@ -5213,16 +5216,30 @@ alpha_return_addr (int count, rtx frame ATTRIBUTE_UNUSED)
return get_hard_reg_initial_val (Pmode, REG_RA);
}
/* Return or create a pseudo containing the gp value for the current
/* Return or create a memory slot containing the gp value for the current
function. Needed only if TARGET_LD_BUGGY_LDGP. */
rtx
alpha_gp_save_rtx (void)
{
rtx r = get_hard_reg_initial_val (DImode, 29);
if (GET_CODE (r) != MEM)
r = gen_mem_addressof (r, NULL_TREE, /*rescan=*/true);
return r;
rtx seq, m = cfun->machine->gp_save_rtx;
if (m == NULL)
{
start_sequence ();
m = assign_stack_local (DImode, UNITS_PER_WORD, BITS_PER_WORD);
m = validize_mem (m);
emit_move_insn (m, pic_offset_table_rtx);
seq = get_insns ();
end_sequence ();
emit_insn_after (seq, entry_of_function ());
cfun->machine->gp_save_rtx = m;
}
return m;
}
static int