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authorRichard Sandiford <richard.sandiford@arm.com>2014-10-22 12:02:11 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2014-10-22 12:02:11 +0000
commit9840b2fa87cc9657dca2b63dc66d37f94d2c9cb8 (patch)
tree69a28087e5d6c8f66821aa2540f8d19983b792eb /gcc/lra-constraints.c
parent75d25a02fcd6d85c314700b5b2e03743f1bec04a (diff)
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md.texi: Document "preferred_for_size" and "preferred_for_speed" attributes.
gcc/ * doc/md.texi: Document "preferred_for_size" and "preferred_for_speed" attributes. * genattr.c (main): Handle "preferred_for_size" and "preferred_for_speed" in the same way as "enabled". * recog.h (bool_attr): New enum. (target_recog): Replace x_enabled_alternatives with x_bool_attr_masks. (get_preferred_alternatives, check_bool_attrs): Declare. * recog.c (have_bool_attr, get_bool_attr, get_bool_attr_mask_uncached) (get_bool_attr_mask, get_preferred_alternatives, check_bool_attrs): New functions. (get_enabled_alternatives): Use get_bool_attr_mask. * ira-costs.c (record_reg_classes): Use get_preferred_alternatives instead of recog_data.enabled_alternatives. * ira.c (ira_setup_alts): Likewise. * postreload.c (reload_cse_simplify_operands): Likewise. * config/i386/i386.c (ix86_legitimate_combined_insn): Likewise. * ira-lives.c (preferred_alternatives): New variable. (process_bb_node_lives): Set it. (check_and_make_def_conflict, make_early_clobber_and_input_conflicts) (single_reg_class, ira_implicitly_set_insn_hard_regs): Use it instead of recog_data.enabled_alternatives. * lra-int.h (lra_insn_recog_data): Replace enabled_alternatives to preferred_alternatives. * lra-constraints.c (process_alt_operands): Update accordingly. * lra.c (lra_set_insn_recog_data): Likewise. (lra_update_insn_recog_data): Assert check_bool_attrs. From-SVN: r216554
Diffstat (limited to 'gcc/lra-constraints.c')
-rw-r--r--gcc/lra-constraints.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index 6ee99a2..7f9f317 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -1685,14 +1685,14 @@ process_alt_operands (int only_alternative)
together, the second alternatives go together, etc.
First loop over alternatives. */
- alternative_mask enabled = curr_id->enabled_alternatives;
+ alternative_mask preferred = curr_id->preferred_alternatives;
if (only_alternative >= 0)
- enabled &= ALTERNATIVE_BIT (only_alternative);
+ preferred &= ALTERNATIVE_BIT (only_alternative);
for (nalt = 0; nalt < n_alternatives; nalt++)
{
/* Loop over operands for one constraint alternative. */
- if (!TEST_BIT (enabled, nalt))
+ if (!TEST_BIT (preferred, nalt))
continue;
overall = losers = reject = reload_nregs = reload_sum = 0;