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authorCary Coutant <ccoutant@google.com>2009-06-04 23:12:27 +0000
committerCary Coutant <ccoutant@gcc.gnu.org>2009-06-04 16:12:27 -0700
commit6c52e687e487eb5bfc57399754d72e05845159d8 (patch)
tree62b2a3883be83cd19685457df195f788da6d5d99 /gcc/basic-block.h
parent535ff342b76110501c8673df1ae44db5e6ea55b4 (diff)
downloadgcc-6c52e687e487eb5bfc57399754d72e05845159d8.tar.gz
basic-block.h (struct basic_block_def): Add discriminator field.
* basic-block.h (struct basic_block_def): Add discriminator field. * dbxout.c (dbxout_source_line): Add new parameter. Change all callers. * debug.c (do_nothing_debug_hooks): Add additional entry. (debug_nothing_int_charstar_int): New function. * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook. (debug_nothing_int_charstar_int): New declaration. * dwarf2out.c (dwarf2out_source_line): Add new parameter. Write discriminator value in .loc directive. * final.c (last_discriminator): New variable. (discriminator): New variable. (final_start_function): Initialize above variables, pass current discriminator to debug hook. (notice_source_line): Check for discriminator change. * gimple-pretty-print.c (dump_bb_header): Print discriminator value. * sdbout.c (sdbout_source_line): New parameter. * tree-cfg.c (struct locus_discrim_map): New structure type. (discriminator_per_locus): New hash table. (build_gimple_cfg): Allocate and free discriminator hash table. (make_edges): Call assign_discriminator. (locus_map_hash): New function. (locus_map_eq): New function. (next_discriminator_for_locus): New function. (same_line_p): New function. (assign_discriminator): New function. (make_cond_expr_edges): Call assign_discriminator. (make_gimple_switch_edges): Likewise. (first_non_label_stmt): New function. * vmsdbgout.c (vmsdbgout_source_line): Add new parameter. Change all callers. * xcoffout.c (xcoffout_source_line): Add new parameter. * configure.ac (gcc_cv_as_discriminator): New configury check for gas support for discriminator. * configure: Regenerate. * config.in: Regenerate. From-SVN: r148191
Diffstat (limited to 'gcc/basic-block.h')
-rw-r--r--gcc/basic-block.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index 41d9f9514cb..901845a686d 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -249,6 +249,9 @@ struct GTY((chain_next ("%h.next_bb"), chain_prev ("%h.prev_bb"))) basic_block_d
/* Expected frequency. Normalized to be in range 0 to BB_FREQ_MAX. */
int frequency;
+ /* The discriminator for this block. */
+ int discriminator;
+
/* Various flags. See BB_* below. */
int flags;
};