diff options
| -rw-r--r-- | gcc/ChangeLog | 49 | ||||
| -rw-r--r-- | gcc/Makefile.in | 2 | ||||
| -rw-r--r-- | gcc/dwarfout.c | 1 | ||||
| -rw-r--r-- | gcc/emit-rtl.c | 2 | ||||
| -rw-r--r-- | gcc/final.c | 4 | ||||
| -rw-r--r-- | gcc/flow.c | 20 | ||||
| -rw-r--r-- | gcc/ggc-callbacks.c | 4 | ||||
| -rw-r--r-- | gcc/hash.c | 2 | ||||
| -rw-r--r-- | gcc/local-alloc.c | 2 | ||||
| -rw-r--r-- | gcc/loop.c | 4 | ||||
| -rw-r--r-- | gcc/regclass.c | 8 | ||||
| -rw-r--r-- | gcc/reload.c | 1 | ||||
| -rw-r--r-- | gcc/reload1.c | 5 | ||||
| -rw-r--r-- | gcc/toplev.c | 2 | ||||
| -rw-r--r-- | gcc/tree.c | 2 | ||||
| -rw-r--r-- | gcc/unroll.c | 2 |
16 files changed, 87 insertions, 23 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 701b9dad772..f34fbd20f6e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,52 @@ +1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (toplev.o): Depend on loop.h. + + * dwarfout.c: Include tm_p.h. + + * emit-rtl.c (restore_emit_status): Mark parameter with + ATTRIBUTE_UNUSED. + + * final.c (final_scan_insn): Likewise. + + * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump, + flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find, + flow_depth_first_order_compute, flow_loop_pre_header_find, + flow_loop_tree_node_add, flow_loops_tree_build, + flow_loop_level_compute, flow_loops_level_compute, + flow_loop_outside_edge_p): Add prototypes. + (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED. + + * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack): + Mark with ATTRIBUTE_NORETURN. + + * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED. + + * local-alloc.c (no_conflict_p): Likewise. + + * loop.c (insert_bct): Hide definitions of variables with hidden + usage. + (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED. + + * regclass.c (memory_move_secondary_cost): Mark variable `mem' + with ATTRIBUTE_UNUSED. + (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED. + (reg_scan): Likewise. + + * reload.c (find_reloads): Remove unused variables `changed'. + + * reload1.c (reload_reg_class_lower): Don't unnecessarily cast + away const-ness. + (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED. + Remove unused variable `insn'. + + * toplev.c: Include loop.h. + (report_file_and_line): Remove unnecessary prototype. + + * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED. + + * unroll.c (biv_total_increment): Likewise. + Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk> * reload1.c (emit_input_reload_insns): Restore old behaviour diff --git a/gcc/Makefile.in b/gcc/Makefile.in index 3b2782960d1..7c606569a97 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -1469,7 +1469,7 @@ diagnostic.o : $(CONFIG_H) system.h $(TREE_H) $(RTL_H) tm_p.h flags.h \ toplev.o : toplev.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) function.h \ flags.h input.h insn-attr.h xcoffout.h defaults.h output.h \ insn-codes.h insn-config.h intl.h $(RECOG_H) Makefile toplev.h dwarfout.h \ - dwarf2out.h sdbout.h dbxout.h $(EXPR_H) $(BASIC_BLOCK_H) graph.h \ + dwarf2out.h sdbout.h dbxout.h $(EXPR_H) $(BASIC_BLOCK_H) graph.h loop.h \ except.h $(lang_options_files) $(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(MAYBE_USE_COLLECT2) \ -DTARGET_NAME=\"$(target_alias)\" \ diff --git a/gcc/dwarfout.c b/gcc/dwarfout.c index cb9e77ff144..4dda62688c3 100644 --- a/gcc/dwarfout.c +++ b/gcc/dwarfout.c @@ -34,6 +34,7 @@ Boston, MA 02111-1307, USA. */ #include "defaults.h" #include "dwarfout.h" #include "toplev.h" +#include "tm_p.h" #if defined(DWARF_TIMESTAMPS) #if !defined(POSIX) diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 4d407c42ffa..06f4979a876 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1580,7 +1580,7 @@ set_new_last_label_num (last) void restore_emit_status (p) - struct function *p; + struct function *p ATTRIBUTE_UNUSED; { last_label_num = 0; clear_emit_caches (); diff --git a/gcc/final.c b/gcc/final.c index 20670b94974..8f49e0909b9 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -2068,9 +2068,9 @@ rtx final_scan_insn (insn, file, optimize, prescan, nopeepholes) rtx insn; FILE *file; - int optimize; + int optimize ATTRIBUTE_UNUSED; int prescan; - int nopeepholes; + int nopeepholes ATTRIBUTE_UNUSED; { #ifdef HAVE_cc0 rtx set; diff --git a/gcc/flow.c b/gcc/flow.c index eff2a05d686..439c95b3c01 100644 --- a/gcc/flow.c +++ b/gcc/flow.c @@ -348,12 +348,24 @@ static void count_reg_references PROTO ((rtx)); static void invalidate_mems_from_autoinc PROTO ((rtx)); static void remove_edge PROTO ((edge)); static void remove_fake_successors PROTO ((basic_block)); +static void flow_nodes_print PROTO ((const char *, const sbitmap, FILE *)); +static void flow_exits_print PROTO ((const char *, const edge *, int, FILE *)); +static void flow_loops_cfg_dump PROTO ((const struct loops *, FILE *)); +static int flow_loop_nested_p PROTO ((struct loop *, struct loop *)); +static int flow_loop_exits_find PROTO ((const sbitmap, edge **)); +static int flow_loop_nodes_find PROTO ((basic_block, basic_block, sbitmap)); +static int flow_depth_first_order_compute PROTO ((int *)); +static basic_block flow_loop_pre_header_find PROTO ((basic_block, const sbitmap *)); +static void flow_loop_tree_node_add PROTO ((struct loop *, struct loop *)); +static void flow_loops_tree_build PROTO ((struct loops *)); +static int flow_loop_level_compute PROTO ((struct loop *, int)); +static int flow_loops_level_compute PROTO ((struct loops *)); /* This function is always defined so it can be called from the debugger, and it is declared extern so we don't get warnings about it being unused. */ void verify_flow_info PROTO ((void)); - +int flow_loop_outside_edge_p PROTO ((const struct loop *, edge)); /* Find basic blocks of the current function. F is the first insn of the function and NREGS the number of register @@ -5548,8 +5560,8 @@ count_reg_references (x) void recompute_reg_usage (f, loop_step) - rtx f; - int loop_step; + rtx f ATTRIBUTE_UNUSED; + int loop_step ATTRIBUTE_UNUSED; { rtx insn; int i, max_reg; @@ -6356,7 +6368,7 @@ flow_loops_cfg_dump (loops, file) /* Return non-zero if the nodes of LOOP are a subset of OUTER. */ -int +static int flow_loop_nested_p (outer, loop) struct loop *outer; struct loop *loop; diff --git a/gcc/ggc-callbacks.c b/gcc/ggc-callbacks.c index 462e6905dc2..c56e13ea307 100644 --- a/gcc/ggc-callbacks.c +++ b/gcc/ggc-callbacks.c @@ -27,7 +27,7 @@ int ggc_p = 0; -void +void ATTRIBUTE_NORETURN lang_mark_tree (t) union tree_node *t ATTRIBUTE_UNUSED; { @@ -36,7 +36,7 @@ lang_mark_tree (t) abort (); } -void +void ATTRIBUTE_NORETURN lang_mark_false_label_stack (l) struct label_node *l ATTRIBUTE_UNUSED; { diff --git a/gcc/hash.c b/gcc/hash.c index f333c6c4d70..acbcd88bde0 100644 --- a/gcc/hash.c +++ b/gcc/hash.c @@ -140,7 +140,7 @@ struct hash_entry * hash_newfunc (entry, table, p) struct hash_entry *entry; struct hash_table *table; - hash_table_key p; + hash_table_key p ATTRIBUTE_UNUSED; { if (entry == (struct hash_entry *) NULL) entry = ((struct hash_entry *) diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index 3907a45808c..e077a12fd48 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -2148,7 +2148,7 @@ post_mark_life (regno, mode, life, birth, death) static int no_conflict_p (insn, r0, r1) - rtx insn, r0, r1; + rtx insn, r0 ATTRIBUTE_UNUSED, r1; { int ok = 0; rtx note = find_reg_note (insn, REG_LIBCALL, NULL_RTX); diff --git a/gcc/loop.c b/gcc/loop.c index ff22cbd634e..7f186c6505f 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -9344,6 +9344,7 @@ insert_bct (loop_start, loop_end, loop_info) int i; unsigned HOST_WIDE_INT n_iterations; +#if 0 int increment_direction, compare_direction; /* If the loop condition is <= or >=, the number of iteration @@ -9351,6 +9352,7 @@ insert_bct (loop_start, loop_end, loop_info) int add_iteration = 0; enum machine_mode loop_var_mode = word_mode; +#endif int loop_num = uid_loop_num [INSN_UID (loop_start)]; @@ -10020,7 +10022,7 @@ struct note_reg_stored_arg is equal to ARG. */ static void note_reg_stored (x, setter, arg) - rtx x, setter; + rtx x, setter ATTRIBUTE_UNUSED; void *arg; { struct note_reg_stored_arg *t = (struct note_reg_stored_arg *)arg; diff --git a/gcc/regclass.c b/gcc/regclass.c index 1ae876a6d3f..4344c58701e 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -503,7 +503,9 @@ memory_move_secondary_cost (mode, class, in) enum reg_class altclass; int partial_cost = 0; /* We need a memory reference to feed to SECONDARY... macros. */ - rtx mem = top_of_stack[(int) mode]; + /* mem may be unused even if the SECONDARY_ macros are defined. */ + rtx mem ATTRIBUTE_UNUSED = top_of_stack[(int) mode]; + if (in) { @@ -1204,7 +1206,7 @@ record_reg_classes (n_alts, n_ops, ops, modes, subreg_changes_size, int n_ops; rtx *ops; enum machine_mode *modes; - char *subreg_changes_size; + char *subreg_changes_size ATTRIBUTE_UNUSED; const char **constraints; rtx insn; { @@ -2101,7 +2103,7 @@ void reg_scan (f, nregs, repeat) rtx f; int nregs; - int repeat; + int repeat ATTRIBUTE_UNUSED; { register rtx insn; diff --git a/gcc/reload.c b/gcc/reload.c index bcaef6cf534..985fd831f25 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -2393,7 +2393,6 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p) int goal_alternative_swapped; int best; int commutative; - int changed; char operands_match[MAX_RECOG_OPERANDS][MAX_RECOG_OPERANDS]; rtx substed_operand[MAX_RECOG_OPERANDS]; rtx body = PATTERN (insn); diff --git a/gcc/reload1.c b/gcc/reload1.c index 6affa682069..65020442344 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -1441,7 +1441,7 @@ reload_reg_class_lower (r1p, r2p) const PTR r1p; const PTR r2p; { - register int r1 = *(short *)r1p, r2 = *(short *)r2p; + register int r1 = *(const short *)r1p, r2 = *(const short *)r2p; register int t; /* Consider required reloads before optional ones. */ @@ -4900,11 +4900,10 @@ set_reload_reg (i, r) static int allocate_reload_reg (chain, r, last_reload) - struct insn_chain *chain; + struct insn_chain *chain ATTRIBUTE_UNUSED; int r; int last_reload; { - rtx insn = chain->insn; int i, pass, count; /* If we put this reload ahead, thinking it is a group, diff --git a/gcc/toplev.c b/gcc/toplev.c index a8dd7b2a517..a6e7c0ef798 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -57,6 +57,7 @@ Boston, MA 02111-1307, USA. */ #include "intl.h" #include "ggc.h" #include "graph.h" +#include "loop.h" #ifdef DWARF_DEBUGGING_INFO #include "dwarfout.h" @@ -167,7 +168,6 @@ static void dump_rtl PROTO((const char *, tree, void (*) (FILE *, rtx), rtx)); static void clean_dump_file PROTO((const char *)); static void compile_file PROTO((char *)); static void display_help PROTO ((void)); -static void report_file_and_line PROTO ((const char *, int, int)); static void mark_file_stack PROTO ((void *)); static void decode_d_option PROTO ((const char *)); diff --git a/gcc/tree.c b/gcc/tree.c index dd8a6d4994a..c9d9e365da4 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -3314,7 +3314,7 @@ build_decl (code, name, type) tree build_block (vars, tags, subblocks, supercontext, chain) - tree vars, tags, subblocks, supercontext, chain; + tree vars, tags ATTRIBUTE_UNUSED, subblocks, supercontext, chain; { register tree block = make_node (BLOCK); diff --git a/gcc/unroll.c b/gcc/unroll.c index 5b359a9962e..6b2b53e9989 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -2381,7 +2381,7 @@ fold_rtx_mult_add (mult1, mult2, add1, mode) rtx biv_total_increment (bl, loop_start, loop_end) struct iv_class *bl; - rtx loop_start, loop_end; + rtx loop_start ATTRIBUTE_UNUSED, loop_end ATTRIBUTE_UNUSED; { struct induction *v; rtx result; |