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genrecog: Address -Wsign-compare diagnostics.

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g++-4.6 [...] [...]/gcc/genrecog.c
    [...]/gcc/genrecog.c: In function 'state_size find_subroutines(routine_type, state*, vec<state*>&)':
    [...]/gcc/genrecog.c:3338:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    [...]/gcc/genrecog.c:3347:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    [...]/gcc/genrecog.c:3359:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    [...]/gcc/genrecog.c:3365:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

    3305   state_size size;
         [...]
    3337           state_size to_size = find_subroutines (type, trans->to, procs);
    3338           if (d->next && to_size.depth > MAX_DEPTH)
         [...]
    3347               if (to_size.num_statements < MIN_NUM_STATEMENTS)
         [...]
    3359   if (size.num_statements > MAX_NUM_STATEMENTS)
         [...]
    3365              && size.num_statements > MAX_NUM_STATEMENTS)

     175 static const int MAX_DEPTH = 6;
         [...]
     179 static const int MIN_NUM_STATEMENTS = 5;
         [...]
     185 static const int MAX_NUM_STATEMENTS = 200;
         [...]
    3258 struct state_size
    3259 {
         [...]
    3261   unsigned int num_statements;
         [...]
    3265   unsigned int depth;
    3266 };

	gcc/
	* genrecog.c (MAX_DEPTH, MIN_NUM_STATEMENTS, MAX_NUM_STATEMENTS):
	Change to unsigned int.

From-SVN: r223469
This commit is contained in:
Thomas Schwinge 2015-05-21 08:46:55 +02:00 committed by Thomas Schwinge
parent 965566df89
commit a4f238b6d7
2 changed files with 8 additions and 3 deletions

5
gcc/ChangeLog

@ -1,3 +1,8 @@
2015-05-21 Thomas Schwinge <thomas@codesourcery.com>
* genrecog.c (MAX_DEPTH, MIN_NUM_STATEMENTS, MAX_NUM_STATEMENTS):
Change to unsigned int.
2015-05-20 Mikhail Maltsev <maltsevm@gmail.com>
* bb-reorder.c (set_edge_can_fallthru_flag): Use rtx_jump_insn where

6
gcc/genrecog.c

@ -172,17 +172,17 @@ static const bool force_unique_params_p = true;
/* The maximum (approximate) depth of block nesting that an individual
routine or subroutine should have. This limit is about keeping the
output readable rather than reducing compile time. */
static const int MAX_DEPTH = 6;
static const unsigned int MAX_DEPTH = 6;
/* The minimum number of pseudo-statements that a state must have before
we split it out into a subroutine. */
static const int MIN_NUM_STATEMENTS = 5;
static const unsigned int MIN_NUM_STATEMENTS = 5;
/* The number of pseudo-statements a state can have before we consider
splitting out substates into subroutines. This limit is about avoiding
compile-time problems with very big functions (and also about keeping
functions within --param optimization limits, etc.). */
static const int MAX_NUM_STATEMENTS = 200;
static const unsigned int MAX_NUM_STATEMENTS = 200;
/* The minimum number of pseudo-statements that can be used in a pattern
routine. */