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tree-switch-conversion.c: Corrected various comments and whitespace issues

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2008-07-02  Martin Jambor  <mjambor@suse.cz>

	* tree-switch-conversion.c: Corrected various comments and
	whitespace issues
	(build_constructors): Fixed minor formatting mistakes.

	* invoke.texi (Optimize Options): Corrected the
	switch-conversion-max-branch-ratio parameter.

From-SVN: r137347
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Martin Jambor 2008-07-02 11:47:09 +02:00 committed by Martin Jambor
parent 5bc4fa7cd2
commit b1ae16815a
3 changed files with 20 additions and 10 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2008-07-02 Martin Jambor <mjambor@suse.cz>
* tree-switch-conversion.c: Corrected various comments and
whitespace issues
(build_constructors): Fixed minor formatting mistakes.
* invoke.texi (Optimize Options): Corrected the
switch-conversion-max-branch-ratio parameter.
2008-07-02 Mark Shinwell <shinwell@codesourcery.com>
* final.c (asm_insn_count): Return zero for an empty asm body.

2
gcc/doc/invoke.texi
View File

@ -7352,7 +7352,7 @@ set this value to 0 to disable canonical types.
@item switch-conversion-max-branch-ratio
Switch initialization conversion will refuse to create arrays that are
bigger than @option{cswtch-max-branch-ratio} times the number of
bigger than @option{switch-conversion-max-branch-ratio} times the number of
branches in the switch.
@item max-partial-antic-length

19
gcc/tree-switch-conversion.c
View File

@ -107,7 +107,7 @@ struct switch_conv_info
cases. */
tree range_min;
/* The difference of between the above two numbers, i.e. The size of the array
/* The difference between the above two numbers, i.e. The size of the array
that would have to be created by the transformation. */
tree range_size;
@ -121,7 +121,7 @@ struct switch_conv_info
/* Number of phi nodes in the final bb (that we'll be replacing). */
int phi_count;
/* Array of default values, n the same order as phi nodes. */
/* Array of default values, in the same order as phi nodes. */
tree *default_values;
/* Constructors of new static arrays. */
@ -144,7 +144,8 @@ struct switch_conv_info
/* Combined count of all other (non-default) edges in the replaced switch. */
gcov_type other_count;
/* The last load statement that loads a temporary from a new static array. */
/* The first load statement that loads a temporary from a new static array.
*/
tree arr_ref_first;
/* The last load statement that loads a temporary from a new static array. */
@ -299,7 +300,7 @@ check_final_bb (void)
&& !is_gimple_min_invariant (PHI_ARG_ELT (phi, i).def))
{
info.reason = " Non-invariant value from a case\n";
return false; /* non invariant argument */
return false; /* non invariant argument */
}
}
}
@ -409,13 +410,13 @@ build_constructors (tree swtch)
pos = int_const_binop (PLUS_EXPR, pos, integer_one_node, 0);
}
gcc_assert (tree_int_cst_equal (pos, CASE_LOW(cs)));
gcc_assert (tree_int_cst_equal (pos, CASE_LOW (cs)));
j = 0;
if (CASE_HIGH (cs))
high = CASE_HIGH (cs);
else
high = CASE_LOW(cs);
high = CASE_LOW (cs);
for (phi = phi_nodes (info.final_bb); phi; phi = PHI_CHAIN (phi))
{
tree val = PHI_ARG_DEF_FROM_EDGE (phi, e);
@ -793,7 +794,7 @@ process_switch (tree swtch)
build_constructors (swtch);
build_arrays (swtch); /* Build the static arrays and assignments. */
gen_inbound_check (swtch); /* Build the bounds check. */
gen_inbound_check (swtch); /* Build the bounds check. */
/* Cleanup: */
free_temp_arrays ();
@ -862,12 +863,12 @@ struct gimple_opt_pass pass_convert_switch =
{
GIMPLE_PASS,
"switchconv", /* name */
switchconv_gate, /* gate */
switchconv_gate, /* gate */
do_switchconv, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
0, /* tv_id */
0, /* tv_id */
PROP_cfg | PROP_ssa, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */