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riscv-gcc-1
Commit db8717d9 by Richard Kenner
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(expand_function_end): Warn about unused parms if both -Wunused and -W. 

From-SVN: r9489
parent 3fc341ac
Showing with 4 additions and 6 deletions
gcc/function.c
...@@ -5234,18 +5234,16 @@ expand_function_end (filename, line, end_bindings) ...@@ -5234,18 +5234,16 @@ expand_function_end (filename, line, end_bindings)
emit_insns_before (seq, tail_recursion_reentry); emit_insns_before (seq, tail_recursion_reentry);
} }
#if 0 /* I think unused parms are legitimate enough. */ /* Warn about unused parms if extra warnings were specified. */
/* Warn about unused parms. */ if (warn_unused && extra_warnings)
if (warn_unused)
{ {
rtx decl; tree decl;
for (decl = DECL_ARGUMENTS (current_function_decl); for (decl = DECL_ARGUMENTS (current_function_decl);
decl; decl = TREE_CHAIN (decl)) decl; decl = TREE_CHAIN (decl))
if (! TREE_USED (decl) && TREE_CODE (decl) == VAR_DECL) if (! TREE_USED (decl) && TREE_CODE (decl) == PARM_DECL)
warning_with_decl (decl, "unused parameter `%s'"); warning_with_decl (decl, "unused parameter `%s'");
} }
#endif
/* Delete handlers for nonlocal gotos if nothing uses them. */ /* Delete handlers for nonlocal gotos if nothing uses them. */
if (nonlocal_goto_handler_slot != 0 && !current_function_has_nonlocal_label) if (nonlocal_goto_handler_slot != 0 && !current_function_has_nonlocal_label)
......
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