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[COMMITTED] reload1: Change return type of predicate function from int to bool

Message ID CAFULd4YRwe_anb9ozkoKh0nWXKC86w-O76u9G+ruSuvjEPUU+g@mail.gmail.com
State New
Headers show
Series [COMMITTED] reload1: Change return type of predicate function from int to bool | expand

Commit Message

Uros Bizjak June 6, 2023, 5:22 p.m. UTC 
gcc/ChangeLog:

    * rtl.h (function_invariant_p): Change return type from int to bool.
    * reload1.cc (function_invariant_p): Change return type from
    int to bool and adjust function body accordingly.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Uros.
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Patch

diff --git a/gcc/reload1.cc b/gcc/reload1.cc
index 9ec2cb9baf4..9ba822d1ff7 100644
--- a/gcc/reload1.cc
+++ b/gcc/reload1.cc
@@ -5949,14 +5949,14 @@  free_for_value_p (int regno, machine_mode mode, int opnum,
   return 1;
 }
 
-/* Return nonzero if the rtx X is invariant over the current function.  */
+/* Return true if the rtx X is invariant over the current function.  */
 /* ??? Actually, the places where we use this expect exactly what is
    tested here, and not everything that is function invariant.  In
    particular, the frame pointer and arg pointer are special cased;
    pic_offset_table_rtx is not, and we must not spill these things to
    memory.  */
 
-int
+bool
 function_invariant_p (const_rtx x)
 {
   if (CONSTANT_P (x))
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 4c993e82708..988691f5710 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -4307,7 +4307,7 @@  extern void fix_register (const char *, int, int);
 extern const HARD_REG_SET *valid_mode_changes_for_regno (unsigned int);
 
 /* In reload1.cc */
-extern int function_invariant_p (const_rtx);
+extern bool function_invariant_p (const_rtx);
 
 /* In calls.cc */
 enum libcall_type