[gcc r16-1092] Always add REG_CALL_DECL note for CALL

[H.J. Lu via Gcc-cvs]

https://gcc.gnu.org/g:e1390c2c45186e4843b927e77a102d39a599374a

commit r16-1092-ge1390c2c45186e4843b927e77a102d39a599374a
Author: H.J. Lu <hjl.to...@gmail.com>
Date:   Tue Jun 3 05:56:37 2025 +0800

    Always add REG_CALL_DECL note for CALL
    
    Always add REG_CALL_DECL note for CALL so that get_call_fndecl works
    without -fipa-ra.
    
            PR other/120494
            * calls.cc (expand_call): Always add REG_CALL_DECL note.
            (emit_library_call_value_1): Likewise.
    
    Signed-off-by: H.J. Lu <hjl.to...@gmail.com>

Diff:
---
 gcc/calls.cc | 30 ++++++++++++------------------
 1 file changed, 12 insertions(+), 18 deletions(-)

diff --git a/gcc/calls.cc b/gcc/calls.cc
index 164f3c515d95..e16190c12a63 100644
--- a/gcc/calls.cc
+++ b/gcc/calls.cc
@@ -3736,19 +3736,16 @@ expand_call (tree exp, rtx target, int ignore)
                   next_arg_reg, valreg, old_inhibit_defer_pop, call_fusage,
                   flags, args_so_far);
 
-      if (flag_ipa_ra)
+      rtx_call_insn *last;
+      rtx datum = NULL_RTX;
+      if (fndecl != NULL_TREE)
        {
-         rtx_call_insn *last;
-         rtx datum = NULL_RTX;
-         if (fndecl != NULL_TREE)
-           {
-             datum = XEXP (DECL_RTL (fndecl), 0);
-             gcc_assert (datum != NULL_RTX
-                         && GET_CODE (datum) == SYMBOL_REF);
-           }
-         last = last_call_insn ();
-         add_reg_note (last, REG_CALL_DECL, datum);
+         datum = XEXP (DECL_RTL (fndecl), 0);
+         gcc_assert (datum != NULL_RTX
+                     && GET_CODE (datum) == SYMBOL_REF);
        }
+      last = last_call_insn ();
+      add_reg_note (last, REG_CALL_DECL, datum);
 
       /* If the call setup or the call itself overlaps with anything
         of the argument setup we probably clobbered our call address.
@@ -4804,13 +4801,10 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx 
value,
               struct_value_size, call_cookie, valreg,
               old_inhibit_defer_pop + 1, call_fusage, flags, args_so_far);
 
-  if (flag_ipa_ra)
-    {
-      rtx datum = orgfun;
-      gcc_assert (GET_CODE (datum) == SYMBOL_REF);
-      rtx_call_insn *last = last_call_insn ();
-      add_reg_note (last, REG_CALL_DECL, datum);
-    }
+  rtx datum = orgfun;
+  gcc_assert (GET_CODE (datum) == SYMBOL_REF);
+  rtx_call_insn *last = last_call_insn ();
+  add_reg_note (last, REG_CALL_DECL, datum);
 
   /* Right-shift returned value if necessary.  */
   if (!pcc_struct_value