[gcc r15-4089] hppa: Don't clobber frame_pointer_rtx in expanders

[John David Anglin via Gcc-cvs]

https://gcc.gnu.org/g:29f47b0929e00ef9b880e9157f156c78ff924f5b

commit r15-4089-g29f47b0929e00ef9b880e9157f156c78ff924f5b
Author: John David Anglin <dang...@gcc.gnu.org>
Date:   Sat Oct 5 18:39:41 2024 -0400

    hppa: Don't clobber frame_pointer_rtx in expanders
    
    Noticed testing LRA.  Clobbers cause internal compiler errors.
    
    2024-10-05  John David Anglin  <dang...@gcc.gnu.org>
    
    gcc/ChangeLog:
    
            * config/pa/pa.md (nonlocal_goto): Don't clobber
            frame_pointer_rtx.
            (builtin_longjmp): Likewise.

Diff:
---
 gcc/config/pa/pa.md | 2 --
 1 file changed, 2 deletions(-)

diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index fae9e4305547..2f82b431c0cd 100644
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -7411,7 +7411,6 @@
   /* Ensure the frame pointer move is not optimized.  */
   emit_insn (gen_blockage ());
   emit_clobber (hard_frame_pointer_rtx);
-  emit_clobber (frame_pointer_rtx);
   emit_move_insn (hard_frame_pointer_rtx, fp);
 
   emit_use (hard_frame_pointer_rtx);
@@ -9202,7 +9201,6 @@ add,l %2,%3,%3\;bv,n %%r0(%3)"
   /* Ensure the frame pointer move is not optimized.  */
   emit_insn (gen_blockage ());
   emit_clobber (hard_frame_pointer_rtx);
-  emit_clobber (frame_pointer_rtx);
   emit_move_insn (hard_frame_pointer_rtx, fp);
 
   emit_use (hard_frame_pointer_rtx);