[binutils-gdb] LoongArch: Multiple relax_trip in one relax_pass

[binutils-gdb] LoongArch: Multiple relax_trip in one relax_pass

[liu & zhensong]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b130a0849a1b3e174210903cf5370092decc62d6

commit b130a0849a1b3e174210903cf5370092decc62d6
Author: mengqinggang <mengqinggang@loongson.cn>
Date:   Thu Nov 16 19:19:13 2023 +0800

    LoongArch: Multiple relax_trip in one relax_pass
    
    If deleting instructions in one relax_trip, set again to true to start the
    next relax_trip.

Diff:
---
 bfd/elfnn-loongarch.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/bfd/elfnn-loongarch.c b/bfd/elfnn-loongarch.c
index 9d4ea7e4ae7..7436a14441f 100644
--- a/bfd/elfnn-loongarch.c
+++ b/bfd/elfnn-loongarch.c
@@ -3740,7 +3740,7 @@ loongarch_relax_delete_bytes (bfd *abfd,
 static bool
 loongarch_relax_pcala_addi (bfd *abfd, asection *sec,
 		       Elf_Internal_Rela *rel_hi, bfd_vma symval,
-		       struct bfd_link_info *info)
+		       struct bfd_link_info *info, bool *again)
 {
   bfd_byte *contents = elf_section_data (sec)->this_hdr.contents;
   Elf_Internal_Rela *rel_lo = rel_hi + 2;
@@ -3766,6 +3766,9 @@ loongarch_relax_pcala_addi (bfd *abfd, asection *sec,
       || ((bfd_signed_vma)(symval - pc) > (bfd_signed_vma)(int32_t)0x1ffffc))
     return false;
 
+  /* Continue next relax trip.  */
+  *again = true;
+
   pca = pcaddi | rd;
   bfd_put (32, abfd, pca, contents + rel_hi->r_offset);
 
@@ -4006,14 +4009,15 @@ loongarch_elf_relax_section (bfd *abfd, asection *sec,
 	  break;
 	case R_LARCH_PCALA_HI20:
 	  if (0 == info->relax_pass && (i + 4) <= sec->reloc_count)
-	    loongarch_relax_pcala_addi (abfd, sec, rel, symval, info);
+	    loongarch_relax_pcala_addi (abfd, sec, rel, symval, info, again);
 	  break;
 	case R_LARCH_GOT_PC_HI20:
 	  if (local_got && 0 == info->relax_pass
 	      && (i + 4) <= sec->reloc_count)
 	    {
 	      if (loongarch_relax_pcala_ld (abfd, sec, rel))
-		loongarch_relax_pcala_addi (abfd, sec, rel, symval, info);
+		loongarch_relax_pcala_addi (abfd, sec, rel, symval,
+					    info, again);
 	    }
 	  break;
 	default: