From: Alan Modra <amodra@gmail.com>
Date: Thu, 5 Mar 2020 11:04:23 +0000 (+1030)
Subject: Reduce --warn-section-align output
X-Git-Url: http://git.efficios.com/?a=commitdiff_plain;h=92d4b13bf378f575cdc796ec9340c12267b7eff1;p=deliverable%2Fbinutils-gdb.git

Reduce --warn-section-align output

	PR 25570
	* ldlang.c (lang_size_sections_1): Don't report changes on
	second and subsequent iterations that make no change in
	alignment from that already reported.
---

diff --git a/ld/ChangeLog b/ld/ChangeLog
index b634dd8732..666ce5cb7d 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,10 @@
+2020-03-05  Alan Modra  <amodra@gmail.com>
+
+	PR 25570
+	* ldlang.c (lang_size_sections_1): Don't report changes on
+	second and subsequent iterations that make no change in
+	alignment from that already reported.
+
 2020-03-05  Alan Modra  <amodra@gmail.com>
 
 	PR 25570
diff --git a/ld/ldlang.c b/ld/ldlang.c
index 6ffa7af575..63f9d182ea 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -5597,7 +5597,13 @@ lang_size_sections_1
 		    if (lang_sizing_iteration == 1)
 		      diff = dotdelta;
 		    else if (lang_sizing_iteration > 1)
-		      diff = newdot - os->bfd_section->vma;
+		      {
+			/* Only report adjustments that would change
+			   alignment from what we have already reported.  */
+			diff = newdot - os->bfd_section->vma;
+			if (!(diff & (((bfd_vma) 1 << section_alignment) - 1)))
+			  diff = 0;
+		      }
 		    if (diff != 0
 			&& (config.warn_section_align
 			    || os->addr_tree != NULL))