From: Alexandre Oliva <oliva@adacore.com>
Date: Fri, 25 Feb 2022 01:03:40 +0000 (-0300)
Subject: Revert commit r12-5852-g50e8b0c9bca6cdc57804f860ec5311b641753fbb
X-Git-Tag: basepoints/gcc-13~929
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a9e2ebe839d56416ceaff1a40df54de4890539be;p=thirdparty%2Fgcc.git

Revert commit r12-5852-g50e8b0c9bca6cdc57804f860ec5311b641753fbb

The patch for PR103302 caused PR104121, and extended the live ranges
of LRA reloads.


for gcc/ChangeLog

	PR target/104121
	PR target/103302
	* expr.cc (emit_move_multi_word): Restore clobbers during LRA.
---

diff --git a/gcc/expr.cc b/gcc/expr.cc
index 35e40299753b..5f7142b975ad 100644
--- a/gcc/expr.cc
+++ b/gcc/expr.cc
@@ -3929,7 +3929,7 @@ emit_move_multi_word (machine_mode mode, rtx x, rtx y)
      hard regs shouldn't appear here except as return values.
      We never want to emit such a clobber after reload.  */
   if (x != y
-      && ! (lra_in_progress || reload_in_progress || reload_completed)
+      && ! (reload_in_progress || reload_completed)
       && need_clobber != 0)
     emit_clobber (x);