From: Jeff Law <law@redhat.com>
Date: Wed, 18 Mar 2020 22:07:28 +0000 (-0600)
Subject: Complete change to resolve pr90275.
X-Git-Tag: basepoints/gcc-11~810
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=529ea7d9596b26ba103578eeab448e9862a2d2c5;p=thirdparty%2Fgcc.git

Complete change to resolve pr90275.

	PR rtl-optimization/90275
	* cse.c (cse_insn): Delete no-op register moves too.
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8694f272a9cc..3a2e491113e7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-03-12  Richard Sandiford  <richard.sandiford@arm.com>
+
+	PR rtl-optimization/90275
+	* cse.c (cse_insn): Delete no-op register moves too.
+
 2020-03-18  Martin Sebor  <msebor@redhat.com>
 
 	PR ipa/92799
diff --git a/gcc/cse.c b/gcc/cse.c
index 08984c170403..3e8724b3fedb 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -5329,7 +5329,6 @@ cse_insn (rtx_insn *insn)
 	  else if (n_sets == 1
 		   && !CALL_P (insn)
 		   && (MEM_P (trial) || REG_P (trial))
-		   && MEM_P (dest)
 		   && rtx_equal_p (trial, dest)
 		   && !side_effects_p (dest)
 		   && (cfun->can_delete_dead_exceptions