From: Georg-Johann Lay <avr@gjlay.de>
Date: Fri, 29 Jul 2016 09:14:02 +0000 (+0000)
Subject: lib1funcs.S (__muldi3): No need to clear zero_reg as previous call to __umulhisi3... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=96aa1f95586f4741bba9f5f254d9f57903ebe53a;p=gcc.git

lib1funcs.S (__muldi3): No need to clear zero_reg as previous call to __umulhisi3 already cleared it.

	* config/avr/lib1funcs.S (__muldi3) [have MUL]: No need to clear
	zero_reg as previous call to __umulhisi3 already cleared it.

From-SVN: r238850
---

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index f3e9104f896..2c9140ae2e9 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-07-29  Georg-Johann Lay  <avr@gjlay.de>
+
+	* config/avr/lib1funcs.S (__muldi3) [have MUL]: No need to clear
+	zero_reg as previous call to __umulhisi3 already cleared it.
+
 2016-07-21  Aurelien Jarno <aurelien@aurel32.net>
 
 	PR target/59833
diff --git a/libgcc/config/avr/lib1funcs.S b/libgcc/config/avr/lib1funcs.S
index 61fa61bb8cd..82adfda4402 100644
--- a/libgcc/config/avr/lib1funcs.S
+++ b/libgcc/config/avr/lib1funcs.S
@@ -958,7 +958,6 @@ DEFUN __muldi3
     wmov    A4, C4
     wmov    A6, C6
 
-    clr     __zero_reg__
     pop     r16
     pop     r17
     pop     r28