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lib1funcs.S (__muldi3): No need to clear zero_reg as previous call to __umulhisi3...
authorGeorg-Johann Lay <avr@gjlay.de>
Fri, 29 Jul 2016 09:14:02 +0000 (09:14 +0000)
committerGeorg-Johann Lay <gjl@gcc.gnu.org>
Fri, 29 Jul 2016 09:14:02 +0000 (09:14 +0000)
* config/avr/lib1funcs.S (__muldi3) [have MUL]: No need to clear
zero_reg as previous call to __umulhisi3 already cleared it.

From-SVN: r238850

libgcc/ChangeLog patch | blob | history
libgcc/config/avr/lib1funcs.S patch | blob | history

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index f3e9104f8964d1d7e729a967389bbed8aaada88e..2c9140ae2e96cecc73c8e396abbb5d1143f3f382 100644 (file)
--- 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 61fa61bb8cd77827cd8a190a7c78cac19b1026e8..82adfda44021a3eda3e748d335159f109b52a07d 100644 (file)
--- 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