Revert r250771

2017-08-01 Martin Liska <mliska@suse.cz> Revert r250771 Make mempcpy more optimal (PR middle-end/70140). 2017-08-01 Martin Liska <mliska@suse.cz> Revert r250771 Make mempcpy more optimal (PR middle-end/70140). From-SVN: r250788

Revert r250771
2017-08-01 Martin Liska <mliska@suse.cz> Revert r250771 Make mempcpy more optimal (PR middle-end/70140). 2017-08-01 Martin Liska <mliska@suse.cz> Revert r250771 Make mempcpy more optimal (PR middle-end/70140). From-SVN: r250788
7d3eecca · Martin Liska · Martin Liska · 32341663 · 7d3eecca · 7d3eecca
Commit 7d3eecca authored Aug 01, 2017 by Martin Liska Committed by Martin Liska Aug 01, 2017
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gcc/ChangeLog
+5 -0

gcc/builtins.c
+0 -0

gcc/testsuite/ChangeLog
+5 -0

gcc/testsuite/gcc.dg/string-opt-1.c
+2 -3

No files found.
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2017-08-01  Martin Liska  <mliska@suse.cz>
+
+	Revert r250771
+	Make mempcpy more optimal (PR middle-end/70140).
+
 2017-08-01  Jakub Jelinek  <jakub@redhat.com>

 	PR target/81622

--- a/gcc/builtins.c
+++ b/gcc/builtins.c
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
+2017-08-01  Martin Liska  <mliska@suse.cz>
+
+	Revert r250771
+	Make mempcpy more optimal (PR middle-end/70140).
+
 2017-08-01  Jakub Jelinek  <jakub@redhat.com>

 	PR target/81622

--- a/gcc/testsuite/gcc.dg/string-opt-1.c
+++ b/gcc/testsuite/gcc.dg/string-opt-1.c
-/* Ensure mempcpy is "optimized" into memcpy followed by addition.  */
+/* Ensure mempcpy is not "optimized" into memcpy followed by addition.  */
 /* { dg-do compile } */
 /* { dg-options "-O2" } */

@@ -8,5 +8,4 @@ fn (char *x, char *y, int z)
  return __builtin_mempcpy (x, y, z);
 }

-/* { dg-final { scan-assembler-not "mempcpy" } } */
-/* { dg-final { scan-assembler "memcpy" } } */
+/* { dg-final { scan-assembler-not "memcpy" } } */