gcc/testsuite/

	* gcc.target/mips/r10k-cache-barrier-10.c: Make a branch-likely
	instruction more likely.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194705 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 11 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ed50045e74e..315fb0e01cc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
 2012-12-23  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	* gcc.target/mips/r10k-cache-barrier-10.c: Make a branch-likely
+	instruction more likely.
+
+2012-12-23  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* gcc.target/mips/pr55315.c: Cast to long rather than int.
 
 2012-12-22  Tobias Burnus  <burnus@net-b.de>
diff --git a/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c
index 1b8c6f4ab49..ad0d2b0491b 100644
--- a/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c
+++ b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c
@@ -9,6 +9,12 @@ unsigned char *bar (int);
 NOMIPS16 void
 foo (unsigned char *n)
 {
+  /* n starts in $4, but will be in $2 after the call to bar.
+     Encourage it to be in $2 on entry to the loop as well,
+     by doing some computation on it beforehand (D?ADDIU $2,$4,4).
+     dbr_schedule should then pull the *n load (L[WD] ...,0($2))
+     into the delay slot.  */
+  n += 4;
   do
     n = bar (*n + 1);
   while (n);