From: Jeff Law <law@redhat.com>
Date: Wed, 27 May 2015 21:13:25 +0000 (-0600)
Subject: re PR target/39726 ([cond-optab] ColdFire pessimizations on QImode/HImode tests)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b60685a379cabc5be2a633696318fb0364b45a78;p=gcc.git

re PR target/39726 ([cond-optab] ColdFire pessimizations on QImode/HImode tests)

        PR target/39726
        * gcc.dg/target/m68k/pr39726-1.c: New test.

From-SVN: r223781
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 76bb537db1b..6528d42438a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2964,6 +2964,7 @@
 
 2015-05-07  Jeff Law  <law@redhat.com>
 
+	PR target/39726
 	* match.pd (bit_and (plus/minus (convert @0) (convert @1) mask): New
 	simplifier to narrow arithmetic.
 	* generic-match-head.c: (types_match, single_use): New functions.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1923a2f2fba..a1a242e3bb5 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-05-27  Jeff Law  <law@redhat.com>
+
+	PR target/39726
+	* gcc.dg/target/m68k/pr39726-1.c: New test.
+
 2015-05-27  Nathan Sidwell  <nathan@acm.org>
 
 	PR c++/66270
diff --git a/gcc/testsuite/gcc.target/m68k/pr39726.c b/gcc/testsuite/gcc.target/m68k/pr39726.c
new file mode 100644
index 00000000000..94d41ba2159
--- /dev/null
+++ b/gcc/testsuite/gcc.target/m68k/pr39726.c
@@ -0,0 +1,65 @@
+/* { dg-do assemble } /*
+/* { dg-options "-O2 -fomit-frame-pointer" } */
+/* { dg-final { object-size text <= 228 } } */
+
+unsigned char v;
+
+int a0bs (unsigned char u, unsigned char w)
+{
+  if ((u - w) & 0x80)
+    v = 1;
+}
+
+int a1bs (unsigned char u, unsigned char w)
+{
+  if ((u + w) & 0x80)
+    v = 1;
+}
+
+int a0b (unsigned char u, unsigned char w)
+{
+  if ((u - w) & 0x22)
+    v = 1;
+}
+
+int a1b (unsigned char u, unsigned char w)
+{
+  if ((u + w) & 0x22)
+    v = 1;
+}
+
+int a0ws (unsigned short u, unsigned short w)
+{
+  if ((u - w) & 0x8000)
+    v = 1;
+}
+
+int a1ws (unsigned short u, unsigned short w)
+{
+  if ((u + w) & 0x8000)
+    v = 1;
+}
+
+int a0wbs (unsigned short u, unsigned short w)
+{
+  if ((u - w) & 0x80)
+    v = 1;
+}
+
+int a1wbs (unsigned short u, unsigned short w)
+{
+  if ((u + w) & 0x80)
+    v = 1;
+}
+
+int a0w (unsigned short u, unsigned short w)
+{
+  if ((u - w) & 0x8421)
+    v = 1;
+}
+
+int a1w (unsigned short u, unsigned short w)
+{
+  if ((u + w) & 0x8421)
+    v = 1;
+}