From: Andrew Pinski <apinski@marvell.com>
Date: Sun, 8 Dec 2019 21:59:25 +0000 (+0000)
Subject: New bswap testcase.
X-Git-Tag: upstream/12.2.0~19786
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a0d169d17a275c66e6e59d843097aa1a9a87d918;p=platform%2Fupstream%2Fgcc.git

New bswap testcase.


2019-12-08  Andrew Pinski  <apinski@marvell.com>

        * gcc.c-torture/execute/bswap-3.c: New test.

From-SVN: r279100
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3516d8d..d069d0c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-12-08  Andrew Pinski  <apinski@marvell.com>
+
+	* gcc.c-torture/execute/bswap-3.c: New test.
+
 2019-12-08  Sandra Loosemore  <sandra@codesourcery.com>
 
 	Revert:
diff --git a/gcc/testsuite/gcc.c-torture/execute/bswap-3.c b/gcc/testsuite/gcc.c-torture/execute/bswap-3.c
new file mode 100644
index 0000000..633711e
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/bswap-3.c
@@ -0,0 +1,25 @@
+/* { dg-require-effective-target int32plus } */
+
+int f(unsigned int a) __attribute__((noipa));
+int f(unsigned int a)
+{
+  return ((__builtin_bswap32(a))>>24) & 0x3;
+}
+
+
+int g(unsigned int a) __attribute__((noipa));
+int g(unsigned int a)
+{
+  return a&0x3;
+}
+
+int main(void)
+{
+  for (int b = 0; b <= 0xF; b++)
+    {
+      if (f(b) != g(b))
+	__builtin_abort ();
+    }
+  return 0;
+}
+