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authorRong Xu <xur@google.com>2014-11-05 22:25:07 (GMT)
committerRong Xu <xur@google.com>2014-11-05 22:25:07 (GMT)
commitba21122c63b06a70b620c8990c517b87198ad05b (patch)
treeba7f334580c346987b5686ffc95dcc6a732a931c /gcc-4.9/gcc/testsuite/gcc.target/aarch64
parent39dbe572beead93798002c03b4897afaf018cd04 (diff)
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[4.9] Restore recog state after finding pre-madd instruction.
This patch backports svn r216853 from upsteam gcc-4.9 branch that fixed a bug introduced in fixing cortex a53 erratum 835769. Change-Id: Iccc6fd04ede28c2deba51be3f8e348ce374c8b4f
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/aarch64')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c
new file mode 100644
index 0000000..523941d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c
@@ -0,0 +1,14 @@
+/* { dg-do assemble } */
+/* { dg-options "-O2 -mfix-cortex-a53-835769" } */
+
+int
+test (int a, double b, int c, int d, int e)
+{
+ double result;
+ __asm__ __volatile ("// %0, %1"
+ : "=w" (result)
+ : "0" (b)
+ : /* No clobbers */
+ );
+ return c * d + e;
+}