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* [gcc r12-2681] x86: Add testcases for PR target/80566
@ 2021-08-03 3:38 H.J. Lu
0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2021-08-03 3:38 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:585394d30dc975566186a02e75baf301dbbcc9ba
commit r12-2681-g585394d30dc975566186a02e75baf301dbbcc9ba
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 2 20:34:13 2021 -0700
x86: Add testcases for PR target/80566
PR target/80566
* g++.target/i386/pr80566-1.C: New test.
* g++.target/i386/pr80566-2.C: Likewise.
Diff:
---
gcc/testsuite/g++.target/i386/pr80566-1.C | 15 +++++++++++++++
gcc/testsuite/g++.target/i386/pr80566-2.C | 14 ++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/gcc/testsuite/g++.target/i386/pr80566-1.C b/gcc/testsuite/g++.target/i386/pr80566-1.C
new file mode 100644
index 00000000000..753f9740529
--- /dev/null
+++ b/gcc/testsuite/g++.target/i386/pr80566-1.C
@@ -0,0 +1,15 @@
+// { dg-do compile }
+// { dg-options "-O2 -march=haswell" }
+
+#include <cstring>
+
+int *
+foo()
+{
+ int * p = new int[16];
+ memset(p,0,16*sizeof(int));
+ return p;
+}
+
+/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */
+/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%ymm" 2 } } */
diff --git a/gcc/testsuite/g++.target/i386/pr80566-2.C b/gcc/testsuite/g++.target/i386/pr80566-2.C
new file mode 100644
index 00000000000..2a2e82d0a3a
--- /dev/null
+++ b/gcc/testsuite/g++.target/i386/pr80566-2.C
@@ -0,0 +1,14 @@
+// { dg-do compile }
+// { dg-options "-O2 -march=haswell" }
+
+#include <cstring>
+
+int *
+foo(int * q)
+{
+ int * p = new int[16];
+ memcpy(q,p,16*sizeof(int));
+ return p;
+}
+
+/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%ymm" 4 } } */
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