https://gcc.gnu.org/g:bf0aa9dc8826b1d2a71e52754c117228134825b5
commit r15-7679-gbf0aa9dc8826b1d2a71e52754c117228134825b5
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Mon Feb 24 05:44:40 2025 +0800
x86: Add tests for PR tree-optimization/82142
Verify that PR tree-optimization/82142 testcase is properly optimized.
PR tree-optimization/82142
* gcc.target/i386/pr82142a.c: New file.
* gcc.target/i386/pr82142b.c: Likewise.
Signed-off-by: H.J. Lu <hjl.to...@gmail.com>
Diff:
---
gcc/testsuite/gcc.target/i386/pr82142a.c | 32 ++++++++++++++++++++++++++++++++
gcc/testsuite/gcc.target/i386/pr82142b.c | 20 ++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/gcc/testsuite/gcc.target/i386/pr82142a.c
b/gcc/testsuite/gcc.target/i386/pr82142a.c
new file mode 100644
index 000000000000..a40c038452cf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr82142a.c
@@ -0,0 +1,32 @@
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-O2 -mno-avx -msse2" } */
+/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc'). */
+/* { dg-final { check-function-bodies "**" "" "" { target "*-*-*" } {^\t?\.}
} } */
+
+/*
+**assignzero:
+**.LFB0:
+** .cfi_startproc
+** pxor %xmm0, %xmm0
+** movups %xmm0, 32\(%(?:r|e)di\)
+** movups %xmm0, \(%(?:r|e)di\)
+** movups %xmm0, 16\(%(?:r|e)di\)
+** movups %xmm0, 44\(%(?:r|e)di\)
+** ret
+**...
+*/
+
+typedef struct
+{
+ int a, b, c;
+ char j, k, k1;
+ int l, m, n[8];
+ char c1, c2;
+} foo;
+
+void
+assignzero (foo *p)
+{
+ foo tmp = {};
+ *p = tmp;
+}
diff --git a/gcc/testsuite/gcc.target/i386/pr82142b.c
b/gcc/testsuite/gcc.target/i386/pr82142b.c
new file mode 100644
index 000000000000..b1bf12d9a5b2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr82142b.c
@@ -0,0 +1,20 @@
+/* { dg-do compile { target ia32 } } */
+/* { dg-options "-O2 -mno-avx -msse2" } */
+/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc'). */
+/* { dg-final { check-function-bodies "**" "" "" { target "*-*-*" } {^\t?\.}
} } */
+
+/*
+**assignzero:
+**.LFB0:
+** .cfi_startproc
+** movl 4\(%esp\), %eax
+** pxor %xmm0, %xmm0
+** movups %xmm0, 32\(%eax\)
+** movups %xmm0, \(%eax\)
+** movups %xmm0, 16\(%eax\)
+** movups %xmm0, 44\(%eax\)
+** ret
+**...
+*/
+
+#include "pr82142a.c"
