[gcc(refs/users/giulianob/heads/autopar_rebase2)] Add test for PR95464.c.

Giuliano Belinassi giulianob@gcc.gnu.org
Mon Aug 17 23:12:29 GMT 2020


https://gcc.gnu.org/g:1e3bcb063b839949e3c752c1731abef07b8c007b

commit 1e3bcb063b839949e3c752c1731abef07b8c007b
Author: Vladimir N. Makarov <vmakarov@redhat.com>
Date:   Thu Jun 4 13:32:24 2020 -0400

    Add test for PR95464.c.
    
    2020-06-04  Vladimir Makarov  <vmakarov@redhat.com>
    
            PR middle-end/95464
            * gcc.target/i386/pr95464.c: New.

Diff:
---
 gcc/testsuite/gcc.target/i386/pr95464.c | 64 +++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/gcc/testsuite/gcc.target/i386/pr95464.c b/gcc/testsuite/gcc.target/i386/pr95464.c
new file mode 100644
index 00000000000..33a8290e0cf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr95464.c
@@ -0,0 +1,64 @@
+/* { dg-options "-O2" } */
+/* { dg-do run { target { { *-*-linux* } && { ! ia32 } } } } */
+
+struct S { unsigned a:1, b:1, c:1, d:1, e:14, f:14; };
+
+__attribute__((noipa)) int
+foo (struct S x)
+{
+  if (x.a != 0 || x.b != 1 || x.c != 0 || x.d != 1
+      || x.e != 7239 || x.f != 6474)
+    __builtin_abort ();
+}
+
+__attribute__((noipa)) void
+bar (struct S x, struct S y)
+{
+  if (x.a != 0 || x.b != 1 || x.c != 0 || x.d != 1
+      || x.e != 7239 || x.f != 6474)
+    __builtin_abort ();
+  if (y.a != 0 || y.b != 1 || y.c != 1 || y.d != 1
+      || y.e != 16320 || y.f != 7315)
+    __builtin_abort ();
+}
+
+__attribute__((noipa)) void
+baz (struct S x)
+{
+  if (x.a != 1 || x.b != 1 || x.c != 1 || x.d != 1
+      || x.e != 16320 || x.f != 7315)
+    __builtin_abort ();
+}
+
+__attribute__((noipa)) void
+qux (struct S x, struct S y, unsigned z)
+{
+  struct S a = x, b;
+  for (unsigned i = 0; i < z; ++i)
+    foo (x);
+  if (x.a && x.e == 16)
+    a.e = 32;
+  b = a;
+  b.c = y.c;
+  b.e = y.e;
+  b.f = y.f;
+  bar (a, b);
+  a = b;
+  __asm volatile ("" : : : "ax", "bx", "cx", "dx", "si", "di",
+#ifdef __OPTIMIZE__
+			   "bp",
+#endif
+			   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15");
+  a.a = 1;
+  a.c = 1;
+  baz (a);
+}
+
+int
+main ()
+{
+  struct S x = { 0, 1, 0, 1, 7239, 6474 };
+  struct S y = { 1, 0, 1, 0, 16320, 7315 };
+  qux (x, y, 1);
+  return 0;
+}


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