This is a test case that fell out from our work to make the SH backend work
with LRA. The test case might currently fail, but should eventually pass
after the other SH LRA patches are in and the switch has been flipped.
Best regards,
Oleg Endo
gcc/testsuite/ChangeLog:
PR target/55212
* gcc.target/sh/pr55212-c248.c: New test.
From 24f4191e49aacce1d980be6fa8462fcc335f3549 Mon Sep 17 00:00:00 2001
From: Kaz Kojima <[email protected]>
Date: Fri, 20 Sep 2024 18:36:22 +0900
Subject: [PATCH] SH: A test case for wrong-code with -mlra PR55212 c#192 / c#248 / att. 59102
gcc/testsuite/ChangeLog:
PR target/55212
* gcc.target/sh/pr55212-c248.c: New test.
---
gcc/testsuite/gcc.target/sh/pr55212-c248.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/sh/pr55212-c248.c
diff --git a/gcc/testsuite/gcc.target/sh/pr55212-c248.c b/gcc/testsuite/gcc.target/sh/pr55212-c248.c
new file mode 100644
index 0000000..94fd6af
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sh/pr55212-c248.c
@@ -0,0 +1,31 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -m4 -mlra -ffixed-r7 -ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 -ffixed-r13" } */
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct { int c[64]; } obj;
+obj obj0;
+obj obj1;
+
+void __attribute__ ((noinline))
+bar (int a, int b, int c, int d, obj *q)
+{
+ if (q->c[0] != 0x12345678 || q->c[1] != 0xdeadbeef)
+ abort ();
+}
+
+void foo (obj *p)
+{
+ obj bobj;
+ bobj = *p;
+ bar (0, 0, 0, 0, &bobj);
+}
+
+int
+main ()
+{
+ obj0.c[0] = 0x12345678;
+ obj0.c[1] = 0xdeadbeef;
+ foo (&obj0);
+ exit (0);
+}
--
libgit2 1.9.0
