From: Dimitar Dimitrov <dimitar@dinux.eu>
Date: Fri, 22 Jun 2018 03:35:42 +0000 (+0300)
Subject: testsuite: pru: Add clobber test
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=931dfb70abce3d979b8fa81e3b7c7dfcfecb0cd4;p=gcc.git

testsuite: pru: Add clobber test

gcc/testsuite/ChangeLog:

2020-05-05  Dimitar Dimitrov  <dimitar@dinux.eu>

	* gcc.target/pru/clobber-sp.c: New test.

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 092eab69144..97a1ad5078e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2020-05-05  Dimitar Dimitrov  <dimitar@dinux.eu>
+
+	* gcc.target/pru/clobber-sp.c: New test.
+
 2020-05-05  Dimitar Dimitrov  <dimitar@dinux.eu>
 
 	* gcc.target/pru/lra-framepointer-fragmentation-1.c: Update test to
diff --git a/gcc/testsuite/gcc.target/pru/clobber-sp.c b/gcc/testsuite/gcc.target/pru/clobber-sp.c
new file mode 100644
index 00000000000..3cc0a60bfc9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/pru/clobber-sp.c
@@ -0,0 +1,24 @@
+/* Test inline ASM clobber for SP register */
+
+/* { dg-do compile } */
+/* { dg-options "-O1" } */
+
+/* -O1 in the options is significant.  */
+
+extern void abort (void);
+
+int
+test1 (void)
+{
+  int res;
+
+  /* { dg-warning "listing the stack pointer register 'sp' in a clobber list is deprecated" "" { target pru-*-* } .+2 } */
+  /* { dg-message "note: the value of the stack pointer after an 'asm' statement must be the same as it was before the statement" "" { target pru-*-* } .+1 } */
+  asm volatile(
+	       "ldi	%[res], 101		\n\t"
+	       : [res] "=r" (res)
+	       :
+	       : "sp");
+
+  return res;
+}