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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2012-02-08 13:29:22 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2012-02-08 13:29:22 +0000
commit3e527904ded3f4472a11d0473a5d4daca607ce77 (patch)
tree18998203ec72edbfcd8709766098cdd7edafc8d5 /gcc/testsuite/gcc.dg
parent8d35458263f3c53f3ffd56030c0280ffd57ceead (diff)
downloadgcc-3e527904ded3f4472a11d0473a5d4daca607ce77.tar.gz
2012-02-08 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/52170 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to properly handle integer vector modes. * gcc.dg/torture/pr52170.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184007 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg')
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr52170.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr52170.c b/gcc/testsuite/gcc.dg/torture/pr52170.c
new file mode 100644
index 00000000000..3d0a038893d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr52170.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+
+typedef unsigned char uint8_t ;
+typedef unsigned long uint32_t;
+void f0a(uint32_t * result, uint32_t * arg1)
+{
+ int idx;
+ for (idx=0;idx<96;idx += 1)
+ {
+ uint8_t temp_5;
+ uint8_t temp_6;
+
+ temp_5 = ~(*arg1);
+ temp_6 = (*arg1) + 1 - temp_5;
+ result[idx] = temp_6;
+ }
+}