PR rtl-optimization/31344

	* expr.c (emit_move_change_mode): Change mode of push operands here.

testsuite/ChangeLog:

	PR rtl-optimization/31344
	* gcc.dg/pr31344.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124825 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 25 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/pr31344.c b/gcc/testsuite/gcc.dg/pr31344.c
new file mode 100644
index 00000000000..a01439b7e0e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr31344.c
@@ -0,0 +1,25 @@
+/* { dg-do compile { target dfp } } */
+/* { dg-options "-O -std=gnu99 -mtune=i386" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-options "-O -std=gnu99" } */
+
+typedef struct
+{
+  unsigned char bits;
+} decNumber;
+
+typedef struct
+{
+  unsigned char bytes[1];
+} decimal32;
+
+extern decNumber *__decimal32ToNumber (const decimal32 *, decNumber *);
+extern void __host_to_ieee_32 (_Decimal32, decimal32 *);
+
+void
+foo (_Decimal32 arg)
+{
+  decNumber dn;
+  decimal32 d32;
+  __host_to_ieee_32 (arg, &d32);
+  __decimal32ToNumber (&d32, &dn);
+}