nvptx: Add test-case gcc.target/nvptx/exttrunc-1.c

Add new test-case converting short to char and back to short.

Tested on nvptx.

gcc/testsuite/ChangeLog:

	* gcc.target/nvptx/exttrunc-1.c: New test case.

diff --git a/gcc/testsuite/gcc.target/nvptx/exttrunc-1.c b/gcc/testsuite/gcc.target/nvptx/exttrunc-1.c
new file mode 100644 (file)
index 0000000..ed9ceee
--- /dev/null
+++ b/gcc/testsuite/gcc.target/nvptx/exttrunc-1.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+short exttrunc_hi2_qi(short x)
+{
+  return (char)x;
+}
+
+/* Match:
+   mov.u32 %r24, %ar0;
+   cvt.u32.u32 %r26, %r24;
+   cvt.s32.s8 %value, %r26;
+   Todo: Remove cvt.u32.u32.  */
+
+/* { dg-final { scan-assembler-times "mov\.u32\t%r\[0-9\]*, %ar0" 1 } } */
+/* { dg-final { scan-assembler-times "mov\." 1 } } */
+
+/* { dg-final { scan-assembler-times "cvt\.u32\.u32" 1 } } */
+/* { dg-final { scan-assembler-times "cvt\.s32\.s8" 1 } } */
+/* { dg-final { scan-assembler-times "cvt\." 2 } } */