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From: Tom de Vries <vries@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-5836] nvptx: Add test-case gcc.target/nvptx/exttrunc-1.c
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https://gcc.gnu.org/g:d3d44a00e511f0402e8a2449c1c9c27f28ac9cf7

commit r12-5836-gd3d44a00e511f0402e8a2449c1c9c27f28ac9cf7
Author: Roger Sayle <roger@nextmovesoftware.com>
Date:   Wed Dec 8 14:21:49 2021 +0100

    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:
---
 gcc/testsuite/gcc.target/nvptx/exttrunc-1.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gcc/testsuite/gcc.target/nvptx/exttrunc-1.c b/gcc/testsuite/gcc.target/nvptx/exttrunc-1.c
new file mode 100644
index 00000000000..ed9ceee700e
--- /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 } } */