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* [gcc(refs/users/meissner/heads/work070)] Add missing XXSPLTI32DX test.
@ 2021-10-05 18:00 Michael Meissner
0 siblings, 0 replies; only message in thread
From: Michael Meissner @ 2021-10-05 18:00 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8f0453b240fadeff4216acd54985c003ce7911a1
commit 8f0453b240fadeff4216acd54985c003ce7911a1
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Tue Oct 5 13:59:53 2021 -0400
Add missing XXSPLTI32DX test.
2021-10-05 Michael Meissner <meissner@linux.ibm.com>
gcc/testsuite/
* gcc.target/powerpc/vec-splat-constant-v2di-2.c: New test.
Diff:
---
.../gcc.target/powerpc/vec-splat-constant-v2di-2.c | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c
new file mode 100644
index 00000000000..2730742752a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target power10_ok } */
+/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx -mxxspltiw" } */
+
+/* Test generation of integer constants loaded into the vector registers with
+ the ISA 3.1 (power10) instruction XXSPLTI32DX. */
+
+#define LARGE_BITS 0x12345678ABCDEF01LL
+#define SUBNORMAL 0x8000000000000001LL
+
+/* 0x8000000000000001LL is the bit pattern for a negative subnormal value can
+ be generated with XXSPLTI32DX but not XXSLTIDP. */
+vector long long
+vector_float_subnormal (void)
+{
+ /* 2x XXSPLTI32DX. */
+ return (vector long long) { SUBNORMAL, SUBNORMAL };
+}
+
+/* 0x12345678ABCDEF01LL is a large constant that can be loaded with 2x
+ XXSPLTI32DX instructions. */
+vector long long
+vector_large_constant (void)
+{
+ /* 2x XXSPLTI32DX. */
+ return (vector long long) { LARGE_BITS, LARGE_BITS };
+}
+
+/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 4 } } */
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