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* [gcc r11-10549] rs6000/test: Adjust some test cases on partial vector [PR96373]
@ 2023-02-27 2:57 Kewen Lin
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From: Kewen Lin @ 2023-02-27 2:57 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:cf3d95cce379f3260ad27264de0398e2ed1db2ea
commit r11-10549-gcf3d95cce379f3260ad27264de0398e2ed1db2ea
Author: Kewen Lin <linkw@linux.ibm.com>
Date: Mon Feb 13 20:03:26 2023 -0600
rs6000/test: Adjust some test cases on partial vector [PR96373]
As Richard pointed out in [1] and the testing on Power10, the
proposed fix for PR96373 requires some updates on a few rs6000
test cases which adopt partial vector. This patch is to fix
all of them with one extra option "-fno-trapping-math" as
Richard suggested.
Besides, the original test case also failed on Power10 without
Richard's proposed fix, this patch adds it together for a bit
better testing coverage.
[1] https://gcc.gnu.org/pipermail/gcc-patches/2023-January/610728.html
PR target/96373
gcc/testsuite/ChangeLog:
* gcc.target/powerpc/p9-vec-length-epil-1.c: Add -fno-trapping-math.
* gcc.target/powerpc/p9-vec-length-epil-2.c: Likewise.
* gcc.target/powerpc/p9-vec-length-epil-3.c: Likewise.
* gcc.target/powerpc/p9-vec-length-epil-4.c: Likewise.
* gcc.target/powerpc/p9-vec-length-epil-5.c: Likewise.
* gcc.target/powerpc/p9-vec-length-epil-6.c: Likewise.
* gcc.target/powerpc/p9-vec-length-epil-8.c: Likewise.
* gcc.target/powerpc/p9-vec-length-full-1.c: Likewise.
* gcc.target/powerpc/p9-vec-length-full-2.c: Likewise.
* gcc.target/powerpc/p9-vec-length-full-3.c: Likewise.
* gcc.target/powerpc/p9-vec-length-full-4.c: Likewise.
* gcc.target/powerpc/p9-vec-length-full-5.c: Likewise.
* gcc.target/powerpc/p9-vec-length-full-6.c: Likewise.
* gcc.target/powerpc/p9-vec-length-full-8.c: Likewise.
* gcc.target/powerpc/pr96373.c: New test.
(cherry picked from commit 4f5a1198065dc078f8099db628da7b06a2666f34)
Diff:
---
.../gcc.target/powerpc/p9-vec-length-epil-1.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-epil-2.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-epil-3.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-epil-4.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-epil-5.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-epil-6.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-epil-8.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-full-1.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-full-2.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-full-3.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-full-4.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-full-5.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-full-6.c | 2 +-
.../gcc.target/powerpc/p9-vec-length-full-8.c | 2 +-
gcc/testsuite/gcc.target/powerpc/pr96373.c | 31 ++++++++++++++++++++++
15 files changed, 45 insertions(+), 14 deletions(-)
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-1.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-1.c
index d248f091b52..dfcc0e95320 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-1.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=1" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-2.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-2.c
index 9f78a447ec7..e63f1bf2372 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-2.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-2.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=1" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-3.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-3.c
index a08797fcbca..4a99e3a3265 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-3.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-3.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=1" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-4.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-4.c
index ad051fb1cef..9fbee6a4324 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-4.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-4.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=1" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-5.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-5.c
index a24c30feeba..d023a998c3b 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-5.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-5.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=1" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-6.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-6.c
index 4eaeb3b005f..dbce90757e3 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-6.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-6.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=1" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-8.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-8.c
index 961df0d5646..b7b01fc14d8 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-8.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-epil-8.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=1" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-1.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-1.c
index 3336752edbb..f01f1c54fa5 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-1.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=2" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-2.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-2.c
index 98abf8b33b1..f546e97fa7d 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-2.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-2.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=2" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-3.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-3.c
index 0881d1a960a..65142b3fecd 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-3.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-3.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=2" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-4.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-4.c
index 8ce3dc19a60..a4cc7aafaeb 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-4.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-4.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=2" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-5.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-5.c
index f9f58ba11f5..4b0b9070c84 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-5.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-5.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=2" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-6.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-6.c
index 5d2357aabfa..65ddf2b098a 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-6.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-6.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=2" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-8.c b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-8.c
index 1fc2af1e753..7fe0dd00431 100644
--- a/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-8.c
+++ b/gcc/testsuite/gcc.target/powerpc/p9-vec-length-full-8.c
@@ -1,5 +1,5 @@
/* { dg-do compile { target { lp64 && powerpc_p9vector_ok } } } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops" } */
+/* { dg-options "-mdejagnu-cpu=power9 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fno-trapping-math" } */
/* { dg-additional-options "--param=vect-partial-vector-usage=2" } */
diff --git a/gcc/testsuite/gcc.target/powerpc/pr96373.c b/gcc/testsuite/gcc.target/powerpc/pr96373.c
new file mode 100644
index 00000000000..f0471b6f68b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr96373.c
@@ -0,0 +1,31 @@
+/* { dg-do run { target { powerpc*-*-linux* } } } */
+/* { dg-options "-O2 -ftree-vectorize" } */
+
+/* Verify it can run successfully, especially on Power10 and later. */
+
+#define _GNU_SOURCE
+#include <fenv.h>
+
+__attribute__ ((noipa)) void
+div (double *d, double *s, int n)
+{
+ for (; n; n--, d++, s++)
+ *d = *d / *s;
+}
+
+int main()
+{
+ double d[] = {1,2,3,4,5,6,7,8,9,10,11};
+ double s[] = {11,10,9,8,7,6,5,4,3,2,1};
+
+ feenableexcept(FE_DIVBYZERO|FE_INVALID);
+ div(d, s, 11);
+
+ int i;
+ for (i = 0; i < 11; i++)
+ __builtin_printf(" %f", d[i]);
+
+ __builtin_printf("\n");
+
+ return 0;
+}
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