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authorBill Schmidt <wschmidt@linux.ibm.com>2019-10-07 18:23:20 +0000
committerBill Schmidt <wschmidt@linux.ibm.com>2019-10-07 18:23:20 +0000
commitee6cc3bdac6fac9b4dcadbb471f9bd40d3a72921 (patch)
tree038408ad5c18f7896301c134c31aa23102e4ca88
parentc0bbed0012f4623094f5adbfd56304d7fc70c0ae (diff)
[gcc]
2019-10-07 Bill Schmidt <wschmidt@linux.ibm.com> Backport from mainline 2019-10-01 Bill Schmidt <wschmidt@linux.ibm.com> PR target/91275 * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Don't swap vpmsumd. [gcc/testsuite] 2019-10-07 Bill Schmidt <wschmidt@linux.ibm.com> Backport from mainline 2019-10-01 Bill Schmidt <wschmdit@linux.ibm.com> PR target/91275 * gcc.target/powerpc/pr91275.c: New. git-svn-id: https://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@276667 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog9
-rw-r--r--gcc/config/rs6000/rs6000-p8swap.c5
-rw-r--r--gcc/testsuite/ChangeLog8
-rw-r--r--gcc/testsuite/gcc.target/powerpc/pr91275.c21
4 files changed, 43 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 56a11ea465a..9a1058f1cf4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2019-10-07 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ Backport from mainline
+ 2019-10-01 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ PR target/91275
+ * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Don't swap
+ vpmsumd.
+
2019-10-05 Andrea Corallo <andrea.corallo@arm.com>
Backport from mainline
diff --git a/gcc/config/rs6000/rs6000-p8swap.c b/gcc/config/rs6000/rs6000-p8swap.c
index c3b98315503..d30e5dec980 100644
--- a/gcc/config/rs6000/rs6000-p8swap.c
+++ b/gcc/config/rs6000/rs6000-p8swap.c
@@ -791,6 +791,11 @@ rtx_is_swappable_p (rtx op, unsigned int *special)
case UNSPEC_REDUC_PLUS:
case UNSPEC_REDUC:
return 1;
+ case UNSPEC_VPMSUM:
+ /* vpmsumd is not swappable, but vpmsum[bhw] are. */
+ if (GET_MODE (op) == V2DImode)
+ return 0;
+ break;
}
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1d049689fc9..43d8244a996 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2019-10-07 Bill Schmidt <wschmidt@linux.ibm.com>
+
+ Backport from mainline
+ 2019-10-01 Bill Schmidt <wschmdit@linux.ibm.com>
+
+ PR target/91275
+ * gcc.target/powerpc/pr91275.c: New.
+
2019-10-05 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/47054
diff --git a/gcc/testsuite/gcc.target/powerpc/pr91275.c b/gcc/testsuite/gcc.target/powerpc/pr91275.c
new file mode 100644
index 00000000000..b23d75be29b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr91275.c
@@ -0,0 +1,21 @@
+/* Test that we generate vpmsumd correctly without a swap error. */
+
+/* { dg-do run { target { p8vector_hw } } } */
+/* { dg-options "-O2 -std=gnu11" } */
+
+#include <altivec.h>
+
+int main() {
+
+ const unsigned long long r0l = 0x8e7dfceac070e3a0;
+ vector unsigned long long r0 = (vector unsigned long long) {r0l, 0}, v;
+ const vector unsigned long long pd
+ = (vector unsigned long) {0xc2LLU << 56, 0};
+
+ v = __builtin_crypto_vpmsumd ((vector unsigned long long) {r0[0], 0}, pd);
+
+ if (v[0] != 0x4000000000000000 || v[1] != 0x65bd7ab605a4a8ff)
+ __builtin_abort ();
+
+ return 0;
+}