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| author | William Schmidt <wschmidt@gcc.gnu.org> | 2019-10-01 14:27:44 +0000 |
|---|---|---|
| committer | William Schmidt <wschmidt@gcc.gnu.org> | 2019-10-01 14:27:44 +0000 |
| commit | 2a2592a10c13c53fc1fbac0bfe9e661201dab53f (patch) | |
| tree | 8ee246f7c9beeccd64f43fc54ffed031269263ce | |
| parent | a1bfb5b16b4b55ae875d346a7b462a18316ad959 (diff) | |
| download | gcc-2a2592a10c13c53fc1fbac0bfe9e661201dab53f.zip gcc-2a2592a10c13c53fc1fbac0bfe9e661201dab53f.tar.gz gcc-2a2592a10c13c53fc1fbac0bfe9e661201dab53f.tar.bz2 | |
rs6000-p8swap.c (rtx_is_swappable_p): Don't swap vpmsumd.
[gcc]
2019-10-01 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Don't swap
vpmsumd.
[gcc/testsuite]
2019-10-01 Bill Schmidt <wschmdit@linux.ibm.com>
* gcc.target/powerpc/pr91275.c: New.
From-SVN: r276410
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000-p8swap.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr91275.c | 21 |
4 files changed, 35 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c32bf84..b671ae6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-10-01 Bill Schmidt <wschmidt@linux.ibm.com> + + * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Don't swap + vpmsumd. + 2019-10-01 Ilya Leoshkevich <iii@linux.ibm.com> PR target/77918 diff --git a/gcc/config/rs6000/rs6000-p8swap.c b/gcc/config/rs6000/rs6000-p8swap.c index c3b9831..d30e5de 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 4f876e5..995e1cb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2019-10-01 Bill Schmidt <wschmdit@linux.ibm.com> + + * gcc.target/powerpc/pr91275.c: New. + 2019-10-01 Alexandre Oliva <oliva@adacore.com> * gcc.dg/torture/pr41094.c: Introduce intermediate variable. diff --git a/gcc/testsuite/gcc.target/powerpc/pr91275.c b/gcc/testsuite/gcc.target/powerpc/pr91275.c new file mode 100644 index 0000000..b23d75b --- /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; +} |