From 2a2592a10c13c53fc1fbac0bfe9e661201dab53f Mon Sep 17 00:00:00 2001 From: William Schmidt Date: Tue, 1 Oct 2019 14:27:44 +0000 Subject: [PATCH] rs6000-p8swap.c (rtx_is_swappable_p): Don't swap vpmsumd. [gcc] 2019-10-01 Bill Schmidt * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Don't swap vpmsumd. [gcc/testsuite] 2019-10-01 Bill Schmidt * gcc.target/powerpc/pr91275.c: New. From-SVN: r276410 --- gcc/ChangeLog | 5 +++++ gcc/config/rs6000/rs6000-p8swap.c | 5 +++++ gcc/testsuite/ChangeLog | 4 ++++ gcc/testsuite/gcc.target/powerpc/pr91275.c | 21 +++++++++++++++++++++ 4 files changed, 35 insertions(+) create mode 100644 gcc/testsuite/gcc.target/powerpc/pr91275.c 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 + + * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Don't swap + vpmsumd. + 2019-10-01 Ilya Leoshkevich 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 + + * gcc.target/powerpc/pr91275.c: New. + 2019-10-01 Alexandre Oliva * 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 + +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; +} -- 2.7.4