diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6000e25..760869e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + PR target/71270 + * config/arm/arm.c (neon_valid_immediate): Reject vector constants + in big-endian mode when they are not a single duplicated value. + 2017-01-20 Richard Biener <rguenther@suse.de> * BASE-VER: Bump to 7.0.1. diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 96777f0..934f5d1 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -11667,6 +11667,12 @@ neon_valid_immediate (rtx op, machine_mode mode, int inverse, return 18; } + /* The tricks done in the code below apply for little-endian vector layout. + For big-endian vectors only allow vectors of the form { a, a, a..., a }. + FIXME: Implement logic for big-endian vectors. */ + if (BYTES_BIG_ENDIAN && vector && !const_vec_duplicate_p (op)) + return -1; + /* Splat vector constant out into a byte vector. */ for (i = 0; i < n_elts; i++) { |