r254589 was supposed to leave tests unchanged for the default setting of VECTOR_BITS, but I must have got my sums wrong on pr81136.c. Sorry for the breakage.
Tested on aarch64-linux-gnu, x86_64-linux-gnu and powerpc64le-linux-gnu, OK to install? Richard 2017-11-22 Richard Sandiford <richard.sandif...@linaro.org> gcc/testsuite/ PR testsuite/83004 * gcc.dg/vect/pr81136.c: Restore previous alignment of 32 in the default case. Index: gcc/testsuite/gcc.dg/vect/pr81136.c =================================================================== --- gcc/testsuite/gcc.dg/vect/pr81136.c 2017-11-22 09:21:12.538474075 +0000 +++ gcc/testsuite/gcc.dg/vect/pr81136.c 2017-11-22 09:28:04.836628929 +0000 @@ -2,7 +2,13 @@ #include "tree-vect.h" -struct __attribute__((aligned (VECTOR_BITS / 8))) +#if VECTOR_BITS > 256 +#define ALIGNMENT (VECTOR_BITS / 8) +#else +#define ALIGNMENT 32 +#endif + +struct __attribute__((aligned (ALIGNMENT))) { char misaligner; int foo[100];