diff options
Diffstat (limited to 'gcc/config/arm/arm.c')
| -rw-r--r-- | gcc/config/arm/arm.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 1f3f9b3171c..701ab4cfe2d 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -255,6 +255,7 @@ static bool arm_array_mode_supported_p (enum machine_mode, unsigned HOST_WIDE_INT); static enum machine_mode arm_preferred_simd_mode (enum machine_mode); static bool arm_class_likely_spilled_p (reg_class_t); +static HOST_WIDE_INT arm_vector_alignment (const_tree type); static bool arm_vector_alignment_reachable (const_tree type, bool is_packed); static bool arm_builtin_support_vector_misalignment (enum machine_mode mode, const_tree type, @@ -606,6 +607,9 @@ static const struct attribute_spec arm_attribute_table[] = #undef TARGET_CLASS_LIKELY_SPILLED_P #define TARGET_CLASS_LIKELY_SPILLED_P arm_class_likely_spilled_p +#undef TARGET_VECTOR_ALIGNMENT +#define TARGET_VECTOR_ALIGNMENT arm_vector_alignment + #undef TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE #define TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE \ arm_vector_alignment_reachable @@ -25063,6 +25067,18 @@ arm_have_conditional_execution (void) return !TARGET_THUMB1; } +/* The AAPCS sets the maximum alignment of a vector to 64 bits. */ +static HOST_WIDE_INT +arm_vector_alignment (const_tree type) +{ + HOST_WIDE_INT align = tree_low_cst (TYPE_SIZE (type), 0); + + if (TARGET_AAPCS_BASED) + align = MIN (align, 64); + + return align; +} + static unsigned int arm_autovectorize_vector_sizes (void) { |