On 14 April 2017 at 18:47, Eric Anholt <e...@anholt.net> wrote:
> NEON is sufficiently different on arm64 that we can't just reuse this
> code. Disable it on arm64 for now.
>
> Signed-off-by: Eric Anholt <e...@anholt.net>
> ---
> src/gallium/drivers/vc4/vc4_tiling_lt.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/src/gallium/drivers/vc4/vc4_tiling_lt.c
> b/src/gallium/drivers/vc4/vc4_tiling_lt.c
> index c9cbc65e2dbc..7de67b652daa 100644
> --- a/src/gallium/drivers/vc4/vc4_tiling_lt.c
> +++ b/src/gallium/drivers/vc4/vc4_tiling_lt.c
> @@ -61,7 +61,7 @@ static void
> vc4_load_utile(void *cpu, void *gpu, uint32_t cpu_stride, uint32_t cpp)
> {
> uint32_t gpu_stride = vc4_utile_stride(cpp);
> -#if defined(VC4_BUILD_NEON) && defined(__ARM_ARCH)
> +#if defined(VC4_BUILD_NEON) && defined(__ARM_ARCH) && __ARM_ARCH <= 7
> if (gpu_stride == 8) {
> __asm__ volatile (
> /* Load from the GPU in one shot, no interleave, to
> @@ -118,7 +118,7 @@ vc4_store_utile(void *gpu, void *cpu, uint32_t
> cpu_stride, uint32_t cpp)
> {
> uint32_t gpu_stride = vc4_utile_stride(cpp);
>
> -#if defined(VC4_BUILD_NEON) && defined(__ARM_ARCH)
> +#if defined(VC4_BUILD_NEON) && defined(__ARM_ARCH) && __ARM_ARCH <= 7
This patch should be before 4/4, or it will cause intermittent breakage.
-Emil
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