[ was: Re: [nvptx] vector length patch series ]
On 14-12-18 20:58, Tom de Vries wrote:
> 0005-nvptx-update-openacc-dim-macros.patch
Factored out this patch.
Committed.
Thanks,
- Tom
[nvptx] Add PTX_CTA_SIZE
2018-12-17 Tom de Vries <tdevr...@suse.de>
* config/nvptx/nvptx.c (PTX_CTA_SIZE): Define.
---
gcc/config/nvptx/nvptx.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index 2a2d638e6d7..f4095ff5f55 100644
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -86,6 +86,11 @@
#define PTX_WORKER_LENGTH 32
#define PTX_DEFAULT_RUNTIME_DIM 0 /* Defer to runtime. */
+/* The PTX concept CTA (Concurrent Thread Array) maps on the CUDA concept thread
+ block, which has had a maximum number of threads of 1024 since CUDA version
+ 2.x. */
+#define PTX_CTA_SIZE 1024
+
/* The various PTX memory areas an object might reside in. */
enum nvptx_data_area
{
