* [nvptx, committed] Define TARGET_HAVE_SPECULATION_SAFE_VALUE
@ 2018-08-01 13:53 Tom de Vries
0 siblings, 0 replies; only message in thread
From: Tom de Vries @ 2018-08-01 13:53 UTC (permalink / raw)
To: gcc-patches
Hi,
this defines new target hook TARGET_HAVE_SPECULATION_SAFE_VALUE for nvptx.
Since AFAIK nvidia claims the related security issue does not exist on their
video hardware, we set it to speculation_safe_value_not_needed.
Build and reg-tested on x86_64 with nvptx accelerator.
Committed.
Thanks,
- Tom
[nvptx] Define TARGET_HAVE_SPECULATION_SAFE_VALUE
2018-08-01 Tom de Vries <tdevries@suse.de>
PR target/86800
* config/nvptx/nvptx.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to
speculation_safe_value_not_needed.
---
gcc/config/nvptx/nvptx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index c1946e75f42..c0b0a2ec3ab 100644
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -6048,6 +6048,9 @@ nvptx_can_change_mode_class (machine_mode, machine_mode, reg_class_t)
#undef TARGET_CAN_CHANGE_MODE_CLASS
#define TARGET_CAN_CHANGE_MODE_CLASS nvptx_can_change_mode_class
+#undef TARGET_HAVE_SPECULATION_SAFE_VALUE
+#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed
+
struct gcc_target targetm = TARGET_INITIALIZER;
#include "gt-nvptx.h"
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