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[nvptx, committed] Use TARGET_SET_CURRENT_FUNCTION


[ was: Re: [nvptx] vector length patch series ]

On 14-12-18 20:58, Tom de Vries wrote:
> 0013-nvptx-Use-TARGET_SET_CURRENT_FUNCTION.patch

Committed.

Thanks,
- Tom
[nvptx] Use TARGET_SET_CURRENT_FUNCTION

Implement TARGET_SET_CURRENT_FUNCTION for nvptx.  This gives us a place to
add initialization or reset actions that need to be executed on a per-function
basis.

Build and reg-tested on x86_64 with nvptx accelerator.

2018-12-17  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_previous_fndecl): Declare.
	(nvptx_set_current_function): New function.
	(TARGET_SET_CURRENT_FUNCTION): Define.

---
 gcc/config/nvptx/nvptx.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index 74ca0f585aa..9f834d35200 100644
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -5980,6 +5980,17 @@ nvptx_can_change_mode_class (machine_mode, machine_mode, reg_class_t)
   return false;
 }
 
+static GTY(()) tree nvptx_previous_fndecl;
+
+static void
+nvptx_set_current_function (tree fndecl)
+{
+  if (!fndecl || fndecl == nvptx_previous_fndecl)
+    return;
+
+  nvptx_previous_fndecl = fndecl;
+}
+
 #undef TARGET_OPTION_OVERRIDE
 #define TARGET_OPTION_OVERRIDE nvptx_option_override
 
@@ -6116,6 +6127,9 @@ nvptx_can_change_mode_class (machine_mode, machine_mode, reg_class_t)
 #undef TARGET_HAVE_SPECULATION_SAFE_VALUE
 #define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed
 
+#undef TARGET_SET_CURRENT_FUNCTION
+#define TARGET_SET_CURRENT_FUNCTION nvptx_set_current_function
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 #include "gt-nvptx.h"

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