[nvptx] Use define_insn parametrization

Parametrize some define_insn to simplify code in define_expands generating
those insns.

Build and reg-tested on x86_64 with nvptx accelerator.

2019-06-18  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Remove.
	* config/nvptx/nvptx.c (gen_set_softstack_insn): Remove.
	* config/nvptx/nvptx.md (define_insn "set_softstack_<mode>"): Rename to ...
	(define_insn "@set_softstack_<mode>"): ... this.
	(define_insn "omp_simt_enter_<mode>"): Rename to ...
	(define_insn "@omp_simt_enter_<mode>"): ... this.
	(define_insn "omp_simt_exit_<mode>"): Rename to ...
	(define_insn "@omp_simt_exit_<mode>"): ... this.

From-SVN: r272413

gcc/ChangeLog

+2019-06-18  Tom de Vries  <tdevries@suse.de>
+
+	* config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Remove.
+	* config/nvptx/nvptx.c (gen_set_softstack_insn): Remove.
+	* config/nvptx/nvptx.md (define_insn "set_softstack_<mode>"): Rename to ...
+	(define_insn "@set_softstack_<mode>"): ... this.
+	(define_insn "omp_simt_enter_<mode>"): Rename to ...
+	(define_insn "@omp_simt_enter_<mode>"): ... this.
+	(define_insn "omp_simt_exit_<mode>"): Rename to ...
+	(define_insn "@omp_simt_exit_<mode>"): ... this.
+
 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* tree-vect-loop-manip.c (vect_set_loop_masks_directly): Remove

gcc/config/nvptx/nvptx-protos.h

@@ -57,6 +57,5 @@ extern const char *nvptx_output_set_softstack (unsigned);
 extern const char *nvptx_output_simt_enter (rtx, rtx, rtx);
 extern const char *nvptx_output_simt_exit (rtx);
 extern const char *nvptx_output_red_partition (rtx, rtx);
-extern rtx gen_set_softstack_insn (rtx);
 #endif
 #endif

gcc/config/nvptx/nvptx.c

@@ -112,18 +112,6 @@ enum nvptx_data_area
   DATA_AREA_MAX
 };
 
-rtx
-gen_set_softstack_insn (rtx op)
-{
-  gcc_assert (GET_MODE (op) == Pmode);
-  if (GET_MODE (op) == DImode)
-    return gen_set_softstack_di (op);
-  else if (GET_MODE (op) == SImode)
-    return gen_set_softstack_si (op);
-  else
-    gcc_unreachable ();
-}
-
 /*  We record the data area in the target symbol flags.  */
 #define SYMBOL_DATA_AREA(SYM) \
   (nvptx_data_area)((SYMBOL_REF_FLAGS (SYM) >> SYMBOL_FLAG_MACH_DEP_SHIFT) \

gcc/config/nvptx/nvptx.md

@@ -1025,8 +1025,8 @@
   ""
 {
   if (TARGET_SOFT_STACK)
-    emit_insn (gen_set_softstack_insn (gen_rtx_REG (Pmode,
-						    SOFTSTACK_PREV_REGNUM)));
+    emit_insn (gen_set_softstack (Pmode, gen_rtx_REG (Pmode,
+						      SOFTSTACK_PREV_REGNUM)));
   emit_jump_insn (gen_return ());
   DONE;
 })
@@ -1059,7 +1059,7 @@
     {
       emit_move_insn (stack_pointer_rtx,
 		      gen_rtx_MINUS (Pmode, stack_pointer_rtx, operands[1]));
-      emit_insn (gen_set_softstack_insn (stack_pointer_rtx));
+      emit_insn (gen_set_softstack (Pmode, stack_pointer_rtx));
       emit_move_insn (operands[0], virtual_stack_dynamic_rtx);
       DONE;
     }
@@ -1071,7 +1071,7 @@
   DONE;
 })
 
-(define_insn "set_softstack_<mode>"
+(define_insn "@set_softstack_<mode>"
   [(unspec [(match_operand:P 0 "nvptx_register_operand" "R")]
 	   UNSPEC_SET_SOFTSTACK)]
   "TARGET_SOFT_STACK"
@@ -1087,7 +1087,7 @@
   if (TARGET_SOFT_STACK)
     {
       emit_move_insn (operands[0], operands[1]);
-      emit_insn (gen_set_softstack_insn (operands[0]));
+      emit_insn (gen_set_softstack (Pmode, operands[0]));
     }
   DONE;
 })
@@ -1237,7 +1237,7 @@
 
 ;; Patterns for OpenMP SIMD-via-SIMT lowering
 
-(define_insn "omp_simt_enter_<mode>"
+(define_insn "@omp_simt_enter_<mode>"
   [(set (match_operand:P 0 "nvptx_register_operand" "=R")
 	(unspec_volatile:P [(match_operand:P 1 "nvptx_nonmemory_operand" "Ri")
 			    (match_operand:P 2 "nvptx_nonmemory_operand" "Ri")]
@@ -1261,13 +1261,7 @@
   cfun->machine->simt_stack_align = MAX (UINTVAL (operands[2]),
 					 cfun->machine->simt_stack_align);
   cfun->machine->has_simtreg = true;
-  gcc_assert (GET_MODE (operands[0]) == Pmode);
-  if (GET_MODE (operands[0]) == DImode)
-    emit_insn (gen_omp_simt_enter_di (operands[0], operands[1], operands[2]));
-  else if (GET_MODE (operands[0]) == SImode)
-    emit_insn (gen_omp_simt_enter_si (operands[0], operands[1], operands[2]));
-  else
-    gcc_unreachable ();
+  emit_insn (gen_omp_simt_enter (Pmode, operands[0], operands[1], operands[2]));
   DONE;
 })
 
@@ -1275,17 +1269,11 @@
   [(match_operand 0 "nvptx_register_operand" "R")]
   ""
 {
-  gcc_assert (GET_MODE (operands[0]) == Pmode);
-  if (GET_MODE (operands[0]) == DImode)
-    emit_insn (gen_omp_simt_exit_di (operands[0]));
-  else if (GET_MODE (operands[0]) == SImode)
-    emit_insn (gen_omp_simt_exit_si (operands[0]));
-  else
-    gcc_unreachable ();
+  emit_insn (gen_omp_simt_exit (Pmode, operands[0]));
   DONE;
 })
 
-(define_insn "omp_simt_exit_<mode>"
+(define_insn "@omp_simt_exit_<mode>"
   [(unspec_volatile [(match_operand:P 0 "nvptx_register_operand" "R")]
 		    UNSPECV_SIMT_EXIT)]
   ""