Add float2int and int2float builtins.

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/st/cli-be-vect@161308 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 71 insertions, 0 deletions

diff --git a/gcc/config/cil32/cil-builtins.def b/gcc/config/cil32/cil-builtins.def
index 39b2e4d4760..ad0bc957e9a 100644
--- a/gcc/config/cil32/cil-builtins.def
+++ b/gcc/config/cil32/cil-builtins.def
@@ -1340,6 +1340,33 @@ DEF_CILBUILTIN(GCC_BUILD_INIT_VEC_VQI, "[genvec_support]genvec_support.VQI::VQI_
                2, \
                intQI_type_node, intQI_type_node)
 
+/* float->int */
+DEF_CILBUILTIN(GEN_VSI_FLOAT_TO_INT_UNSIGNED, "[genvec_support]genvec_support.VSI::VSI_float_to_int_unsigned", \
+               ATTR_CONST_NOTHROW_LIST,         \
+               VSI_type_node, \
+               1, \
+               float_type_node)
+
+DEF_CILBUILTIN(GEN_VSI_FLOAT_TO_INT_SIGNED, "[genvec_support]genvec_support.VSI::VSI_float_to_int_signed", \
+               ATTR_CONST_NOTHROW_LIST,         \
+               VSI_type_node, \
+               1, \
+               float_type_node)
+
+/* int->float */
+DEF_CILBUILTIN(GEN_VSF_INT_TO_FLOAT_UNSIGNED, "[genvec_support]genvec_support.VSF::VSF_int_to_float_unsigned", \
+               ATTR_CONST_NOTHROW_LIST,         \
+               VSF_type_node, \
+               1, \
+               unsigned_type_node)
+
+DEF_CILBUILTIN(GEN_VSF_INT_TO_FLOAT_SIGNED, "[genvec_support]genvec_support.VSI::VSI_int_to_float_signed", \
+               ATTR_CONST_NOTHROW_LIST,         \
+               VSF_type_node, \
+               1, \
+               integer_type_node)
+
+
 /* V DF */
 DEF_CILBUILTIN(GEN_VDF_CTOR, "[Xxxx.Simd]Xxxx.Simd.VecGenDF::.ctor", \
                ATTR_CONST_NOTHROW_LIST, \
diff --git a/gcc/config/cil32/cil32.c b/gcc/config/cil32/cil32.c
index 3268562e67c..12dfa9201f7 100644
--- a/gcc/config/cil32/cil32.c
+++ b/gcc/config/cil32/cil32.c
@@ -97,6 +97,7 @@ static tree cil32_builtin_get_loop_niters (void);
 static tree cil32_builtin_pattern (enum tree_code code, tree);
 static tree cil32_builtin_realign_offset (tree);
 static tree cil32_builtin_build_init_vec (tree);
+static tree cil32_builtin_conversion (enum tree_code, tree);
 
 /* Initialize the GCC target structure.  */
 #undef TARGET_ATTRIBUTE_TABLE
@@ -182,6 +183,9 @@ static tree cil32_builtin_build_init_vec (tree);
 #define TARGET_VECTORIZE_BUILTIN_BUILD_INIT_VEC \
   cil32_builtin_build_init_vec
 
+#undef TARGET_VECTORIZE_BUILTIN_CONVERSION
+#define TARGET_VECTORIZE_BUILTIN_CONVERSION \
+  cil32_builtin_conversion
 
 struct gcc_target targetm = TARGET_INITIALIZER;
 
@@ -817,3 +821,43 @@ static tree cil32_builtin_build_init_vec (tree type)
     }
 }
 
+/* Implement targetm.vectorize.builtin_conversion.
+   Returns a decl of a function that implements conversion of an integer vector
+   into a floating-point vector, or vice-versa. TYPE is the type of the integer
+   side of the conversion.
+   Return NULL_TREE if it is not available.  */
+static tree
+cil32_builtin_conversion (enum tree_code code, tree type)
+{
+  tree elem_type = TREE_TYPE (type);
+  unsigned element_size = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (elem_type));
+
+  switch (code)
+    {
+    case FIX_TRUNC_EXPR:
+      switch (element_size)
+        {
+        case 4:
+          return TYPE_UNSIGNED (type)
+            ? cil32_builtins[CIL32_GEN_VSI_FLOAT_TO_INT_UNSIGNED]
+            : cil32_builtins[CIL32_GEN_VSI_FLOAT_TO_INT_SIGNED];
+        default:
+          return NULL_TREE;
+        }
+
+    case FLOAT_EXPR:
+      switch (element_size)
+        {
+        case 4:
+          return TYPE_UNSIGNED (type)
+            ? cil32_builtins[CIL32_GEN_VSF_INT_TO_FLOAT_UNSIGNED]
+            : cil32_builtins[CIL32_GEN_VSF_INT_TO_FLOAT_SIGNED];
+        default:
+          return NULL_TREE;
+        }
+
+    default:
+      return NULL_TREE;
+    }
+}
+