# HG changeset patch
# User LYH <lyh.kernel@gmail.com>
# Date 1395428379 14400
# Node ID 256e16c9edb58f78a00369486c0db006d1480e1c
# Parent  e6c2400e2ca41d131f4021e2e5950f84ef647dc2
Fully uint32 type support

diff -r e6c2400e2ca4 -r 256e16c9edb5 libinterp/corefcn/jit-typeinfo.cc
--- a/libinterp/corefcn/jit-typeinfo.cc	Fri Mar 21 14:59:39 2014 -0400
+++ b/libinterp/corefcn/jit-typeinfo.cc	Fri Mar 21 14:59:39 2014 -0400
@@ -75,6 +75,7 @@
 #include "ov-int64.h"
 #include "ov-uint8.h"
 #include "ov-uint16.h"
+#include "ov-uint32.h"
 #include "ov-uint64.h"
 #include "pager.h"
 
@@ -301,6 +302,20 @@
   return new octave_uint16_scalar (value);
 }
 
+extern "C" uint32_t
+octave_jit_cast_uint32_any (octave_base_value *obv)
+{
+  uint32_t ret = obv->uint32_scalar_value ();
+  obv->release ();
+  return ret;
+}
+
+extern "C" octave_base_value *
+octave_jit_cast_any_uint32 (uint32_t value)
+{
+  return new octave_uint32_scalar (value);
+}
+
 extern "C" uint64_t
 octave_jit_cast_uint64_any (octave_base_value *obv)
 {
@@ -976,6 +991,53 @@
 
 /************************************************************
  *
+ * uint32 related external helper function
+ *
+ ************************************************************/
+
+extern "C" uint32_t
+octave_jit_add_uint32_uint32 (uint32_t lhs, uint32_t rhs)
+{
+  uint32_t res = lhs + rhs;
+  res |= -(res < lhs);
+
+  return res;
+}
+
+extern "C" uint32_t
+octave_jit_sub_uint32_uint32 (uint32_t lhs, uint32_t rhs)
+{
+  uint32_t res = lhs - rhs;
+  res &= -(res <= lhs);
+
+  return res;
+}
+
+extern "C" uint32_t
+octave_jit_mul_uint32_uint32 (uint32_t lhs, uint32_t rhs)
+{
+  uint64_t res = (uint64_t) lhs * (uint64_t) rhs;
+
+  uint32_t hi = res >> 32;
+  uint32_t lo = res;
+
+  return lo | -!!hi;
+}
+
+extern "C" uint32_t
+octave_jit_incr_uint32 (uint32_t val)
+{
+  return octave_jit_add_uint32_uint32 (val, 1);
+}
+
+extern "C" uint32_t
+octave_jit_decr_uint32 (uint32_t val)
+{
+  return octave_jit_sub_uint32_uint32 (val, 1);
+}
+
+/************************************************************
+ *
  * uint64 related external helper function
  *
  ************************************************************/
@@ -1652,6 +1714,7 @@
   llvm::Type *int64__t = llvm::Type::getIntNTy (context, 64);
   llvm::Type *uint8__t = llvm::Type::getIntNTy (context, 8);
   llvm::Type *uint16__t = llvm::Type::getIntNTy (context, 16);
+  llvm::Type *uint32__t = llvm::Type::getIntNTy (context, 32);
   llvm::Type *uint64__t = llvm::Type::getIntNTy (context, 64);
   llvm::Type *bool_t = llvm::Type::getInt1Ty (context);
   llvm::Type *string_t = llvm::Type::getInt8Ty (context);
@@ -1708,6 +1771,7 @@
 
   create_uint (8);
   create_uint (16);
+  create_uint (32);
   create_uint (64);
 
   casts.resize (next_id + 1);
@@ -1809,6 +1873,7 @@
   grab_fn.add_overload (create_identity (intN (64)));
   grab_fn.add_overload (create_identity (uintN (8)));
   grab_fn.add_overload (create_identity (uintN (16)));
+  grab_fn.add_overload (create_identity (uintN (32)));
   grab_fn.add_overload (create_identity (uintN (64)));
   grab_fn.add_overload (create_identity (scalar_ptr));
   grab_fn.add_overload (create_identity (any_ptr));
@@ -1836,6 +1901,7 @@
   destroy_fn.add_overload (create_identity(intN (64)));
   destroy_fn.add_overload (create_identity(uintN (8)));
   destroy_fn.add_overload (create_identity(uintN (16)));
+  destroy_fn.add_overload (create_identity(uintN (32)));
   destroy_fn.add_overload (create_identity(uintN (64)));
   destroy_fn.add_overload (create_identity(boolean));
   destroy_fn.add_overload (create_identity(index));
@@ -2455,6 +2521,60 @@
 
   /************************************************************
    *
+   * uint32 related operations
+   *
+   ************************************************************/
+
+  // now for binary uint32 operations
+  fn = create_external (JIT_FN (octave_jit_add_uint32_uint32), uintN (32), uintN (32),
+                        uintN (32));
+  binary_ops[octave_value::op_add].add_overload (fn);
+  fn = create_external (JIT_FN (octave_jit_sub_uint32_uint32), uintN (32), uintN (32),
+                        uintN (32));
+  binary_ops[octave_value::op_sub].add_overload (fn);
+  fn = create_external (JIT_FN (octave_jit_mul_uint32_uint32), uintN (32), uintN (32),
+                        uintN (32));
+  binary_ops[octave_value::op_mul].add_overload (fn);
+  binary_ops[octave_value::op_el_mul].add_overload (fn);
+
+  add_binary_icmp (uintN (32), octave_value::op_lt, llvm::CmpInst::ICMP_ULT);
+  add_binary_icmp (uintN (32), octave_value::op_le, llvm::CmpInst::ICMP_ULE);
+  add_binary_icmp (uintN (32), octave_value::op_eq, llvm::CmpInst::ICMP_EQ);
+  add_binary_icmp (uintN (32), octave_value::op_ge, llvm::CmpInst::ICMP_UGE);
+  add_binary_icmp (uintN (32), octave_value::op_gt, llvm::CmpInst::ICMP_UGT);
+  add_binary_icmp (uintN (32), octave_value::op_ne, llvm::CmpInst::ICMP_NE);
+
+  // FIXME: saturation divide definition? interpreter convert uint to double, calculate and round.
+  // divide is annoying because it might error
+  // FIXME: Implement div
+
+  // FIXME: Implement pow
+
+  // now for unary uint32 operations
+  // FIXME: Impelment not
+  fn = create_external (JIT_FN (octave_jit_incr_uint32), uintN (32), uintN (32));
+  unary_ops[octave_value::op_incr].add_overload (fn);
+
+  fn = create_external (JIT_FN (octave_jit_decr_uint32), uintN (32), uintN (32));
+  unary_ops[octave_value::op_decr].add_overload (fn);
+
+  fn = create_internal ("octave_jit_uminus", uintN (32), uintN (32));
+  body = fn.new_block ();
+  builder.SetInsertPoint (body);
+  {
+    llvm::Value *zero = llvm::ConstantInt::get (uint32__t, 0);
+
+    fn.do_return (builder, zero);
+  }
+  unary_ops[octave_value::op_uminus].add_overload (fn);
+
+  fn = create_identity (uintN (32));
+  unary_ops[octave_value::op_uplus].add_overload (fn);
+  unary_ops[octave_value::op_transpose].add_overload (fn);
+  unary_ops[octave_value::op_hermitian].add_overload (fn);
+
+  /************************************************************
+   *
    * uint64 related operations
    *
    ************************************************************/
@@ -2893,6 +3013,7 @@
   casts[intN (64)->type_id ()].stash_name ("(int64)");
   casts[uintN (8)->type_id ()].stash_name ("(uint8)");
   casts[uintN (16)->type_id ()].stash_name ("(uint16)");
+  casts[uintN (32)->type_id ()].stash_name ("(uint32)");
   casts[uintN (64)->type_id ()].stash_name ("(uint64)");
   casts[complex->type_id ()].stash_name ("(complex)");
   casts[matrix->type_id ()].stash_name ("(matrix)");
@@ -2978,6 +3099,14 @@
   fn = create_external (JIT_FN (octave_jit_cast_uint16_any), uintN (16), any);
   casts[uintN (16)->type_id ()].add_overload (fn);
 
+  // cast any <- uint32
+  fn = create_external (JIT_FN (octave_jit_cast_any_uint32), any, uintN (32));
+  casts[any->type_id ()].add_overload (fn);
+
+  // cast uint32 <- any
+  fn = create_external (JIT_FN (octave_jit_cast_uint32_any), uintN (32), any);
+  casts[uintN (32)->type_id ()].add_overload (fn);
+
   // cast any <- uint64
   fn = create_external (JIT_FN (octave_jit_cast_any_uint64), any, uintN (64));
   casts[any->type_id ()].add_overload (fn);
@@ -3047,6 +3176,10 @@
   fn = create_identity (uintN (16));
   casts[uintN (16)->type_id ()].add_overload (fn);
 
+  // cast uint32 <- uint32
+  fn = create_identity (uintN (32));
+  casts[uintN (32)->type_id ()].add_overload (fn);
+
   // cast uint64 <- uint64
   fn = create_identity (uintN (64));
   casts[uintN (64)->type_id ()].add_overload (fn);
@@ -3539,6 +3672,11 @@
       return uintN (16);
     }
 
+  if (ov.is_uint32_type())
+    {
+      return uintN (32);
+    }
+
   if (ov.is_uint64_type())
     {
       return uintN (64);