make ldtw(a) -- Twin 32 bit load work correctly -- by doing it the same way as the twin 64 bit loads

src/arch/isa_parser.py:
src/arch/sparc/isa/decoder.isa:
src/arch/sparc/isa/operands.isa:
src/base/bigint.hh:
src/cpu/simple/atomic.cc:
src/cpu/simple/timing.cc:
src/mem/packet_access.hh:
    make ldtw(a) Twin 32 bit load work correctly

--HG--
extra : convert_revision : 2646b269d58cc1774e896065875a56cf5e313b42

1 files changed, 6 insertions, 3 deletions

diff --git a/src/arch/isa_parser.py b/src/arch/isa_parser.py
index 39500df36..9b63c8842 100755
--- a/src/arch/isa_parser.py
+++ b/src/arch/isa_parser.py
@@ -1124,9 +1124,12 @@ def buildOperandTypeMap(userDict, lineno):
                 ctype = 'float'
             elif size == 64:
                 ctype = 'double'
-        elif desc == 'twin int':
+        elif desc == 'twin64 int':
             is_signed = 0
             ctype = 'Twin64_t'
+        elif desc == 'twin32 int':
+            is_signed = 0
+            ctype = 'Twin32_t'
         if ctype == '':
             error(lineno, 'Unrecognized type description "%s" in userDict')
         operandTypeMap[ext] = (size, ctype, is_signed)
@@ -1159,7 +1162,7 @@ class Operand(object):
         # template must be careful not to use it if it doesn't apply.
         if self.isMem():
             self.mem_acc_size = self.makeAccSize()
-            if self.ctype == 'Twin64_t':
+            if self.ctype in ['Twin32_t', 'Twin64_t']:
                 self.mem_acc_type = 'Twin'
             else:
                 self.mem_acc_type = 'uint'
@@ -1392,7 +1395,7 @@ class MemOperand(Operand):
         # Note that initializations in the declarations are solely
         # to avoid 'uninitialized variable' errors from the compiler.
         # Declare memory data variable.
-        if self.ctype == 'Twin64_t':
+        if self.ctype in ['Twin32_t','Twin64_t']:
             return "%s %s; %s.a = 0; %s.b = 0;\n" % (self.ctype, self.base_name,
                     self.base_name, self.base_name)
         c = '%s %s = 0;\n' % (self.ctype, self.base_name)