Add signed/unsigned 8-bit and 16-bit Representations

test/cctest/test-macro-assembler-x64.cc

Index: test/cctest/test-macro-assembler-x64.cc
diff --git a/test/cctest/test-macro-assembler-x64.cc b/test/cctest/test-macro-assembler-x64.cc
index 61914b58c333beb53e4c7a02afe0922845a40eeb..4439f234f80dfa2b71d8b751be88ab23e552dae6 100644
--- a/test/cctest/test-macro-assembler-x64.cc
+++ b/test/cctest/test-macro-assembler-x64.cc
@@ -2657,12 +2657,12 @@ TEST(LoadAndStoreWithRepresentation) {
   __ movq(rax, Immediate(1));  // Test number.
   __ movq(Operand(rsp, 0 * kPointerSize), Immediate(0));
   __ movq(rcx, Immediate(-1));
-  __ Store(Operand(rsp, 0 * kPointerSize), rcx, Representation::Byte());
+  __ Store(Operand(rsp, 0 * kPointerSize), rcx, Representation::UInteger8());
   __ movq(rcx, Operand(rsp, 0 * kPointerSize));
   __ movl(rdx, Immediate(255));
   __ cmpq(rcx, rdx);
   __ j(not_equal, &exit);
-  __ Load(rdx, Operand(rsp, 0 * kPointerSize), Representation::Byte());
+  __ Load(rdx, Operand(rsp, 0 * kPointerSize), Representation::UInteger8());
   __ cmpq(rcx, rdx);
   __ j(not_equal, &exit);
 
@@ -2731,6 +2731,47 @@ TEST(LoadAndStoreWithRepresentation) {
   __ cmpq(rcx, rdx);
   __ j(not_equal, &exit);
 
+  // Test 7.
+  __ movq(rax, Immediate(7));  // Test number.
+  __ movq(Operand(rsp, 0 * kPointerSize), Immediate(0));
+  __ movq(rcx, Immediate(-1));
+  __ Store(Operand(rsp, 0 * kPointerSize), rcx, Representation::Integer8());
+  __ movq(rcx, Operand(rsp, 0 * kPointerSize));
+  __ movl(rdx, Immediate(255));
+  __ cmpq(rcx, rdx);
+  __ j(not_equal, &exit);
+  __ Load(rdx, Operand(rsp, 0 * kPointerSize), Representation::Integer8());
+  __ movq(rcx, Immediate(-1));
+  __ cmpq(rcx, rdx);
+  __ j(not_equal, &exit);
+
+  // Test 8.
+  __ movq(rax, Immediate(8));  // Test number.
+  __ movq(Operand(rsp, 0 * kPointerSize), Immediate(0));
+  __ movq(rcx, Immediate(-1));
+  __ Store(Operand(rsp, 0 * kPointerSize), rcx, Representation::Integer16());
+  __ movq(rcx, Operand(rsp, 0 * kPointerSize));
+  __ movl(rdx, Immediate(65535));
+  __ cmpq(rcx, rdx);
+  __ j(not_equal, &exit);
+  __ Load(rdx, Operand(rsp, 0 * kPointerSize), Representation::Integer16());
+  __ movq(rcx, Immediate(-1));
+  __ cmpq(rcx, rdx);
+  __ j(not_equal, &exit);
+
+  // Test 9.
+  __ movq(rax, Immediate(9));  // Test number.
+  __ movq(Operand(rsp, 0 * kPointerSize), Immediate(0));
+  __ movq(rcx, Immediate(-1));
+  __ Store(Operand(rsp, 0 * kPointerSize), rcx, Representation::UInteger16());
+  __ movq(rcx, Operand(rsp, 0 * kPointerSize));
+  __ movl(rdx, Immediate(65535));
+  __ cmpq(rcx, rdx);
+  __ j(not_equal, &exit);
+  __ Load(rdx, Operand(rsp, 0 * kPointerSize), Representation::UInteger16());
+  __ cmpq(rcx, rdx);
+  __ j(not_equal, &exit);
+
   __ xor_(rax, rax);  // Success.
   __ bind(&exit);
   __ addq(rsp, Immediate(1 * kPointerSize));