JumpPatchSites can/should easily deal with uint8 sized offsets.

Motivation is that x64 nosnapshot builds need a 129 byte delta at the moment.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/237673007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20776 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/full-codegen-ia32.cc

@@ -74,7 +74,7 @@ class JumpPatchSite BASE_EMBEDDED {
   void EmitPatchInfo() {
     if (patch_site_.is_bound()) {
       int delta_to_patch_site = masm_->SizeOfCodeGeneratedSince(&patch_site_);
-      ASSERT(is_int8(delta_to_patch_site));
+      ASSERT(is_uint8(delta_to_patch_site));
       __ test(eax, Immediate(delta_to_patch_site));
 #ifdef DEBUG
       info_emitted_ = true;

src/ia32/ic-ia32.cc

@@ -1282,7 +1282,7 @@ void PatchInlinedSmiCode(Address address, InlinedSmiCheck check) {
   Address delta_address = test_instruction_address + 1;
   // The delta to the start of the map check instruction and the
   // condition code uses at the patched jump.
-  int8_t delta = *reinterpret_cast<int8_t*>(delta_address);
+  uint8_t delta = *reinterpret_cast<uint8_t*>(delta_address);
   if (FLAG_trace_ic) {
     PrintF("[  patching ic at %p, test=%p, delta=%d\n",
            address, test_instruction_address, delta);

src/x64/full-codegen-x64.cc

@@ -74,7 +74,7 @@ class JumpPatchSite BASE_EMBEDDED {
   void EmitPatchInfo() {
     if (patch_site_.is_bound()) {
       int delta_to_patch_site = masm_->SizeOfCodeGeneratedSince(&patch_site_);
-      ASSERT(is_int8(delta_to_patch_site));
+      ASSERT(is_uint8(delta_to_patch_site));
       __ testl(rax, Immediate(delta_to_patch_site));
 #ifdef DEBUG
       info_emitted_ = true;

src/x64/ic-x64.cc

@@ -1303,7 +1303,7 @@ void PatchInlinedSmiCode(Address address, InlinedSmiCheck check) {
   Address delta_address = test_instruction_address + 1;
   // The delta to the start of the map check instruction and the
   // condition code uses at the patched jump.
-  int8_t delta = *reinterpret_cast<int8_t*>(delta_address);
+  uint8_t delta = *reinterpret_cast<uint8_t*>(delta_address);
   if (FLAG_trace_ic) {
     PrintF("[  patching ic at %p, test=%p, delta=%d\n",
            address, test_instruction_address, delta);