Introduce Push and Pop macro instructions for x64

src/x64/regexp-macro-assembler-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 304 matching lines @@
     __ j(below, &loop);
 
     // Compute new value of character position after the matched part.
     __ movp(rdi, r11);
     __ subq(rdi, rsi);
   } else {
     ASSERT(mode_ == UC16);
     // Save important/volatile registers before calling C function.
 #ifndef _WIN64
     // Caller save on Linux and callee save in Windows.
-    __ push(rsi);
-    __ push(rdi);
+    __ pushq(rsi);
+    __ pushq(rdi);
 #endif
-    __ push(backtrack_stackpointer());
+    __ pushq(backtrack_stackpointer());
 
     static const int num_arguments = 4;
     __ PrepareCallCFunction(num_arguments);
 
     // Put arguments into parameter registers. Parameters are
     //   Address byte_offset1 - Address captured substring's start.
     //   Address byte_offset2 - Address of current character position.
     //   size_t byte_length - length of capture in bytes(!)
     //   Isolate* isolate
 #ifdef _WIN64
@@ skipping 21 matching lines @@
     { // NOLINT: Can't find a way to open this scope without confusing the
       // linter.
       AllowExternalCallThatCantCauseGC scope(&masm_);
       ExternalReference compare =
           ExternalReference::re_case_insensitive_compare_uc16(isolate());
       __ CallCFunction(compare, num_arguments);
     }
 
     // Restore original values before reacting on result value.
     __ Move(code_object_pointer(), masm_.CodeObject());
-    __ pop(backtrack_stackpointer());
+    __ popq(backtrack_stackpointer());
 #ifndef _WIN64
-    __ pop(rdi);
-    __ pop(rsi);
+    __ popq(rdi);
+    __ popq(rsi);
 #endif
 
     // Check if function returned non-zero for success or zero for failure.
     __ testq(rax, rax);
     BranchOrBacktrack(zero, on_no_match);
     // On success, increment position by length of capture.
     // Requires that rbx is callee save (true for both Win64 and AMD64 ABIs).
     __ addq(rdi, rbx);
   }
   __ bind(&fallthrough);
@@ skipping 283 matching lines @@
   // Finalize code - write the entry point code now we know how many
   // registers we need.
   // Entry code:
   __ bind(&entry_label_);
 
   // Tell the system that we have a stack frame.  Because the type is MANUAL, no
   // is generated.
   FrameScope scope(&masm_, StackFrame::MANUAL);
 
   // Actually emit code to start a new stack frame.
-  __ push(rbp);
+  __ pushq(rbp);
   __ movp(rbp, rsp);
   // Save parameters and callee-save registers. Order here should correspond
   //  to order of kBackup_ebx etc.
 #ifdef _WIN64
   // MSVC passes arguments in rcx, rdx, r8, r9, with backing stack slots.
   // Store register parameters in pre-allocated stack slots,
   __ movq(Operand(rbp, kInputString), rcx);
   __ movq(Operand(rbp, kStartIndex), rdx);  // Passed as int32 in edx.
   __ movq(Operand(rbp, kInputStart), r8);
   __ movq(Operand(rbp, kInputEnd), r9);
   // Callee-save on Win64.
-  __ push(rsi);
-  __ push(rdi);
-  __ push(rbx);
+  __ pushq(rsi);
+  __ pushq(rdi);
+  __ pushq(rbx);
 #else
   // GCC passes arguments in rdi, rsi, rdx, rcx, r8, r9 (and then on stack).
   // Push register parameters on stack for reference.
   ASSERT_EQ(kInputString, -1 * kPointerSize);
   ASSERT_EQ(kStartIndex, -2 * kPointerSize);
   ASSERT_EQ(kInputStart, -3 * kPointerSize);
   ASSERT_EQ(kInputEnd, -4 * kPointerSize);
   ASSERT_EQ(kRegisterOutput, -5 * kPointerSize);
   ASSERT_EQ(kNumOutputRegisters, -6 * kPointerSize);
-  __ push(rdi);
-  __ push(rsi);
-  __ push(rdx);
-  __ push(rcx);
-  __ push(r8);
-  __ push(r9);
+  __ pushq(rdi);
+  __ pushq(rsi);
+  __ pushq(rdx);
+  __ pushq(rcx);
+  __ pushq(r8);
+  __ pushq(r9);
 
-  __ push(rbx);  // Callee-save
+  __ pushq(rbx);  // Callee-save
 #endif
 
-  __ push(Immediate(0));  // Number of successful matches in a global regexp.
-  __ push(Immediate(0));  // Make room for "input start - 1" constant.
+  __ Push(Immediate(0));  // Number of successful matches in a global regexp.
+  __ Push(Immediate(0));  // Make room for "input start - 1" constant.
 
   // Check if we have space on the stack for registers.
   Label stack_limit_hit;
   Label stack_ok;
 
   ExternalReference stack_limit =
       ExternalReference::address_of_stack_limit(isolate());
   __ movp(rcx, rsp);
   __ Move(kScratchRegister, stack_limit);
   __ subq(rcx, Operand(kScratchRegister, 0));
@@ skipping 167 matching lines @@
   __ bind(&exit_label_);
   if (global()) {
     // Return the number of successful captures.
     __ movp(rax, Operand(rbp, kSuccessfulCaptures));
   }
 
   __ bind(&return_rax);
 #ifdef _WIN64
   // Restore callee save registers.
   __ lea(rsp, Operand(rbp, kLastCalleeSaveRegister));
-  __ pop(rbx);
-  __ pop(rdi);
-  __ pop(rsi);
+  __ popq(rbx);
+  __ popq(rdi);
+  __ popq(rsi);
   // Stack now at rbp.
 #else
   // Restore callee save register.
   __ movp(rbx, Operand(rbp, kBackup_rbx));
   // Skip rsp to rbp.
   __ movp(rsp, rbp);
 #endif
   // Exit function frame, restore previous one.
-  __ pop(rbp);
+  __ popq(rbp);
   __ ret(0);
 
   // Backtrack code (branch target for conditional backtracks).
   if (backtrack_label_.is_linked()) {
     __ bind(&backtrack_label_);
     Backtrack();
   }
 
   Label exit_with_exception;
 
   // Preempt-code
   if (check_preempt_label_.is_linked()) {
     SafeCallTarget(&check_preempt_label_);
 
-    __ push(backtrack_stackpointer());
-    __ push(rdi);
+    __ pushq(backtrack_stackpointer());
+    __ pushq(rdi);
 
     CallCheckStackGuardState();
     __ testq(rax, rax);
     // If returning non-zero, we should end execution with the given
     // result as return value.
     __ j(not_zero, &return_rax);
 
     // Restore registers.
     __ Move(code_object_pointer(), masm_.CodeObject());
-    __ pop(rdi);
-    __ pop(backtrack_stackpointer());
+    __ popq(rdi);
+    __ popq(backtrack_stackpointer());
     // String might have moved: Reload esi from frame.
     __ movp(rsi, Operand(rbp, kInputEnd));
     SafeReturn();
   }
 
   // Backtrack stack overflow code.
   if (stack_overflow_label_.is_linked()) {
     SafeCallTarget(&stack_overflow_label_);
     // Reached if the backtrack-stack limit has been hit.
 
     Label grow_failed;
     // Save registers before calling C function
 #ifndef _WIN64
     // Callee-save in Microsoft 64-bit ABI, but not in AMD64 ABI.
-    __ push(rsi);
-    __ push(rdi);
+    __ pushq(rsi);
+    __ pushq(rdi);
 #endif
 
     // Call GrowStack(backtrack_stackpointer())
     static const int num_arguments = 3;
     __ PrepareCallCFunction(num_arguments);
 #ifdef _WIN64
     // Microsoft passes parameters in rcx, rdx, r8.
     // First argument, backtrack stackpointer, is already in rcx.
     __ lea(rdx, Operand(rbp, kStackHighEnd));  // Second argument
     __ LoadAddress(r8, ExternalReference::isolate_address(isolate()));
 #else
     // AMD64 ABI passes parameters in rdi, rsi, rdx.
     __ movp(rdi, backtrack_stackpointer());   // First argument.
     __ lea(rsi, Operand(rbp, kStackHighEnd));  // Second argument.
     __ LoadAddress(rdx, ExternalReference::isolate_address(isolate()));
 #endif
     ExternalReference grow_stack =
         ExternalReference::re_grow_stack(isolate());
     __ CallCFunction(grow_stack, num_arguments);
     // If return NULL, we have failed to grow the stack, and
     // must exit with a stack-overflow exception.
     __ testq(rax, rax);
     __ j(equal, &exit_with_exception);
     // Otherwise use return value as new stack pointer.
     __ movp(backtrack_stackpointer(), rax);
     // Restore saved registers and continue.
     __ Move(code_object_pointer(), masm_.CodeObject());
 #ifndef _WIN64
-    __ pop(rdi);
-    __ pop(rsi);
+    __ popq(rdi);
+    __ popq(rsi);
 #endif
     SafeReturn();
   }
 
   if (exit_with_exception.is_linked()) {
     // If any of the code above needed to exit with an exception.
     __ bind(&exit_with_exception);
     // Exit with Result EXCEPTION(-1) to signal thrown exception.
     __ Set(rax, EXCEPTION);
     __ jmp(&return_rax);
@@ skipping 444 matching lines @@
   }
 }
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }}  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64