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Side by Side Diff: src/compiler/x87/code-generator-x87.cc

Issue 1704033002: [wasm] WasmRunner can run tests with I64 parameters and return value. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@new_wasm_runner
Patch Set: Created 4 years, 10 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/ast/scopes.h" 7 #include "src/ast/scopes.h"
8 #include "src/compiler/code-generator-impl.h" 8 #include "src/compiler/code-generator-impl.h"
9 #include "src/compiler/gap-resolver.h" 9 #include "src/compiler/gap-resolver.h"
10 #include "src/compiler/node-matchers.h" 10 #include "src/compiler/node-matchers.h"
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1900 // --{ mov esp, ebp }----------------------------------------------------------- 1900 // --{ mov esp, ebp }-----------------------------------------------------------
1901 // | FP | RET | args | caller frame | 1901 // | FP | RET | args | caller frame |
1902 // ^ esp,ebp 1902 // ^ esp,ebp
1903 1903
1904 // --{ pop ebp }---------------------------------------------------------------- 1904 // --{ pop ebp }----------------------------------------------------------------
1905 // | RET | args | caller frame | 1905 // | RET | args | caller frame |
1906 // ^ esp ^ ebp 1906 // ^ esp ^ ebp
1907 1907
1908 1908
1909 void CodeGenerator::AssemblePrologue() { 1909 void CodeGenerator::AssemblePrologue() {
1910 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); 1910 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
1911 if (descriptor->IsCFunctionCall()) { 1911 if (descriptor->IsCFunctionCall()) {
1912 // Assemble a prologue similar the to cdecl calling convention. 1912 // Assemble a prologue similar the to cdecl calling convention.
1913 __ push(ebp); 1913 __ push(ebp);
1914 __ mov(ebp, esp); 1914 __ mov(ebp, esp);
1915 } else if (descriptor->IsJSFunctionCall()) { 1915 } else if (descriptor->IsJSFunctionCall()) {
1916 // TODO(turbofan): this prologue is redundant with OSR, but needed for 1916 // TODO(turbofan): this prologue is redundant with OSR, but needed for
1917 // code aging. 1917 // code aging.
1918 __ Prologue(this->info()->GeneratePreagedPrologue()); 1918 __ Prologue(this->info()->GeneratePreagedPrologue());
1919 } else if (frame()->needs_frame()) { 1919 } else if (frame()->needs_frame()) {
1920 __ StubPrologue(); 1920 __ StubPrologue();
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1953 frame()->AllocateSavedCalleeRegisterSlots(pushed); 1953 frame()->AllocateSavedCalleeRegisterSlots(pushed);
1954 } 1954 }
1955 1955
1956 // Initailize FPU state. 1956 // Initailize FPU state.
1957 __ fninit(); 1957 __ fninit();
1958 __ fld1(); 1958 __ fld1();
1959 } 1959 }
1960 1960
1961 1961
1962 void CodeGenerator::AssembleReturn() { 1962 void CodeGenerator::AssembleReturn() {
1963 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); 1963 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
1964 1964
1965 // Clear the FPU stack only if there is no return value in the stack. 1965 // Clear the FPU stack only if there is no return value in the stack.
1966 if (FLAG_debug_code && FLAG_enable_slow_asserts) { 1966 if (FLAG_debug_code && FLAG_enable_slow_asserts) {
1967 __ VerifyX87StackDepth(1); 1967 __ VerifyX87StackDepth(1);
1968 } 1968 }
1969 bool clear_stack = true; 1969 bool clear_stack = true;
1970 for (int i = 0; i < descriptor->ReturnCount(); i++) { 1970 for (int i = 0; i < descriptor->ReturnCount(); i++) {
1971 MachineRepresentation rep = descriptor->GetReturnType(i).representation(); 1971 MachineRepresentation rep = descriptor->GetReturnType(i).representation();
1972 LinkageLocation loc = descriptor->GetReturnLocation(i); 1972 LinkageLocation loc = descriptor->GetReturnLocation(i);
1973 if (IsFloatingPoint(rep) && loc == LinkageLocation::ForRegister(0)) { 1973 if (IsFloatingPoint(rep) && loc == LinkageLocation::ForRegister(0)) {
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2234 void CodeGenerator::EnsureSpaceForLazyDeopt() { 2234 void CodeGenerator::EnsureSpaceForLazyDeopt() {
2235 is_handler_entry_point = true; 2235 is_handler_entry_point = true;
2236 DoEnsureSpaceForLazyDeopt(info(), masm(), last_lazy_deopt_pc_); 2236 DoEnsureSpaceForLazyDeopt(info(), masm(), last_lazy_deopt_pc_);
2237 } 2237 }
2238 2238
2239 #undef __ 2239 #undef __
2240 2240
2241 } // namespace compiler 2241 } // namespace compiler
2242 } // namespace internal 2242 } // namespace internal
2243 } // namespace v8 2243 } // namespace v8
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