Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1102)

Side by Side Diff: test/cctest/test-code-stubs-x64.cc

Issue 199903002: Introduce Push and Pop macro instructions for x64 (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebased with bleeding_edge Created 6 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « test/cctest/test-assembler-x64.cc ('k') | test/cctest/test-disasm-x64.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Rrdistribution and use in source and binary forms, with or without 2 // Rrdistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Rrdistributions of source code must retain the above copyright 6 // * Rrdistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Rrdistributions in binary form must reproduce the above 8 // * Rrdistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after
50 &actual_size, 50 &actual_size,
51 true)); 51 true));
52 CHECK(buffer); 52 CHECK(buffer);
53 HandleScope handles(isolate); 53 HandleScope handles(isolate);
54 MacroAssembler assm(isolate, buffer, static_cast<int>(actual_size)); 54 MacroAssembler assm(isolate, buffer, static_cast<int>(actual_size));
55 int offset = 55 int offset =
56 source_reg.is(rsp) ? 0 : (HeapNumber::kValueOffset - kSmiTagSize); 56 source_reg.is(rsp) ? 0 : (HeapNumber::kValueOffset - kSmiTagSize);
57 DoubleToIStub stub(source_reg, destination_reg, offset, true); 57 DoubleToIStub stub(source_reg, destination_reg, offset, true);
58 byte* start = stub.GetCode(isolate)->instruction_start(); 58 byte* start = stub.GetCode(isolate)->instruction_start();
59 59
60 __ push(rbx); 60 __ pushq(rbx);
61 __ push(rcx); 61 __ pushq(rcx);
62 __ push(rdx); 62 __ pushq(rdx);
63 __ push(rsi); 63 __ pushq(rsi);
64 __ push(rdi); 64 __ pushq(rdi);
65 65
66 if (!source_reg.is(rsp)) { 66 if (!source_reg.is(rsp)) {
67 // The argument we pass to the stub is not a heap number, but instead 67 // The argument we pass to the stub is not a heap number, but instead
68 // stack-allocated and offset-wise made to look like a heap number for 68 // stack-allocated and offset-wise made to look like a heap number for
69 // the stub. We create that "heap number" after pushing all allocatable 69 // the stub. We create that "heap number" after pushing all allocatable
70 // registers. 70 // registers.
71 int double_argument_slot = 71 int double_argument_slot =
72 (Register::NumAllocatableRegisters() - 1) * kPointerSize + kDoubleSize; 72 (Register::NumAllocatableRegisters() - 1) * kPointerSize + kDoubleSize;
73 __ lea(source_reg, MemOperand(rsp, -double_argument_slot - offset)); 73 __ lea(source_reg, MemOperand(rsp, -double_argument_slot - offset));
74 } 74 }
75 75
76 // Save registers make sure they don't get clobbered. 76 // Save registers make sure they don't get clobbered.
77 int reg_num = 0; 77 int reg_num = 0;
78 for (;reg_num < Register::NumAllocatableRegisters(); ++reg_num) { 78 for (;reg_num < Register::NumAllocatableRegisters(); ++reg_num) {
79 Register reg = Register::FromAllocationIndex(reg_num); 79 Register reg = Register::FromAllocationIndex(reg_num);
80 if (!reg.is(rsp) && !reg.is(rbp) && !reg.is(destination_reg)) { 80 if (!reg.is(rsp) && !reg.is(rbp) && !reg.is(destination_reg)) {
81 __ push(reg); 81 __ pushq(reg);
82 } 82 }
83 } 83 }
84 84
85 // Put the double argument into the designated double argument slot. 85 // Put the double argument into the designated double argument slot.
86 __ subq(rsp, Immediate(kDoubleSize)); 86 __ subq(rsp, Immediate(kDoubleSize));
87 __ movsd(MemOperand(rsp, 0), xmm0); 87 __ movsd(MemOperand(rsp, 0), xmm0);
88 88
89 // Call through to the actual stub 89 // Call through to the actual stub
90 __ Call(start, RelocInfo::EXTERNAL_REFERENCE); 90 __ Call(start, RelocInfo::EXTERNAL_REFERENCE);
91 91
92 __ addq(rsp, Immediate(kDoubleSize)); 92 __ addq(rsp, Immediate(kDoubleSize));
93 93
94 // Make sure no registers have been unexpectedly clobbered 94 // Make sure no registers have been unexpectedly clobbered
95 for (--reg_num; reg_num >= 0; --reg_num) { 95 for (--reg_num; reg_num >= 0; --reg_num) {
96 Register reg = Register::FromAllocationIndex(reg_num); 96 Register reg = Register::FromAllocationIndex(reg_num);
97 if (!reg.is(rsp) && !reg.is(rbp) && !reg.is(destination_reg)) { 97 if (!reg.is(rsp) && !reg.is(rbp) && !reg.is(destination_reg)) {
98 __ cmpq(reg, MemOperand(rsp, 0)); 98 __ cmpq(reg, MemOperand(rsp, 0));
99 __ Assert(equal, kRegisterWasClobbered); 99 __ Assert(equal, kRegisterWasClobbered);
100 __ addq(rsp, Immediate(kPointerSize)); 100 __ addq(rsp, Immediate(kPointerSize));
101 } 101 }
102 } 102 }
103 103
104 __ movq(rax, destination_reg); 104 __ movq(rax, destination_reg);
105 105
106 __ pop(rdi); 106 __ popq(rdi);
107 __ pop(rsi); 107 __ popq(rsi);
108 __ pop(rdx); 108 __ popq(rdx);
109 __ pop(rcx); 109 __ popq(rcx);
110 __ pop(rbx); 110 __ popq(rbx);
111 111
112 __ ret(0); 112 __ ret(0);
113 113
114 CodeDesc desc; 114 CodeDesc desc;
115 assm.GetCode(&desc); 115 assm.GetCode(&desc);
116 return reinterpret_cast<ConvertDToIFunc>( 116 return reinterpret_cast<ConvertDToIFunc>(
117 reinterpret_cast<intptr_t>(buffer)); 117 reinterpret_cast<intptr_t>(buffer));
118 } 118 }
119 119
120 #undef __ 120 #undef __
(...skipping 22 matching lines...) Expand all
143 143
144 for (size_t s = 0; s < sizeof(source_registers) / sizeof(Register); s++) { 144 for (size_t s = 0; s < sizeof(source_registers) / sizeof(Register); s++) {
145 for (size_t d = 0; d < sizeof(dest_registers) / sizeof(Register); d++) { 145 for (size_t d = 0; d < sizeof(dest_registers) / sizeof(Register); d++) {
146 RunAllTruncationTests( 146 RunAllTruncationTests(
147 MakeConvertDToIFuncTrampoline(isolate, 147 MakeConvertDToIFuncTrampoline(isolate,
148 source_registers[s], 148 source_registers[s],
149 dest_registers[d])); 149 dest_registers[d]));
150 } 150 }
151 } 151 }
152 } 152 }
OLDNEW
« no previous file with comments | « test/cctest/test-assembler-x64.cc ('k') | test/cctest/test-disasm-x64.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698