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* xmm spill * improve getting stack variables * improve symbol getting * update changelog
234 lines
7.9 KiB
C++
234 lines
7.9 KiB
C++
/*!
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* @file test_CodeTester.cpp
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* Tests for the CodeTester, a tool for testing the emitter by emitting code and running it
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* from within the test application.
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*
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* These tests should just make sure the basic functionality of CodeTester works, and that it
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* can generate prologues/epilogues, and execute them without crashing.
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*/
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#include "gtest/gtest.h"
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#include "goalc/emitter/CodeTester.h"
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#include "goalc/emitter/IGen.h"
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using namespace emitter;
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TEST(CodeTester, prologue) {
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CodeTester tester;
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tester.init_code_buffer(256);
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tester.emit_push_all_gprs();
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// check we generate the right code for pushing all gpr's
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EXPECT_EQ(tester.dump_to_hex_string(),
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"50 51 52 53 54 55 56 57 41 50 41 51 41 52 41 53 41 54 41 55 41 56 41 57");
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}
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TEST(CodeTester, epilogue) {
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CodeTester tester;
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tester.init_code_buffer(256);
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tester.emit_pop_all_gprs();
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// check we generate the right code for popping all gpr's
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EXPECT_EQ(tester.dump_to_hex_string(),
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"41 5f 41 5e 41 5d 41 5c 41 5b 41 5a 41 59 41 58 5f 5e 5d 5c 5b 5a 59 58");
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}
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TEST(CodeTester, execute_return) {
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CodeTester tester;
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tester.init_code_buffer(256);
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// test creating a function which simply returns
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tester.emit_return();
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// and execute it!
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tester.execute();
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}
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TEST(CodeTester, execute_push_pop_gprs) {
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CodeTester tester;
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tester.init_code_buffer(256);
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// test we can push/pop gprs without crashing.
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tester.emit_push_all_gprs();
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tester.emit_pop_all_gprs();
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tester.emit_return();
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tester.execute();
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}
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TEST(CodeTester, xmm_store_128) {
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CodeTester tester;
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tester.init_code_buffer(256);
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// movdqa [rbx], xmm3
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// movdqa [r14], xmm3
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// movdqa [rbx], xmm14
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// movdqa [r14], xmm13
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tester.emit(IGen::store128_gpr64_xmm128(RBX, XMM3));
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tester.emit(IGen::store128_gpr64_xmm128(R14, XMM3));
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tester.emit(IGen::store128_gpr64_xmm128(RBX, XMM14));
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tester.emit(IGen::store128_gpr64_xmm128(R14, XMM13));
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EXPECT_EQ(tester.dump_to_hex_string(),
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"66 0f 7f 1b 66 41 0f 7f 1e 66 44 0f 7f 33 66 45 0f 7f 2e");
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tester.clear();
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tester.emit(IGen::store128_gpr64_xmm128(RSP, XMM1));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 0f 7f 0c 24"); // requires SIB byte.
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tester.clear();
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tester.emit(IGen::store128_gpr64_xmm128(R12, XMM13));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 45 0f 7f 2c 24"); // requires SIB byte and REX byte
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tester.clear();
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tester.emit(IGen::store128_gpr64_xmm128(RBP, XMM1));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 0f 7f 4d 00");
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tester.clear();
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tester.emit(IGen::store128_gpr64_xmm128(RBP, XMM11));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 44 0f 7f 5d 00");
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tester.clear();
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tester.emit(IGen::store128_gpr64_xmm128(R13, XMM2));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 41 0f 7f 55 00");
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tester.clear();
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tester.emit(IGen::store128_gpr64_xmm128(R13, XMM12));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 45 0f 7f 65 00");
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// tester.emit(IGen::store128_gpr64_xmm128(RBX, XMM3));
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// tester.emit(IGen::store128_gpr64_xmm128(R14, XMM3));
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// tester.emit(IGen::store128_gpr64_xmm128(RBX, XMM14));
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// tester.emit(IGen::store128_gpr64_xmm128(R14, XMM13));
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// EXPECT_EQ(tester.dump_to_hex_string(),
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// "f3 0f 7f 1b f3 41 0f 7f 1e f3 44 0f 7f 33 f3 45 0f 7f 2e");
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//
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// tester.clear();
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// tester.emit(IGen::store128_gpr64_xmm128(RSP, XMM1));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 0f 7f 0c 24"); // requires SIB byte.
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//
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// tester.clear();
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// tester.emit(IGen::store128_gpr64_xmm128(R12, XMM13));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 45 0f 7f 2c 24"); // requires SIB byte and REX
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// byte
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//
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// tester.clear();
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// tester.emit(IGen::store128_gpr64_xmm128(RBP, XMM1));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 0f 7f 4d 00");
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//
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// tester.clear();
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// tester.emit(IGen::store128_gpr64_xmm128(RBP, XMM11));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 44 0f 7f 5d 00");
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//
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// tester.clear();
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// tester.emit(IGen::store128_gpr64_xmm128(R13, XMM2));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 41 0f 7f 55 00");
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//
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// tester.clear();
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// tester.emit(IGen::store128_gpr64_xmm128(R13, XMM12));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 45 0f 7f 65 00");
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}
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TEST(CodeTester, sub_gpr64_imm8) {
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CodeTester tester;
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tester.init_code_buffer(256);
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for (int i = 0; i < 16; i++) {
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tester.emit(IGen::sub_gpr64_imm8s(i, -1));
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}
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EXPECT_EQ(tester.dump_to_hex_string(true),
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"4883E8FF4883E9FF4883EAFF4883EBFF4883ECFF4883EDFF4883EEFF4883EFFF4983E8FF4983E9FF4983EA"
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"FF4983EBFF4983ECFF4983EDFF4983EEFF4983EFFF");
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}
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TEST(CodeTester, add_gpr64_imm8) {
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CodeTester tester;
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tester.init_code_buffer(256);
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for (int i = 0; i < 16; i++) {
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tester.emit(IGen::add_gpr64_imm8s(i, -1));
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}
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EXPECT_EQ(tester.dump_to_hex_string(true),
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"4883C0FF4883C1FF4883C2FF4883C3FF4883C4FF4883C5FF4883C6FF4883C7FF4983C0FF4983C1FF4983C2"
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"FF4983C3FF4983C4FF4983C5FF4983C6FF4983C7FF");
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}
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TEST(CodeTester, xmm_load_128) {
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CodeTester tester;
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tester.init_code_buffer(256);
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// tester.emit(IGen::load128_xmm128_gpr64(XMM3, RBX));
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// tester.emit(IGen::load128_xmm128_gpr64(XMM3, R14));
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// tester.emit(IGen::load128_xmm128_gpr64(XMM14, RBX));
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// tester.emit(IGen::load128_xmm128_gpr64(XMM13, R14));
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// EXPECT_EQ(tester.dump_to_hex_string(),
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// "f3 0f 6f 1b f3 41 0f 6f 1e f3 44 0f 6f 33 f3 45 0f 6f 2e");
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//
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// tester.clear();
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// tester.emit(IGen::load128_xmm128_gpr64(XMM1, RSP));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 0f 6f 0c 24"); // requires SIB byte.
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//
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// tester.clear();
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// tester.emit(IGen::load128_xmm128_gpr64(XMM13, R12));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 45 0f 6f 2c 24"); // requires SIB byte and REX
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// byte
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//
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// tester.clear();
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// tester.emit(IGen::load128_xmm128_gpr64(XMM1, RBP));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 0f 6f 4d 00");
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//
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// tester.clear();
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// tester.emit(IGen::load128_xmm128_gpr64(XMM11, RBP));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 44 0f 6f 5d 00");
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//
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// tester.clear();
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// tester.emit(IGen::load128_xmm128_gpr64(XMM2, R13));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 41 0f 6f 55 00");
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//
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// tester.clear();
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// tester.emit(IGen::load128_xmm128_gpr64(XMM12, R13));
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// EXPECT_EQ(tester.dump_to_hex_string(), "f3 45 0f 6f 65 00");
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tester.emit(IGen::load128_xmm128_gpr64(XMM3, RBX));
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tester.emit(IGen::load128_xmm128_gpr64(XMM3, R14));
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tester.emit(IGen::load128_xmm128_gpr64(XMM14, RBX));
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tester.emit(IGen::load128_xmm128_gpr64(XMM13, R14));
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EXPECT_EQ(tester.dump_to_hex_string(),
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"66 0f 6f 1b 66 41 0f 6f 1e 66 44 0f 6f 33 66 45 0f 6f 2e");
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tester.clear();
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tester.emit(IGen::load128_xmm128_gpr64(XMM1, RSP));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 0f 6f 0c 24"); // requires SIB byte.
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tester.clear();
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tester.emit(IGen::load128_xmm128_gpr64(XMM13, R12));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 45 0f 6f 2c 24"); // requires SIB byte and REX byte
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tester.clear();
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tester.emit(IGen::load128_xmm128_gpr64(XMM1, RBP));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 0f 6f 4d 00");
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tester.clear();
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tester.emit(IGen::load128_xmm128_gpr64(XMM11, RBP));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 44 0f 6f 5d 00");
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tester.clear();
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tester.emit(IGen::load128_xmm128_gpr64(XMM2, R13));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 41 0f 6f 55 00");
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tester.clear();
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tester.emit(IGen::load128_xmm128_gpr64(XMM12, R13));
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EXPECT_EQ(tester.dump_to_hex_string(), "66 45 0f 6f 65 00");
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}
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TEST(CodeTester, push_pop_xmms) {
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CodeTester tester;
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tester.init_code_buffer(512);
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tester.emit_push_all_xmms();
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tester.emit_pop_all_xmms();
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tester.emit_return();
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tester.execute();
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}
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TEST(CodeTester, push_pop_all_the_things) {
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CodeTester tester;
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tester.init_code_buffer(512);
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tester.emit_push_all_xmms();
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tester.emit_push_all_gprs();
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// ...
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tester.emit_pop_all_gprs();
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tester.emit_pop_all_xmms();
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tester.emit_return();
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tester.execute();
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}
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