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Modified x86 register allocation

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This commit is contained in:
tevador
2018-12-16 13:43:18 +01:00
parent 6332831ec1
commit 4f276541d2
3 changed files with 343 additions and 452 deletions
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18
src/AssemblyGeneratorX86.cpp
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@@ -24,9 +24,9 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
static const char* regR[8] = { "rbx", "r9", "r10", "r11", "r12", "r13", "r14", "r15" };
static const char* regR32[8] = { "ebx", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" };
static const char* regF[8] = { "xmm8", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7" };
static const char* regR[8] = { "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" };
static const char* regR32[8] = { "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" };
static const char* regF[8] = { "xmm8", "xmm9", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7" };
void AssemblyGeneratorX86::generateProgram(const void* seed) {
asmCode.str(std::string()); //clear
@@ -149,8 +149,8 @@ namespace RandomX {
convertible_t bimm;
bimm.f64 = (double)instr.imm1;
asmCode << "\tmov rax, " << bimm.i64 << std::endl;
asmCode << "\tmovd xmm9, rax" << std::endl;
asmCode << "\t" << instrx86 << " xmm0, xmm9" << std::endl;
asmCode << "\tmovd xmm1, rax" << std::endl;
asmCode << "\t" << instrx86 << " xmm0, xmm1" << std::endl;
return;
}
}
@@ -262,12 +262,10 @@ namespace RandomX {
void AssemblyGeneratorX86::h_MULH_64(Instruction& instr, int i) {
gena(instr);
asmCode << "\tmov r8, rdx" << std::endl;
asmCode << "\tmov rcx, ";
genbr1(instr);
asmCode << "\tmul rcx" << std::endl;
asmCode << "\tmov rax, rdx" << std::endl;
asmCode << "\tmov rdx, r8" << std::endl;
gencr(instr);
}
@@ -295,18 +293,15 @@ namespace RandomX {
void AssemblyGeneratorX86::h_IMULH_64(Instruction& instr, int i) {
gena(instr);
asmCode << "\tmov r8, rdx" << std::endl;
asmCode << "\tmov rcx, ";
genbr1(instr);
asmCode << "\timul rcx" << std::endl;
asmCode << "\tmov rax, rdx" << std::endl;
asmCode << "\tmov rdx, r8" << std::endl;
gencr(instr);
}
void AssemblyGeneratorX86::h_DIV_64(Instruction& instr, int i) {
gena(instr);
asmCode << "\tmov r8, rdx" << std::endl;
if ((instr.locb & 7) >= 6) {
if (instr.imm1 == 0) {
asmCode << "\tmov ecx, 1" << std::endl;
@@ -323,13 +318,11 @@ namespace RandomX {
}
asmCode << "\txor edx, edx" << std::endl;
asmCode << "\tdiv rcx" << std::endl;
asmCode << "\tmov rdx, r8" << std::endl;
gencr(instr);
}
void AssemblyGeneratorX86::h_IDIV_64(Instruction& instr, int i) {
gena(instr);
asmCode << "\tmov r8, rdx" << std::endl;
asmCode << "\tmov edx, ";
genbr132(instr);
asmCode << "\tcmp edx, -1" << std::endl;
@@ -346,7 +339,6 @@ namespace RandomX {
asmCode << "\tcqo" << std::endl;
asmCode << "\tidiv rcx" << std::endl;
asmCode << "result_idiv_" << i << ":" << std::endl;
asmCode << "\tmov rdx, r8" << std::endl;
gencr(instr);
}