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Group E exponent changed from a static value (-240) to dynamic

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This commit is contained in:
tevador
2019-04-30 21:14:50 +02:00
parent be21ba767c
commit ca96270509
8 changed files with 56 additions and 46 deletions
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13
src/assembly_generator_x86.cpp
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@@ -35,9 +35,9 @@ namespace randomx {
static const char* regA[] = { "xmm8", "xmm9", "xmm10", "xmm11" };
static const char* tempRegx = "xmm12";
static const char* mantissaMask = "xmm13";
static const char* exponentMask = "xmm14";
static const char* scaleMask = "xmm15";
static const char* mantissaMaskReg = "xmm13";
static const char* exponentMaskReg = "xmm14";
static const char* scaleMaskReg = "xmm15";
static const char* regIc = "rbx";
static const char* regIc32 = "ebx";
static const char* regIc8 = "bl";
@@ -328,7 +328,6 @@ namespace randomx {
traceint(instr);
}
//4 uOPs
void AssemblyGeneratorX86::h_IMULH_R(Instruction& instr, int i) {
registerUsage[instr.dst].lastUsed = i;
asmCode << "\tmov rax, " << regR[instr.dst] << std::endl;
@@ -489,7 +488,7 @@ namespace randomx {
void AssemblyGeneratorX86::h_FSCAL_R(Instruction& instr, int i) {
instr.dst %= RegisterCountFlt;
asmCode << "\txorps " << regF[instr.dst] << ", " << scaleMask << std::endl;
asmCode << "\txorps " << regF[instr.dst] << ", " << scaleMaskReg << std::endl;
traceflt(instr);
}
@@ -504,8 +503,8 @@ namespace randomx {
instr.dst %= RegisterCountFlt;
genAddressReg(instr);
asmCode << "\tcvtdq2pd " << tempRegx << ", qword ptr [" << regScratchpadAddr << "+rax]" << std::endl;
asmCode << "\tandps " << tempRegx << ", " << mantissaMask << std::endl;
asmCode << "\torps " << tempRegx << ", " << exponentMask << std::endl;
asmCode << "\tandps " << tempRegx << ", " << mantissaMaskReg << std::endl;
asmCode << "\torps " << tempRegx << ", " << exponentMaskReg << std::endl;
asmCode << "\tdivpd " << regE[instr.dst] << ", " << tempRegx << std::endl;
traceflt(instr);
}