github-wownero/RandomX
1
0
Fork 0
mirror of https://github.com/wownero/RandomX.git synced 2026-10-18 16:01:40 +02:00
Code Issues Packages Projects Releases Wiki Activity

FPROUND - variable flag offset

Browse Source
This commit is contained in:
tevador
2019-01-11 10:52:12 +01:00
parent e487092f07
commit c02ee4291d
5 changed files with 20 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/JitCompilerX86.cpp
+9 -1
View File
@@ -574,7 +574,15 @@ namespace RandomX {
void JitCompilerX86::h_FPROUND(Instruction& instr, int i) {
genar(instr);
emit(0x00250de0c1c88b48); //mov rcx,rax; shl eax,0xd
emitByte(0x48);
emit(uint16_t(0xc88b)); //mov rcx,rax
int rotate = (13 - (instr.imm8 & 63)) & 63;
if (rotate != 0) {
emitByte(0x48);
emit(uint16_t(0xc0c1)); //rol rax
emitByte(rotate);
}
emit(uint16_t(0x0025));
emit(0x00009fc00d000060); //and eax,0x6000; or eax,0x9fc0
emit(0x2454ae0ff8244489); //ldmxcsr DWORD PTR [rsp-0x8]
emitByte(0xf8);