piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-23 14:19:46 -06:00
Code Issues Packages Projects Releases Wiki Activity

[AArch64] Implement {U, S}QXTN{,2}

Browse Source 
Also split out XTN to XTN and XTN2.
This commit is contained in:
Ryan Houdek
2015-06-13 23:16:17 -05:00
parent c981f6407e
commit 5dc148159f
2 changed files with 26 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
Source/Core/Common/Arm64Emitter.cpp
View File

@ -3131,10 +3131,29 @@ void ARM64FloatEmitter::UCVTF(u8 size, ARM64Reg Rd, ARM64Reg Rn, int scale)
int imm = size * 2 - scale;
EmitShiftImm(IsQuad(Rd), 1, imm >> 3, imm & 7, 0x1C, Rd, Rn);
}
void ARM64FloatEmitter::SQXTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(false, 0, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::SQXTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(true, 0, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::UQXTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(false, 1, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::UQXTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(true, 1, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::XTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(IsQuad(Rd), 0, dest_size >> 4, 0x12, Rd, Rn);
Emit2RegMisc(false, 0, dest_size >> 4, 0b10010, Rd, Rn);
}
void ARM64FloatEmitter::XTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(true, 0, dest_size >> 4, 0b10010, Rd, Rn);
}
// Move