SwitchEmu/dynarmic
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/dynarmic.git synced 2026-02-18 22:42:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

IR: Implement VectorExtract, VectorExtractLower IR instructions

Browse Source
This commit is contained in:
MerryMage
2018-04-02 21:52:46 +01:00
parent 8bba37089e
commit 3472f371df
4 changed files with 46 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/backend_x64/emit_x64_vector.cpp
View File

@@ -487,6 +487,38 @@ void EmitX64::EmitVectorEqual128(EmitContext& ctx, IR::Inst* inst) {
}
}
void EmitX64::EmitVectorExtract(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
const Xbyak::Xmm xmm_b = ctx.reg_alloc.UseScratchXmm(args[1]);
const u8 position = args[2].GetImmediateU8();
ASSERT(position % 8 == 0);
code.psrldq(xmm_a, position / 8);
code.pslldq(xmm_b, (128 - position) / 8);
code.por(xmm_a, xmm_b);
ctx.reg_alloc.DefineValue(inst, xmm_a);
}
void EmitX64::EmitVectorExtractLower(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
const Xbyak::Xmm xmm_b = ctx.reg_alloc.UseScratchXmm(args[1]);
const u8 position = args[2].GetImmediateU8();
ASSERT(position % 8 == 0);
code.psrldq(xmm_a, position / 8);
code.pslldq(xmm_b, (64 - position) / 8);
code.por(xmm_a, xmm_b);
ctx.reg_alloc.DefineValue(inst, xmm_a);
}
void EmitX64::EmitVectorGreaterS8(EmitContext& ctx, IR::Inst* inst) {
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpgtb);
}