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sse: Implement 0FC6/shufp[sd] (#57)

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Fabian 2018-08-28 12:29:39 -05:00
parent 9e902eb1dc
commit cc507db69b
2 changed files with 45 additions and 2 deletions
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3
gen/x86_table.js
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@ -711,7 +711,8 @@ const encodings = [
{ sse: 1, opcode: 0x0FC5, e: 1, mem_ud: 1, imm8: 1 },
{ sse: 1, opcode: 0x660FC5, e: 1, mem_ud: 1, imm8: 1, },
{ sse: 1, opcode: 0x0FC6, skip: 1, },
{ sse: 1, opcode: 0x0FC6, e: 1, imm8: 1 },
{ sse: 1, opcode: 0x660FC6, e: 1, imm8: 1 },
{ sse: 1, opcode: 0x0FD0, skip: 1, }, // sse3

44
src/rust/cpu2/instructions_0f.rs
View file

@ -3816,8 +3816,50 @@ pub unsafe fn instr_660FC5_reg(mut r1: i32, mut r2: i32, mut imm8: i32) -> () {
let mut result: u32 = data.u16_0[index as usize] as u32;
write_reg32(r2, result as i32);
}
#[no_mangle]
pub unsafe fn instr_0FC6() -> () { unimplemented_sse(); }
pub unsafe fn instr_0FC6(mut source: reg128, mut r: i32, mut imm8: i32) -> () {
c_comment!(("shufps xmm, xmm/mem128"));
c_comment!(("XXX: Aligned access or #gp"));
let mut destination: reg128 = read_xmm128s(r);
write_xmm128(
r,
destination.u32_0[(imm8 & 3i32) as usize] as i32,
destination.u32_0[(imm8 >> 2i32 & 3i32) as usize] as i32,
source.u32_0[(imm8 >> 4i32 & 3i32) as usize] as i32,
source.u32_0[(imm8 >> 6i32 & 3i32) as usize] as i32,
);
}
#[no_mangle]
pub unsafe fn instr_0FC6_reg(mut r1: i32, mut r2: i32, mut imm: i32) -> () {
instr_0FC6(read_xmm128s(r1), r2, imm);
}
#[no_mangle]
pub unsafe fn instr_0FC6_mem(mut addr: i32, mut r: i32, mut imm: i32) -> () {
instr_0FC6(return_on_pagefault!(safe_read128s(addr)), r, imm);
}
#[no_mangle]
pub unsafe fn instr_660FC6(mut source: reg128, mut r: i32, mut imm8: i32) -> () {
c_comment!(("shufpd xmm, xmm/mem128"));
let mut destination: reg128 = read_xmm128s(r);
let mut result: reg128 = reg128 {
i64_0: [
destination.i64_0[imm8 as usize & 1],
source.i64_0[imm8 as usize >> 1 & 1],
],
};
write_xmm_reg128(r, result);
}
#[no_mangle]
pub unsafe fn instr_660FC6_reg(mut r1: i32, mut r2: i32, mut imm: i32) -> () {
instr_660FC6(read_xmm128s(r1), r2, imm);
}
#[no_mangle]
pub unsafe fn instr_660FC6_mem(mut addr: i32, mut r: i32, mut imm: i32) -> () {
instr_660FC6(return_on_pagefault!(safe_read128s(addr)), r, imm);
}
#[no_mangle]
pub unsafe fn instr_0FC7_1_reg(mut r: i32) -> () { trigger_ud(); }
#[no_mangle]