ethonion10/v86
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

sse: Implement 0FE6/CVTPD2DQ/CVTTPD2DQ/CVTDQ2PD (#57)

Browse source
This commit is contained in:
Fabian 2018-08-28 12:45:37 -05:00
parent 3ea0089878
commit 8ab707dbc2
2 changed files with 65 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gen/x86_table.js
View file

@ -767,9 +767,9 @@ const encodings = [
{ sse: 1, opcode: 0x0FE5, e: 1 },
{ sse: 1, opcode: 0x660FE5, e: 1 },
{ sse: 1, opcode: 0x660FE6, e: 1, skip: 1, },
{ sse: 1, opcode: 0xF20FE6, e: 1, skip: 1, },
{ sse: 1, opcode: 0xF30FE6, e: 1, skip: 1, },
{ sse: 1, opcode: 0x660FE6, e: 1 },
{ sse: 1, opcode: 0xF20FE6, e: 1 },
{ sse: 1, opcode: 0xF30FE6, e: 1 },
{ sse: 1, opcode: 0x0FE6, e: 1, block_boundary: 1, }, // ud
{ sse: 1, opcode: 0x0FE7, e: 1, reg_ud: 1 },
{ sse: 1, opcode: 0x660FE7, e: 1, reg_ud: 1, },

68
src/rust/cpu2/instructions_0f.rs
View file

@ -4883,22 +4883,78 @@ pub unsafe fn instr_660FE5_reg(mut r1: i32, mut r2: i32) -> () {
pub unsafe fn instr_660FE5_mem(mut addr: i32, mut r: i32) -> () {
instr_660FE5(return_on_pagefault!(safe_read128s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_0FE6_mem(mut addr: i32, mut r: i32) -> () { trigger_ud(); }
#[no_mangle]
pub unsafe fn instr_0FE6_reg(mut r1: i32, mut r2: i32) -> () { trigger_ud(); }
#[no_mangle]
pub unsafe fn instr_660FE6_mem(mut addr: i32, mut r: i32) -> () { unimplemented_sse(); }
pub unsafe fn instr_660FE6(mut source: reg128, mut r: i32) -> () {
// cvttpd2dq xmm1, xmm2/m128
let mut result = reg128 {
i32_0: [
sse_convert_f64_to_i32(source.f64_0[0].trunc()),
sse_convert_f64_to_i32(source.f64_0[1].trunc()),
0,
0,
],
};
write_xmm_reg128(r, result);
}
#[no_mangle]
pub unsafe fn instr_660FE6_reg(mut r1: i32, mut r2: i32) -> () { unimplemented_sse(); }
pub unsafe fn instr_660FE6_mem(mut addr: i32, mut r: i32) -> () {
instr_660FE6(return_on_pagefault!(safe_read128s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_F20FE6_mem(mut addr: i32, mut r: i32) -> () { unimplemented_sse(); }
pub unsafe fn instr_660FE6_reg(mut r1: i32, mut r2: i32) -> () {
instr_660FE6(read_xmm128s(r1), r2);
}
#[no_mangle]
pub unsafe fn instr_F20FE6_reg(mut r1: i32, mut r2: i32) -> () { unimplemented_sse(); }
pub unsafe fn instr_F20FE6(mut source: reg128, mut r: i32) -> () {
// cvtpd2dq xmm1, xmm2/m128
let mut result = reg128 {
i32_0: [
// XXX: Precision exception
sse_convert_f64_to_i32(source.f64_0[0].round()),
sse_convert_f64_to_i32(source.f64_0[1].round()),
0,
0,
],
};
write_xmm_reg128(r, result);
}
#[no_mangle]
pub unsafe fn instr_F30FE6_mem(mut addr: i32, mut r: i32) -> () { unimplemented_sse(); }
pub unsafe fn instr_F20FE6_mem(mut addr: i32, mut r: i32) -> () {
instr_F20FE6(return_on_pagefault!(safe_read128s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_F30FE6_reg(mut r1: i32, mut r2: i32) -> () { unimplemented_sse(); }
pub unsafe fn instr_F20FE6_reg(mut r1: i32, mut r2: i32) -> () {
instr_F20FE6(read_xmm128s(r1), r2);
}
#[no_mangle]
pub unsafe fn instr_F30FE6(mut source: reg64, mut r: i32) -> () {
// cvtdq2pd xmm1, xmm2/m64
let mut result: reg128 = reg128 {
f64_0: [
// Note: Conversion never fails (i32 fits into f64)
source.i32_0[0] as f64,
source.i32_0[1] as f64,
],
};
write_xmm_reg128(r, result);
}
#[no_mangle]
pub unsafe fn instr_F30FE6_mem(mut addr: i32, mut r: i32) -> () {
instr_F30FE6(return_on_pagefault!(safe_read64s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_F30FE6_reg(mut r1: i32, mut r2: i32) -> () {
instr_F30FE6(read_xmm64s(r1), r2);
}
#[no_mangle]
pub unsafe fn instr_0FE7_mem(mut addr: i32, mut r: i32) -> () {
c_comment!(("movntq m64, mm"));