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jit: handle {66,}0f16

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This commit is contained in:
Fabian 2022-11-08 01:13:42 -06:00
parent 3e22884a4a
commit 1c8e1bbdfa
3 changed files with 20 additions and 10 deletions
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4
gen/x86_table.js
View file

@ -636,8 +636,8 @@ const encodings = [
{ sse: 1, opcode: 0x660F14, e: 1, custom: 1 },
{ sse: 1, opcode: 0x0F15, e: 1, custom: 1 },
{ sse: 1, opcode: 0x660F15, e: 1, custom: 1 },
{ sse: 1, opcode: 0x0F16, e: 1 },
{ sse: 1, opcode: 0x660F16, reg_ud: 1, e: 1 },
{ sse: 1, opcode: 0x0F16, e: 1, custom: 1 },
{ sse: 1, opcode: 0x660F16, reg_ud: 1, e: 1, custom: 1 },
{ sse: 1, opcode: 0xF30F16, skip: 1, e: 1, block_boundary: 1, }, // sse3
{ sse: 1, opcode: 0x0F17, reg_ud: 1, e: 1 },
{ sse: 1, opcode: 0x660F17, reg_ud: 1, e: 1 },

13
src/rust/cpu/instructions_0f.rs
View file

@ -642,24 +642,21 @@ pub unsafe fn instr_660F15_reg(r1: i32, r2: i32) { instr_660F15(read_xmm128s(r1)
pub unsafe fn instr_660F15_mem(addr: i32, r: i32) {
instr_660F15(return_on_pagefault!(safe_read128s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_0F16(source: u64, r: i32) { (*reg_xmm.offset(r as isize)).u64[1] = source; }
pub unsafe fn instr_0F16_mem(addr: i32, r: i32) {
// movhps xmm, m64
movh_m64_r128(addr, r);
instr_0F16(return_on_pagefault!(safe_read64s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_0F16_reg(r1: i32, r2: i32) {
// movlhps xmm, xmm
let data = read_xmm128s(r1);
let orig = read_xmm128s(r2);
write_xmm128_2(r2, orig.u64[0], data.u64[0]);
instr_0F16(read_xmm64s(r1), r2);
}
#[no_mangle]
pub unsafe fn instr_660F16_mem(addr: i32, r: i32) {
// movhpd xmm, m64
movh_m64_r128(addr, r);
instr_0F16(return_on_pagefault!(safe_read64s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_660F16_reg(_r1: i32, _r2: i32) { trigger_ud(); }
#[no_mangle]
pub unsafe fn instr_F30F16_reg(_r1: i32, _r2: i32) { unimplemented_sse(); }

13
src/rust/jit_instructions.rs
View file

@ -5634,6 +5634,19 @@ pub fn instr_660F15_reg_jit(ctx: &mut JitContext, r1: u32, r2: u32) {
sse_read128_xmm_xmm(ctx, "instr_660F15", r1, r2);
}
pub fn instr_0F16_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte, r: u32) {
sse_read64_xmm_mem(ctx, "instr_0F16", modrm_byte, r);
}
pub fn instr_0F16_reg_jit(ctx: &mut JitContext, r1: u32, r2: u32) {
sse_read64_xmm_xmm(ctx, "instr_0F16", r1, r2);
}
pub fn instr_660F16_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte, r: u32) {
sse_read64_xmm_mem(ctx, "instr_0F16", modrm_byte, r);
}
pub fn instr_660F16_reg_jit(ctx: &mut JitContext, _r1: u32, _r2: u32) {
codegen::gen_trigger_ud(ctx);
}
pub fn instr_0F28_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte, r: u32) {
let dest = global_pointers::get_reg_xmm_offset(r);
codegen::gen_modrm_resolve_safe_read128(ctx, modrm_byte, dest);