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jit 0F{74,75,76} (pcmpeqb, pcmpeqw, pcmpeqd)

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This commit is contained in:
Fabian 2021-04-04 16:27:26 -05:00
parent 44c606f5a6
commit c5ca3ca09e
3 changed files with 26 additions and 9 deletions
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6
gen/x86_table.js
View file

@ -789,11 +789,11 @@ const encodings = [
{ sse: 1, opcode: 0x660F73, e: 1, fixed_g: 6, imm8: 1, mem_ud: 1, custom: 1 },
{ sse: 1, opcode: 0x660F73, e: 1, fixed_g: 7, imm8: 1, mem_ud: 1, custom: 1 },
{ sse: 1, opcode: 0x0F74, e: 1, },
{ sse: 1, opcode: 0x0F74, e: 1, custom: 1 },
{ sse: 1, opcode: 0x660F74, e: 1, custom: 1 },
{ sse: 1, opcode: 0x0F75, e: 1, },
{ sse: 1, opcode: 0x0F75, e: 1, custom: 1 },
{ sse: 1, opcode: 0x660F75, e: 1, custom: 1 },
{ sse: 1, opcode: 0x0F76, e: 1, },
{ sse: 1, opcode: 0x0F76, e: 1, custom: 1 },
{ sse: 1, opcode: 0x660F76, e: 1, custom: 1 },
{ sse: 1, opcode: 0x0F77, skip: 1 }, // emms (skip as it breaks gdb printing of float registers)

10
src/rust/cpu/instructions_0f.rs
View file

@ -2891,6 +2891,8 @@ pub unsafe fn instr_660F73_7_reg(r: i32, imm8: i32) {
}
write_xmm_reg128(r, result);
}
#[no_mangle]
pub unsafe fn instr_0F74(source: u64, r: i32) {
// pcmpeqb mm, mm/m64
let destination: [u8; 8] = std::mem::transmute(read_mmx64s(r));
@ -2902,9 +2904,7 @@ pub unsafe fn instr_0F74(source: u64, r: i32) {
write_mmx_reg64(r, std::mem::transmute(result));
transition_fpu_to_mmx();
}
#[no_mangle]
pub unsafe fn instr_0F74_reg(r1: i32, r2: i32) { instr_0F74(read_mmx64s(r1), r2); }
#[no_mangle]
pub unsafe fn instr_0F74_mem(addr: i32, r: i32) {
instr_0F74(return_on_pagefault!(safe_read64s(addr)), r);
}
@ -2923,6 +2923,7 @@ pub unsafe fn instr_660F74_reg(r1: i32, r2: i32) { instr_660F74(read_xmm128s(r1)
pub unsafe fn instr_660F74_mem(addr: i32, r: i32) {
instr_660F74(return_on_pagefault!(safe_read128s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_0F75(source: u64, r: i32) {
// pcmpeqw mm, mm/m64
let destination: [i16; 4] = std::mem::transmute(read_mmx64s(r));
@ -2934,9 +2935,7 @@ pub unsafe fn instr_0F75(source: u64, r: i32) {
write_mmx_reg64(r, std::mem::transmute(result));
transition_fpu_to_mmx();
}
#[no_mangle]
pub unsafe fn instr_0F75_reg(r1: i32, r2: i32) { instr_0F75(read_mmx64s(r1), r2); }
#[no_mangle]
pub unsafe fn instr_0F75_mem(addr: i32, r: i32) {
instr_0F75(return_on_pagefault!(safe_read64s(addr)), r);
}
@ -2956,6 +2955,7 @@ pub unsafe fn instr_660F75_reg(r1: i32, r2: i32) { instr_660F75(read_xmm128s(r1)
pub unsafe fn instr_660F75_mem(addr: i32, r: i32) {
instr_660F75(return_on_pagefault!(safe_read128s(addr)), r);
}
#[no_mangle]
pub unsafe fn instr_0F76(source: u64, r: i32) {
// pcmpeqd mm, mm/m64
let destination: [i32; 2] = std::mem::transmute(read_mmx64s(r));
@ -2967,9 +2967,7 @@ pub unsafe fn instr_0F76(source: u64, r: i32) {
write_mmx_reg64(r, std::mem::transmute(result));
transition_fpu_to_mmx();
}
#[no_mangle]
pub unsafe fn instr_0F76_reg(r1: i32, r2: i32) { instr_0F76(read_mmx64s(r1), r2); }
#[no_mangle]
pub unsafe fn instr_0F76_mem(addr: i32, r: i32) {
instr_0F76(return_on_pagefault!(safe_read64s(addr)), r);
}

19
src/rust/jit_instructions.rs
View file

@ -5844,6 +5844,25 @@ pub fn instr_660F73_7_reg_jit(ctx: &mut JitContext, r: u32, imm8: u32) {
ctx.builder.call_fn2("instr_660F73_7_reg");
}
pub fn instr_0F74_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte, r: u32) {
mmx_read64_mm_mem(ctx, "instr_0F74", modrm_byte, r);
}
pub fn instr_0F74_reg_jit(ctx: &mut JitContext, r1: u32, r2: u32) {
mmx_read64_mm_mm(ctx, "instr_0F74", r1, r2);
}
pub fn instr_0F75_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte, r: u32) {
mmx_read64_mm_mem(ctx, "instr_0F75", modrm_byte, r);
}
pub fn instr_0F75_reg_jit(ctx: &mut JitContext, r1: u32, r2: u32) {
mmx_read64_mm_mm(ctx, "instr_0F75", r1, r2);
}
pub fn instr_0F76_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte, r: u32) {
mmx_read64_mm_mem(ctx, "instr_0F76", modrm_byte, r);
}
pub fn instr_0F76_reg_jit(ctx: &mut JitContext, r1: u32, r2: u32) {
mmx_read64_mm_mm(ctx, "instr_0F76", r1, r2);
}
pub fn instr_660F74_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte, r: u32) {
sse_read128_xmm_mem(ctx, "instr_660F74", modrm_byte, r);
}