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Implementation of movntpd & movntps instructions.

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David Bullado 2018-09-18 14:52:32 +02:00 • committed by Fabian
commit cd76fa7fff
1 changed files with 21 additions and 1 deletions
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22
src/instructions.js
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@ -2101,7 +2101,27 @@ t[0x2A] = cpu => {
float32[1] = data[1] ;
cpu.write_xmm64(res32[0], res32[1]);
};
t[0x2B] = cpu => { cpu.unimplemented_sse(); };
t[0x2B] = cpu => {
cpu.task_switch_test_mmx();
cpu.read_modrm_byte();
if((cpu.prefixes & (PREFIX_MASK_REP | PREFIX_MASK_OPSIZE)) === PREFIX_66)
{
// movntpd m128, xmm
let data = cpu.read_xmm128s();
dbg_assert(cpu.modrm_byte < 0xC0);
let addr = cpu.modrm_resolve(cpu.modrm_byte);
cpu.safe_write128(addr, data[0], data[1], data[2], data[3]);
}
else
{
// movntps m128, xmm
dbg_assert((cpu.prefixes & (PREFIX_MASK_REP | PREFIX_MASK_OPSIZE)) === 0);
let data = cpu.read_xmm128s();
dbg_assert(cpu.modrm_byte < 0xC0);
let addr = cpu.modrm_resolve(cpu.modrm_byte);
cpu.safe_write128(addr, data[0], data[1], data[2], data[3]);
}
};
t[0x2C] = cpu => { cpu.unimplemented_sse(); };
t[0x2D] = cpu => { cpu.unimplemented_sse(); };
t[0x2E] = cpu => { cpu.unimplemented_sse(); };