From a9b47673041280e083c19a7ad51eb300d6f605f2 Mon Sep 17 00:00:00 2001 From: cracyc Date: Mon, 3 Jul 2023 13:32:04 -0500 Subject: i386: tzcnt fall back to bsf for 386 and 486 too --- src/devices/cpu/i386/i386ops.h | 1 + 1 file changed, 1 insertion(+) diff --git a/src/devices/cpu/i386/i386ops.h b/src/devices/cpu/i386/i386ops.h index 79fc30fa5c4..42663eff9d3 100644 --- a/src/devices/cpu/i386/i386ops.h +++ b/src/devices/cpu/i386/i386ops.h @@ -521,6 +521,7 @@ const i386_device::X86_OPCODE i386_device::s_x86_opcode_table[] = { 0x7F, OP_3BYTEF3|OP_SSE, &i386_device::sse_movdqu_rm128_r128, &i386_device::sse_movdqu_rm128_r128, false}, { 0xAE, OP_3BYTE66|OP_SSE, &i386_device::i386_invalid, &i386_device::i386_invalid, false}, { 0xB8, OP_3BYTEF3|OP_PENTIUM, &i386_device::pentium_popcnt_r16_rm16, &i386_device::pentium_popcnt_r32_rm32, false}, + { 0xBC, OP_3BYTEF3|OP_I386, &i386_device::i386_bsf_r16_rm16, &i386_device::i386_bsf_r32_rm32, false}, { 0xBC, OP_3BYTEF3|OP_PENTIUM, &i386_device::pentium_tzcnt_r16_rm16, &i386_device::pentium_tzcnt_r32_rm32, false}, { 0xC2, OP_3BYTEF3|OP_SSE, &i386_device::sse_cmpss_r128_r128m32_i8, &i386_device::sse_cmpss_r128_r128m32_i8,false}, { 0xC7, OP_3BYTEF2|OP_SSE, &i386_device::i386_invalid, &i386_device::i386_invalid, false}, -- cgit v1.2.3