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Add CMPXCHG8B to the K6 timing model.

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This commit is contained in:
SarahW 2019-01-19 18:06:14 +00:00
commit 9c595f4b9b
1 changed files with 3 additions and 1 deletions
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4
src/codegen_timing_k6.c
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@ -1204,7 +1204,7 @@ static const risc86_instruction_t *opcode_timings_0f[256] =
&vector_bsx_op, &vector_bsx_op, &load_alux_op, &load_alu_op, &vector_bsx_op, &vector_bsx_op, &load_alux_op, &load_alu_op,
/*c0*/ &vector_alux_store_op, &vector_alu_store_op, INVALID, INVALID, /*c0*/ &vector_alux_store_op, &vector_alu_store_op, INVALID, INVALID,
INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, &vector_cmpxchg_op,
&bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op,
&bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op, &bswap_op,
@ -2330,6 +2330,8 @@ void codegen_timing_k6_opcode(uint8_t opcode, uint32_t fetchdat, int op_32, uint
} }
} }
if (!ins_table[opcode])
fatal("!ins_table opcode=%02x last_prefix=%02x\n", opcode, last_prefix);
decode_instruction(ins_table[opcode], deps[opcode], fetchdat, op_32, bit8); decode_instruction(ins_table[opcode], deps[opcode], fetchdat, op_32, bit8);
codegen_block_cycles += (last_complete_timestamp - old_last_complete_timestamp); codegen_block_cycles += (last_complete_timestamp - old_last_complete_timestamp);
} }