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MMX fixes :

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- Initialise x87 tags correctly in recompiler
- EMMS/FEMMS now respect cr0 TS bit
- FRSTOR now doesn't force all non-uint64 tags to valid
Fixes Heaven 7 with AudioPCI
This commit is contained in:
SarahW 2019-05-18 14:05:30 +01:00
commit cb6422b324
7 changed files with 12 additions and 10 deletions
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4
src/codegen_backend_x86_uops.c
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@ -827,8 +827,8 @@ static int codegen_MMX_ENTER(codeblock_t *block, uop_t *uop)
host_x86_CALL(block, x86_int);
host_x86_JMP(block, codegen_exit_rout);
*branch_offset = (uint32_t)((uintptr_t)&block_write_data[block_pos] - (uintptr_t)branch_offset) - 4;
host_x86_MOV32_ABS_IMM(block, &cpu_state.tag[0], 0);
host_x86_MOV32_ABS_IMM(block, &cpu_state.tag[4], 0);
host_x86_MOV32_ABS_IMM(block, &cpu_state.tag[0], 0x01010101);
host_x86_MOV32_ABS_IMM(block, &cpu_state.tag[4], 0x01010101);
host_x86_MOV32_ABS_IMM(block, &cpu_state.TOP, 0);
host_x86_MOV8_ABS_IMM(block, &cpu_state.ismmx, 1);