Mercurial > repos > blastem
view backend_x86.c @ 572:0f32f52fc98e
Make some small changes in trans so that it is more likely to produce the same output as mustrans when given misbehaving programs. Add lea to testcases.txt. Improve the output of comparetest.py so that known issues can easily be separated from new ones.
author | Michael Pavone <pavone@retrodev.com> |
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date | Mon, 03 Mar 2014 21:08:43 -0800 |
parents | 8e395210f50f |
children | 2dde38c1744f |
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#include "backend.h" #include "gen_x86.h" void cycles(cpu_options *opts, uint32_t num) { add_ir(&opts->code, num, opts->cycles, SZ_D); } void check_cycles_int(cpu_options *opts, uint32_t address) { code_info *code = &opts->code; cmp_rr(code, opts->cycles, opts->limit, SZ_D); code_ptr jmp_off = code->cur+1; jcc(code, CC_NC, jmp_off+1); mov_ir(code, address, opts->scratch1, SZ_D); call(code, opts->handle_cycle_limit_int); *jmp_off = code->cur - (jmp_off+1); } void check_cycles(cpu_options * opts) { code_info *code = &opts->code; cmp_rr(code, opts->cycles, opts->limit, SZ_D); check_alloc_code(code, MAX_INST_LEN*2); code_ptr jmp_off = code->cur+1; jcc(code, CC_NC, jmp_off+1); call(code, opts->handle_cycle_limit); *jmp_off = code->cur - (jmp_off+1); }