Revision 560f92cc tcg/x86_64/tcg-target.c
| b/tcg/x86_64/tcg-target.c | ||
|---|---|---|
| 450 | 450 |
TCGArg arg1, TCGArg arg2, int const_arg2, |
| 451 | 451 |
int label_index, int rexw) |
| 452 | 452 |
{
|
| 453 |
int c; |
|
| 454 | 453 |
if (const_arg2) {
|
| 455 | 454 |
if (arg2 == 0) {
|
| 456 |
/* use test */ |
|
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switch(cond) {
|
|
| 458 |
case TCG_COND_EQ: |
|
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c = JCC_JE; |
|
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break; |
|
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case TCG_COND_NE: |
|
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c = JCC_JNE; |
|
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break; |
|
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case TCG_COND_LT: |
|
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c = JCC_JS; |
|
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break; |
|
| 467 |
case TCG_COND_GE: |
|
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c = JCC_JNS; |
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| 469 |
break; |
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default: |
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goto do_cmpi; |
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} |
|
| 473 | 455 |
/* test r, r */ |
| 474 | 456 |
tcg_out_modrm(s, 0x85 | rexw, arg1, arg1); |
| 475 |
tcg_out_jxx(s, c, label_index); |
|
| 476 | 457 |
} else {
|
| 477 |
do_cmpi: |
|
| 478 | 458 |
if (rexw) |
| 479 | 459 |
tgen_arithi64(s, ARITH_CMP, arg1, arg2); |
| 480 | 460 |
else |
| 481 | 461 |
tgen_arithi32(s, ARITH_CMP, arg1, arg2); |
| 482 |
tcg_out_jxx(s, tcg_cond_to_jcc[cond], label_index); |
|
| 483 | 462 |
} |
| 484 | 463 |
} else {
|
| 485 | 464 |
tcg_out_modrm(s, 0x01 | (ARITH_CMP << 3) | rexw, arg2, arg1); |
| 486 |
tcg_out_jxx(s, tcg_cond_to_jcc[cond], label_index); |
|
| 487 | 465 |
} |
| 466 |
tcg_out_jxx(s, tcg_cond_to_jcc[cond], label_index); |
|
| 488 | 467 |
} |
| 489 | 468 |
|
| 490 | 469 |
#if defined(CONFIG_SOFTMMU) |
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