Revision 390efc54 target-cris/translate.c
| b/target-cris/translate.c | ||
|---|---|---|
| 318 | 318 |
|
| 319 | 319 |
/* y = -(x >> 16) */ |
| 320 | 320 |
tcg_gen_shri_i32(y, x, 16); |
| 321 |
tcg_gen_sub_i32(y, tcg_const_i32(0), y);
|
|
| 321 |
tcg_gen_neg_i32(y, y);
|
|
| 322 | 322 |
|
| 323 | 323 |
/* m = (y >> 16) & 16 */ |
| 324 | 324 |
tcg_gen_sari_i32(m, y, 16); |
| ... | ... | |
| 753 | 753 |
t_gen_add_flag(cpu_T[0], 8); /* R_FLAG. */ |
| 754 | 754 |
break; |
| 755 | 755 |
case CC_OP_SUB: |
| 756 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]);
|
|
| 756 |
tcg_gen_neg_tl(cpu_T[1], cpu_T[1]);
|
|
| 757 | 757 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 758 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]);
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|
| 758 |
tcg_gen_neg_tl(cpu_T[1], cpu_T[1]);
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|
| 759 | 759 |
/* CRIS flag evaluation needs ~src. */ |
| 760 | 760 |
tcg_gen_xori_tl(cpu_T[1], cpu_T[1], -1); |
| 761 | 761 |
|
| ... | ... | |
| 784 | 784 |
t_gen_asr(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 785 | 785 |
break; |
| 786 | 786 |
case CC_OP_NEG: |
| 787 |
/* Hopefully the TCG backend recognizes this pattern |
|
| 788 |
and makes a real neg out of it. */ |
|
| 789 |
tcg_gen_sub_tl(cpu_T[0], tcg_const_tl(0), cpu_T[1]); |
|
| 787 |
tcg_gen_neg_tl(cpu_T[0], cpu_T[1]); |
|
| 790 | 788 |
/* Extended arithmetics. */ |
| 791 | 789 |
t_gen_subx_carry(cpu_T[0]); |
| 792 | 790 |
break; |
| ... | ... | |
| 829 | 827 |
} |
| 830 | 828 |
break; |
| 831 | 829 |
case CC_OP_CMP: |
| 832 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]);
|
|
| 830 |
tcg_gen_neg_tl(cpu_T[1], cpu_T[1]);
|
|
| 833 | 831 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 834 | 832 |
/* CRIS flag evaluation needs ~src. */ |
| 835 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]);
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|
| 833 |
tcg_gen_neg_tl(cpu_T[1], cpu_T[1]);
|
|
| 836 | 834 |
/* CRIS flag evaluation needs ~src. */ |
| 837 | 835 |
tcg_gen_xori_tl(cpu_T[1], cpu_T[1], -1); |
| 838 | 836 |
|
| ... | ... | |
| 1642 | 1640 |
/* TODO: consider a branch free approach. */ |
| 1643 | 1641 |
l1 = gen_new_label(); |
| 1644 | 1642 |
tcg_gen_brcond_tl(TCG_COND_GE, cpu_T[1], tcg_const_tl(0), l1); |
| 1645 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]);
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|
| 1643 |
tcg_gen_neg_tl(cpu_T[1], cpu_T[1]);
|
|
| 1646 | 1644 |
gen_set_label(l1); |
| 1647 | 1645 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, 4); |
| 1648 | 1646 |
return 2; |
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