Revision f9cb5045 target-xtensa/translate.c
| b/target-xtensa/translate.c | ||
|---|---|---|
| 1778 | 1778 |
case 5: |
| 1779 | 1779 |
gen_window_check2(dc, RRR_R, RRR_T); |
| 1780 | 1780 |
{
|
| 1781 |
int shiftimm = RRR_S | (OP1 << 4);
|
|
| 1781 |
int shiftimm = RRR_S | ((OP1 & 1) << 4);
|
|
| 1782 | 1782 |
int maskimm = (1 << (OP2 + 1)) - 1; |
| 1783 | 1783 |
|
| 1784 | 1784 |
TCGv_i32 tmp = tcg_temp_new_i32(); |
| 1785 |
tcg_gen_shri_i32(tmp, cpu_R[RRR_T], shiftimm); |
|
| 1786 |
tcg_gen_andi_i32(cpu_R[RRR_R], tmp, maskimm); |
|
| 1785 |
|
|
| 1786 |
if (shiftimm) {
|
|
| 1787 |
tcg_gen_shri_i32(tmp, cpu_R[RRR_T], shiftimm); |
|
| 1788 |
} else {
|
|
| 1789 |
tcg_gen_mov_i32(tmp, cpu_R[RRR_T]); |
|
| 1790 |
} |
|
| 1791 |
|
|
| 1792 |
switch (maskimm) {
|
|
| 1793 |
case 0xff: |
|
| 1794 |
tcg_gen_ext8u_i32(cpu_R[RRR_R], tmp); |
|
| 1795 |
break; |
|
| 1796 |
|
|
| 1797 |
case 0xffff: |
|
| 1798 |
tcg_gen_ext16u_i32(cpu_R[RRR_R], tmp); |
|
| 1799 |
break; |
|
| 1800 |
|
|
| 1801 |
default: |
|
| 1802 |
tcg_gen_andi_i32(cpu_R[RRR_R], tmp, maskimm); |
|
| 1803 |
break; |
|
| 1804 |
} |
|
| 1787 | 1805 |
tcg_temp_free(tmp); |
| 1788 | 1806 |
} |
| 1789 | 1807 |
break; |
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