diff options
Diffstat (limited to 'riscv/insns/grevi.h')
| -rw-r--r-- | riscv/insns/grevi.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/riscv/insns/grevi.h b/riscv/insns/grevi.h index c37f59b..a274cdd 100644 --- a/riscv/insns/grevi.h +++ b/riscv/insns/grevi.h @@ -2,9 +2,7 @@ // Zbkb contains rev8 and brev8 (a.k.a. rev.b) but not general grevi int shamt = SHAMT; require(((shamt == xlen - 8) && (p->extension_enabled(EXT_ZBB) || p->extension_enabled(EXT_ZBKB))) //rev8 - || ((shamt == 7) && p->extension_enabled(EXT_ZBKB)) // rev8.b - || ((shamt == 8) && p->extension_enabled(EXT_ZPN)) // rev8.h - || ((shamt == xlen - 1) && p->extension_enabled(EXT_ZPN))); + || ((shamt == 7) && p->extension_enabled(EXT_ZBKB))); // rev8.b require(shamt < xlen); reg_t x = RS1; if (shamt & 1) x = ((x & 0x5555555555555555LL) << 1) | ((x & 0xAAAAAAAAAAAAAAAALL) >> 1); |