diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/dynarec/rv64/rv64_emitter.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/dynarec/rv64/rv64_emitter.h b/src/dynarec/rv64/rv64_emitter.h index 7f360040..5c3279ea 100644 --- a/src/dynarec/rv64/rv64_emitter.h +++ b/src/dynarec/rv64/rv64_emitter.h @@ -124,7 +124,15 @@ // rd = rs1 - rs2 #define SUBxw(rd, rs1, rs2) EMIT(R_type(0b0100000, rs2, rs1, 0b000, rd, rex.w ? 0b0110011 : 0b0111011)) // rd = rs1 - rs2 -#define SUBz(rd, rs1, rs2) EMIT(R_type(0b0100000, rs2, rs1, 0b000, rd, rex.is32bits ? 0b0111011 : 0b0110011)) +#define SUBz(rd, rs1, rs2) \ + do { \ + if (!rex.is32bits) { \ + SUB(rd, rs1, rs2); \ + } else { \ + SUB(rd, rs1, rs2); \ + ZEROUP(rd); \ + } \ + } while (0) // rd = rs1<<rs2 #define SLL(rd, rs1, rs2) EMIT(R_type(0b0000000, rs2, rs1, 0b001, rd, 0b0110011)) // rd = (rs1<rs2)?1:0 |