diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-02-02 17:01:57 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-06-19 11:08:00 -0700 |
| commit | 5255f48c1c8c39be8ad95ef7ec0da0557924c806 (patch) | |
| tree | b3675b9011280f77d22b4b5b26dfa48b663363a5 /tcg/tci.c | |
| parent | 0f10d7c5b0f16b73b47165196a0b366e011c94be (diff) | |
| download | qemu-5255f48c1c8c39be8ad95ef7ec0da0557924c806.zip qemu-5255f48c1c8c39be8ad95ef7ec0da0557924c806.tar.gz qemu-5255f48c1c8c39be8ad95ef7ec0da0557924c806.tar.bz2 | |
tcg/tci: Implement clz, ctz, ctpop
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/tci.c')
| -rw-r--r-- | tcg/tci.c | 44 |
1 files changed, 44 insertions, 0 deletions
@@ -589,6 +589,26 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, tci_args_rrr(insn, &r0, &r1, &r2); regs[r0] = (uint32_t)regs[r1] % (uint32_t)regs[r2]; break; +#if TCG_TARGET_HAS_clz_i32 + case INDEX_op_clz_i32: + tci_args_rrr(insn, &r0, &r1, &r2); + tmp32 = regs[r1]; + regs[r0] = tmp32 ? clz32(tmp32) : regs[r2]; + break; +#endif +#if TCG_TARGET_HAS_ctz_i32 + case INDEX_op_ctz_i32: + tci_args_rrr(insn, &r0, &r1, &r2); + tmp32 = regs[r1]; + regs[r0] = tmp32 ? ctz32(tmp32) : regs[r2]; + break; +#endif +#if TCG_TARGET_HAS_ctpop_i32 + case INDEX_op_ctpop_i32: + tci_args_rr(insn, &r0, &r1); + regs[r0] = ctpop32(regs[r1]); + break; +#endif /* Shift/rotate operations (32 bit). */ @@ -741,6 +761,24 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, tci_args_rrr(insn, &r0, &r1, &r2); regs[r0] = (uint64_t)regs[r1] % (uint64_t)regs[r2]; break; +#if TCG_TARGET_HAS_clz_i64 + case INDEX_op_clz_i64: + tci_args_rrr(insn, &r0, &r1, &r2); + regs[r0] = regs[r1] ? clz64(regs[r1]) : regs[r2]; + break; +#endif +#if TCG_TARGET_HAS_ctz_i64 + case INDEX_op_ctz_i64: + tci_args_rrr(insn, &r0, &r1, &r2); + regs[r0] = regs[r1] ? ctz64(regs[r1]) : regs[r2]; + break; +#endif +#if TCG_TARGET_HAS_ctpop_i64 + case INDEX_op_ctpop_i64: + tci_args_rr(insn, &r0, &r1); + regs[r0] = ctpop64(regs[r1]); + break; +#endif /* Shift/rotate operations (64 bit). */ @@ -1167,6 +1205,8 @@ int print_insn_tci(bfd_vma addr, disassemble_info *info) case INDEX_op_not_i64: case INDEX_op_neg_i32: case INDEX_op_neg_i64: + case INDEX_op_ctpop_i32: + case INDEX_op_ctpop_i64: tci_args_rr(insn, &r0, &r1); info->fprintf_func(info->stream, "%-12s %s, %s", op_name, str_r(r0), str_r(r1)); @@ -1212,6 +1252,10 @@ int print_insn_tci(bfd_vma addr, disassemble_info *info) case INDEX_op_rotl_i64: case INDEX_op_rotr_i32: case INDEX_op_rotr_i64: + case INDEX_op_clz_i32: + case INDEX_op_clz_i64: + case INDEX_op_ctz_i32: + case INDEX_op_ctz_i64: tci_args_rrr(insn, &r0, &r1, &r2); info->fprintf_func(info->stream, "%-12s %s, %s, %s", op_name, str_r(r0), str_r(r1), str_r(r2)); |