From 5255f48c1c8c39be8ad95ef7ec0da0557924c806 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 2 Feb 2021 17:01:57 -0800 Subject: tcg/tci: Implement clz, ctz, ctpop MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tested-by: Philippe Mathieu-Daudé Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/tci.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) (limited to 'tcg/tci.c') diff --git a/tcg/tci.c b/tcg/tci.c index 788f0235bc..adfca71c0f 100644 --- a/tcg/tci.c +++ b/tcg/tci.c @@ -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)); -- cgit v1.2.3